tag:blogger.com,1999:blog-71191290845679153992024-03-14T00:52:54.688+07:00Elektronika DasarSaling Berbagi Ilmu PengetahuanHendrikhttp://www.blogger.com/profile/09784927816580092200noreply@blogger.comBlogger9125tag:blogger.com,1999:blog-7119129084567915399.post-41181572384929477712018-03-24T01:32:00.000+07:002018-03-24T01:32:08.248+07:00contoh soal di blog<style type="text/css">
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<span style="font-size: x-large;"><span style="font-family: "arial";">Tes Belajar TIK</span></span><br />
<b>Petunjuk: Jumlah poin untuk lanjut ke sesi berikut adalah 7 poin</b><br />
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Hendrikhttp://www.blogger.com/profile/09784927816580092200noreply@blogger.com0tag:blogger.com,1999:blog-7119129084567915399.post-68861327241112056322017-07-28T15:35:00.002+07:002017-07-28T15:35:38.404+07:00<h1 class="title" style="background: rgb(255, 255, 255); border: 0px; color: #9a1d0d; font-family: LeagueGothicRegular, Arial, sans-serif; font-size: 36px; font-weight: normal; letter-spacing: -1px; line-height: 1em; margin: 0px; outline: 0px; padding: 0px 0px 4px; text-transform: uppercase; vertical-align: baseline;">
PENGHITUNGAN SUBNETTING, SIAPA TAKUT?</h1>
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POSTED BY <a href="http://romisatriawahono.net/author/admin-2/" rel="author" style="background: transparent; border: 0px; color: #2c2c2c; margin: 0px; outline: 0px; padding: 0px; text-decoration-line: none; vertical-align: baseline;" title="Posts by Romi Satria Wahono">ROMI SATRIA WAHONO</a> ON 11 FEB, 2006 IN <a href="http://romisatriawahono.net/category/network-security/" rel="category tag" style="background: transparent; border: 0px; color: #2c2c2c; margin: 0px; outline: 0px; padding: 0px; text-decoration-line: none; vertical-align: baseline;">NETWORK SECURITY</a> | <a href="http://romisatriawahono.net/2006/02/11/memahami-penghitungan-subnetting-dengan-mudah/#comments" style="background: transparent; border: 0px; color: #2c2c2c; margin: 0px; outline: 0px; padding: 0px; text-decoration-line: none; vertical-align: baseline;">182 COMMENTS</a></div>
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<div align="justify" style="background: rgb(255, 255, 255); border: 0px; color: #2a1002; font-family: "Droid Sans", Arial, Verdana, sans-serif; font-size: 13px; line-height: 18px; outline: 0px; padding: 0px 0px 10px; vertical-align: baseline;">
<img align="right" alt="subnetrouter2.JPG" height="116" hspace="5" id="image116" src="https://romisatriawahono.net/wp-content/uploads/2006/02/subnetrouter2.JPG" style="background: transparent; border: 0px; height: auto; margin: 0px; max-width: 100%; outline: 0px; padding: 0px; vertical-align: baseline;" title="subnetrouter2.JPG" width="205" />Setelah anda membaca artikel <a href="http://romisatriawahono.net/?p=99" style="background: transparent; border: 0px; color: #cdaa6d; margin: 0px; outline: 0px; padding: 0px; text-decoration-line: none; vertical-align: baseline;" target="_blank">Konsep Subnetting, Siapa Takut?</a>dan memahami konsep Subnetting dengan baik. Kali ini saatnya anda mempelajari teknik penghitungan subnetting. Penghitungan subnetting bisa dilakukan dengan dua cara, cara binary yang relatif lambat dan cara khusus yang lebih cepat. Pada hakekatnya semua pertanyaan tentang subnetting akan berkisar di empat masalah: <strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Jumlah Subnet, Jumlah Host per Subnet, Blok Subnet, dan Alamat Host- Broadcast</strong>.<span id="more-115" style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;"></span></div>
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Penulisan IP address umumnya adalah dengan 192.168.1.2. Namun adakalanya ditulis dengan 192.168.1.2/24, apa ini artinya? Artinya bahwa IP address 192.168.1.2 dengan subnet mask 255.255.255.0. Lho kok bisa seperti itu? Ya, /24 diambil dari penghitungan bahwa 24 bit subnet mask diselubung dengan binari 1. Atau dengan kata lain, subnet masknya adalah: 11111111.11111111.11111111.00000000 (255.255.255.0). Konsep ini yang disebut dengan CIDR (Classless Inter-Domain Routing) yang diperkenalkan pertama kali tahun 1992 oleh IEFT.</div>
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Pertanyaan berikutnya adalah Subnet Mask berapa saja yang bisa digunakan untuk melakukan subnetting? Ini terjawab dengan tabel di bawah:</div>
<table border="0" style="background-color: white; border-collapse: collapse; border-spacing: 0px; color: #2a1002; font-family: "Droid Sans", Arial, Verdana, sans-serif; font-size: 13px; width: 410px;"><tbody>
<tr><th><table border="1" style="border-collapse: collapse; border-spacing: 0px;"><tbody>
<tr><td><strong style="background: transparent; border: 0px; color: #1c1c1c; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Subnet Mask</strong></td><td><strong style="background: transparent; border: 0px; color: #1c1c1c; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Nilai CIDR</strong></td></tr>
<tr><td>255.128.0.0</td><td>/9</td></tr>
<tr><td>255.192.0.0</td><td>/10</td></tr>
<tr><td>255.224.0.0</td><td>/11</td></tr>
<tr><td>255.240.0.0</td><td>/12</td></tr>
<tr><td>255.248.0.0</td><td>/13</td></tr>
<tr><td>255.252.0.0</td><td>/14</td></tr>
<tr><td>255.254.0.0</td><td>/15</td></tr>
<tr><td>255.255.0.0</td><td>/16</td></tr>
<tr><td>255.255.128.0</td><td>/17</td></tr>
<tr><td>255.255.192.0</td><td>/18</td></tr>
<tr><td>255.255.224.0</td><td>/19</td></tr>
</tbody></table>
</th><th><table border="1" style="border-collapse: collapse; border-spacing: 0px;"><tbody>
<tr><td><strong style="background: transparent; border: 0px; color: #1c1c1c; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Subnet Mask</strong></td><td><strong style="background: transparent; border: 0px; color: #1c1c1c; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Nilai CIDR</strong></td></tr>
<tr><td>255.255.240.0</td><td>/20</td></tr>
<tr><td>255.255.248.0</td><td>/21</td></tr>
<tr><td>255.255.252.0</td><td>/22</td></tr>
<tr><td>255.255.254.0</td><td>/23</td></tr>
<tr><td>255.255.255.0</td><td>/24</td></tr>
<tr><td>255.255.255.128</td><td>/25</td></tr>
<tr><td>255.255.255.192</td><td>/26</td></tr>
<tr><td>255.255.255.224</td><td>/27</td></tr>
<tr><td>255.255.255.240</td><td>/28</td></tr>
<tr><td>255.255.255.248</td><td>/29</td></tr>
<tr><td>255.255.255.252</td><td>/30</td></tr>
</tbody></table>
</th></tr>
</tbody></table>
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<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">SUBNETTING PADA IP ADDRESS CLASS C</strong></div>
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Ok, sekarang mari langsung latihan saja. Subnetting seperti apa yang terjadi dengan sebuah NETWORK ADDRESS <strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">192.168.1.0/26</strong> ?</div>
<div align="justify" style="background: rgb(255, 255, 255); border: 0px; color: #2a1002; font-family: "Droid Sans", Arial, Verdana, sans-serif; font-size: 13px; line-height: 18px; outline: 0px; padding: 0px 0px 10px; vertical-align: baseline;">
<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Analisa</strong>: 192.168.1.0 berarti kelas C dengan Subnet Mask /26 berarti 11111111.11111111.11111111.11000000 (255.255.255.192).</div>
<div style="background: rgb(255, 255, 255); border: 0px; color: #2a1002; font-family: "Droid Sans", Arial, Verdana, sans-serif; font-size: 13px; line-height: 18px; outline: 0px; padding: 0px 0px 10px; vertical-align: baseline;">
<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Penghitungan</strong>: Seperti sudah saya sebutkan sebelumnya semua pertanyaan tentang subnetting akan berpusat di 4 hal, jumlah subnet, jumlah host per subnet, blok subnet, alamat host dan broadcast yang valid. Jadi kita selesaikan dengan urutan seperti itu:</div>
<ol style="background: rgb(255, 255, 255); border: 0px; color: #2a1002; font-family: "Droid Sans", Arial, Verdana, sans-serif; font-size: 13px; list-style-image: initial; list-style-position: inside; margin: 10px 0px 10px 2px; outline: 0px; padding: 0px; vertical-align: baseline;">
<li style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;"><strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Jumlah Subnet</strong> = 2<span style="background: transparent; border: 0px; bottom: 0.8em; height: 0px; line-height: 1; margin: 0px; outline: 0px; padding: 0px; position: relative; vertical-align: baseline;">x</span>, dimana x adalah banyaknya binari 1 pada oktet terakhir subnet mask (2 oktet terakhir untuk kelas B, dan 3 oktet terakhir untuk kelas A). Jadi Jumlah Subnet adalah 2<span style="background: transparent; border: 0px; bottom: 0.8em; height: 0px; line-height: 1; margin: 0px; outline: 0px; padding: 0px; position: relative; vertical-align: baseline;">2</span> = 4 subnet</li>
<li style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;"><strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Jumlah Host per Subnet</strong> = 2<span style="background: transparent; border: 0px; bottom: 0.8em; height: 0px; line-height: 1; margin: 0px; outline: 0px; padding: 0px; position: relative; vertical-align: baseline;">y</span> – 2, dimana y adalah adalah kebalikan dari x yaitu banyaknya binari 0 pada oktet terakhir subnet. Jadi jumlah host per subnet adalah 2<span style="background: transparent; border: 0px; bottom: 0.8em; height: 0px; line-height: 1; margin: 0px; outline: 0px; padding: 0px; position: relative; vertical-align: baseline;">6</span> – 2 = 62 host</li>
<li style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;"><strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Blok Subnet</strong> = 256 – 192 (nilai oktet terakhir subnet mask) = 64. Subnet berikutnya adalah 64 + 64 = 128, dan 128+64=192. Jadi subnet lengkapnya adalah <strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">0, 64, 128, 192</strong>.</li>
<li style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Bagaimana dengan alamat <strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">host dan broadcast yang valid</strong>? Kita langsung buat tabelnya. Sebagai catatan, host pertama adalah 1 angka setelah subnet, dan broadcast adalah 1 angka sebelum subnet berikutnya.</li>
<table border="1" style="border-collapse: collapse; border-spacing: 0px; width: 420px;"><tbody>
<tr><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Subnet</strong></div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
192.168.1.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">0</strong></div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
192.168.1.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">64</strong></div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
192.168.1.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">128</strong></div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
192.168.1.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">192</strong></div>
</td></tr>
<tr><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Host Pertama</strong></div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
192.168.1.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">1</strong></div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
192.168.1.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">65</strong></div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
192.168.1.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">129</strong></div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
192.168.1.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">193</strong></div>
</td></tr>
<tr><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Host Terakhir</strong></div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
192.168.1.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">62</strong></div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
192.168.1.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">126</strong></div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
192.168.1.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">190</strong></div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
192.168.1.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">254</strong></div>
</td></tr>
<tr><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Broadcast</strong></div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
192.168.1.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">63</strong></div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
192.168.1.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">127</strong></div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
192.168.1.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">191</strong></div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
192.168.1.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">255</strong></div>
</td></tr>
</tbody></table>
</ol>
<div align="justify" style="background: rgb(255, 255, 255); border: 0px; color: #2a1002; font-family: "Droid Sans", Arial, Verdana, sans-serif; font-size: 13px; line-height: 18px; outline: 0px; padding: 0px 0px 10px; vertical-align: baseline;">
Kita sudah selesaikan subnetting untuk IP address Class C. Dan kita bisa melanjutkan lagi untuk subnet mask yang lain, dengan konsep dan teknik yang sama. Subnet mask yang bisa digunakan untuk subnetting class C adalah seperti di bawah. Silakan anda coba menghitung seperti cara diatas untuk subnetmask lainnya.</div>
<table border="1" style="background-color: white; border-collapse: collapse; border-spacing: 0px; color: #2a1002; font-family: "Droid Sans", Arial, Verdana, sans-serif; font-size: 13px;"><tbody>
<tr><td><strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Subnet Mask</strong></td><td><strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Nilai CIDR</strong></td></tr>
<tr><td>255.255.255.128</td><td>/25</td></tr>
<tr><td>255.255.255.192</td><td>/26</td></tr>
<tr><td>255.255.255.224</td><td>/27</td></tr>
<tr><td>255.255.255.240</td><td>/28</td></tr>
<tr><td>255.255.255.248</td><td>/29</td></tr>
<tr><td>255.255.255.252</td><td>/30</td></tr>
</tbody></table>
<div style="background: rgb(255, 255, 255); border: 0px; color: #2a1002; font-family: "Droid Sans", Arial, Verdana, sans-serif; font-size: 13px; line-height: 18px; outline: 0px; padding: 0px 0px 10px; vertical-align: baseline;">
<br /></div>
<div style="background: rgb(255, 255, 255); border: 0px; color: #2a1002; font-family: "Droid Sans", Arial, Verdana, sans-serif; font-size: 13px; line-height: 18px; outline: 0px; padding: 0px 0px 10px; vertical-align: baseline;">
<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">SUBNETTING PADA IP ADDRESS CLASS B</strong></div>
<div style="background: rgb(255, 255, 255); border: 0px; color: #2a1002; font-family: "Droid Sans", Arial, Verdana, sans-serif; font-size: 13px; line-height: 18px; outline: 0px; padding: 0px 0px 10px; vertical-align: baseline;">
Berikutnya kita akan mencoba melakukan subnetting untuk IP address class B. Pertama, subnet mask yang bisa digunakan untuk subnetting class B adalah seperti dibawah. Sengaja saya pisahkan jadi dua, blok sebelah kiri dan kanan karena masing-masing berbeda teknik terutama untuk oktet yang “dimainkan” berdasarkan blok subnetnya. CIDR /17 sampai /24 caranya sama persis dengan subnetting Class C, hanya blok subnetnya kita masukkan langsung ke oktet ketiga, bukan seperti Class C yang “dimainkan” di oktet keempat. Sedangkan CIDR /25 sampai /30 (kelipatan) blok subnet kita “mainkan” di oktet keempat, tapi setelah selesai oktet ketiga berjalan maju (coeunter) dari 0, 1, 2, 3, dst.</div>
<table border="0" style="background-color: white; border-collapse: collapse; border-spacing: 0px; color: #2a1002; font-family: "Droid Sans", Arial, Verdana, sans-serif; font-size: 13px; width: 410px;"><tbody>
<tr><th><table border="1" style="border-collapse: collapse; border-spacing: 0px;"><tbody>
<tr><td><strong style="background: transparent; border: 0px; color: #1c1c1c; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Subnet Mask</strong></td><td><strong style="background: transparent; border: 0px; color: #1c1c1c; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Nilai CIDR</strong></td></tr>
<tr><td>255.255.128.0</td><td>/17</td></tr>
<tr><td>255.255.192.0</td><td>/18</td></tr>
<tr><td>255.255.224.0</td><td>/19</td></tr>
<tr><td>255.255.240.0</td><td>/20</td></tr>
<tr><td>255.255.248.0</td><td>/21</td></tr>
<tr><td>255.255.252.0</td><td>/22</td></tr>
<tr><td>255.255.254.0</td><td>/23</td></tr>
<tr><td>255.255.255.0</td><td>/24</td></tr>
</tbody></table>
</th><th><table border="1" style="border-collapse: collapse; border-spacing: 0px;"><tbody>
<tr><td><strong style="background: transparent; border: 0px; color: #1c1c1c; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Subnet Mask</strong></td><td><strong style="background: transparent; border: 0px; color: #1c1c1c; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Nilai CIDR</strong></td></tr>
<tr><td>255.255.255.128</td><td>/25</td></tr>
<tr><td>255.255.255.192</td><td>/26</td></tr>
<tr><td>255.255.255.224</td><td>/27</td></tr>
<tr><td>255.255.255.240</td><td>/28</td></tr>
<tr><td>255.255.255.248</td><td>/29</td></tr>
<tr><td>255.255.255.252</td><td>/30</td></tr>
</tbody></table>
</th></tr>
</tbody></table>
<div style="background: rgb(255, 255, 255); border: 0px; color: #2a1002; font-family: "Droid Sans", Arial, Verdana, sans-serif; font-size: 13px; line-height: 18px; outline: 0px; padding: 0px 0px 10px; vertical-align: baseline;">
Ok, kita coba dua soal untuk kedua teknik subnetting untuk Class B. Kita mulai dari yang menggunakan subnetmask dengan CIDR /17 sampai /24. Contoh network address <strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">172.16.0.0/18</strong>.</div>
<div style="background: rgb(255, 255, 255); border: 0px; color: #2a1002; font-family: "Droid Sans", Arial, Verdana, sans-serif; font-size: 13px; line-height: 18px; outline: 0px; padding: 0px 0px 10px; vertical-align: baseline;">
<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Analisa</strong>: 172.16.0.0 berarti kelas B, dengan Subnet Mask /18 berarti 11111111.11111111.11000000.00000000 (255.255.192.0).</div>
<div style="background: rgb(255, 255, 255); border: 0px; color: #2a1002; font-family: "Droid Sans", Arial, Verdana, sans-serif; font-size: 13px; line-height: 18px; outline: 0px; padding: 0px 0px 10px; vertical-align: baseline;">
<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Penghitungan</strong>:</div>
<ol style="background: rgb(255, 255, 255); border: 0px; color: #2a1002; font-family: "Droid Sans", Arial, Verdana, sans-serif; font-size: 13px; list-style-image: initial; list-style-position: inside; margin: 10px 0px 10px 2px; outline: 0px; padding: 0px; vertical-align: baseline;">
<li style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;"><strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Jumlah Subnet</strong> = 2<span style="background: transparent; border: 0px; bottom: 0.8em; height: 0px; line-height: 1; margin: 0px; outline: 0px; padding: 0px; position: relative; vertical-align: baseline;">x</span>, dimana x adalah banyaknya binari 1 pada 2 oktet terakhir. Jadi Jumlah Subnet adalah 2<span style="background: transparent; border: 0px; bottom: 0.8em; height: 0px; line-height: 1; margin: 0px; outline: 0px; padding: 0px; position: relative; vertical-align: baseline;">2</span> = 4 subnet</li>
<li style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;"><strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Jumlah Host per Subnet</strong> = 2<span style="background: transparent; border: 0px; bottom: 0.8em; height: 0px; line-height: 1; margin: 0px; outline: 0px; padding: 0px; position: relative; vertical-align: baseline;">y</span> – 2, dimana y adalah adalah kebalikan dari x yaitu banyaknya binari 0 pada 2 oktet terakhir. Jadi jumlah host per subnet adalah 2<span style="background: transparent; border: 0px; bottom: 0.8em; height: 0px; line-height: 1; margin: 0px; outline: 0px; padding: 0px; position: relative; vertical-align: baseline;">14</span> – 2 = 16.382 host</li>
<li style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;"><strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Blok Subnet</strong> = 256 – 192 = 64. Subnet berikutnya adalah 64 + 64 = 128, dan 128+64=192. Jadi subnet lengkapnya adalah <strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">0, 64, 128, 192</strong>.</li>
<li style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;"><strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Alamat host dan broadcast yang valid?</strong></li>
<table border="1" style="border-collapse: collapse; border-spacing: 0px; width: 420px;"><tbody>
<tr><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; line-height: 18px; outline: 0px; padding: 0px 0px 10px; vertical-align: baseline;">
<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Subnet</strong></div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">0.0</strong></div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">64.0</strong></div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
<div align="left" style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">128.0</strong></div>
</div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
<div align="left" style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">192.0</strong></div>
</div>
</td></tr>
<tr><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Host Pertama</strong></div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
<div align="left" style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">0.1</strong></div>
</div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
<div align="left" style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">64.1</strong></div>
</div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
<div align="left" style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">128.1</strong></div>
</div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
<div align="left" style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">192.1</strong></div>
</div>
</td></tr>
<tr><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Host Terakhir</strong></div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
<div align="left" style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">63.254</strong></div>
</div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
<div align="left" style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">127.254</strong></div>
</div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
<div align="left" style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">191.254</strong></div>
</div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
<div align="left" style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">255.254</strong></div>
</div>
</td></tr>
<tr><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Broadcast</strong></div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
<div align="left" style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">63.255</strong></div>
</div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
<div align="left" style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">127.255</strong></div>
</div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
<div align="left" style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">191.255</strong></div>
</div>
</td><td><div align="left" style="background: transparent; border: 0px; font-size: 13px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
<div align="left" style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">.255.255</strong></div>
</div>
</td></tr>
</tbody></table>
</ol>
<div style="background: rgb(255, 255, 255); border: 0px; color: #2a1002; font-family: "Droid Sans", Arial, Verdana, sans-serif; font-size: 13px; line-height: 18px; outline: 0px; padding: 0px 0px 10px; vertical-align: baseline;">
Berikutnya kita coba satu lagi untuk Class B khususnya untuk yang menggunakan subnetmask CIDR /25 sampai /30. Contoh network address <strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">172.16.0.0/25</strong>.</div>
<div style="background: rgb(255, 255, 255); border: 0px; color: #2a1002; font-family: "Droid Sans", Arial, Verdana, sans-serif; font-size: 13px; line-height: 18px; outline: 0px; padding: 0px 0px 10px; vertical-align: baseline;">
<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Analisa</strong>: 172.16.0.0 berarti kelas B, dengan Subnet Mask /25 berarti 11111111.11111111.11111111.10000000 (255.255.255.128).</div>
<div style="background: rgb(255, 255, 255); border: 0px; color: #2a1002; font-family: "Droid Sans", Arial, Verdana, sans-serif; font-size: 13px; line-height: 18px; outline: 0px; padding: 0px 0px 10px; vertical-align: baseline;">
<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Penghitungan</strong>:</div>
<ol style="background: rgb(255, 255, 255); border: 0px; color: #2a1002; font-family: "Droid Sans", Arial, Verdana, sans-serif; font-size: 13px; list-style-image: initial; list-style-position: inside; margin: 10px 0px 10px 2px; outline: 0px; padding: 0px; vertical-align: baseline;">
<li style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;"><strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Jumlah Subnet</strong> = 2<span style="background: transparent; border: 0px; bottom: 0.8em; height: 0px; line-height: 1; margin: 0px; outline: 0px; padding: 0px; position: relative; vertical-align: baseline;">9</span> = 512 subnet</li>
<li style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;"><strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Jumlah Host per Subnet</strong> = 2<span style="background: transparent; border: 0px; bottom: 0.8em; height: 0px; line-height: 1; margin: 0px; outline: 0px; padding: 0px; position: relative; vertical-align: baseline;">7</span> – 2 = 126 host</li>
<li style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;"><strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Blok Subnet</strong> = 256 – 128 = 128. Jadi lengkapnya adalah (<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">0, 128</strong>)</li>
<li style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;"><strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Alamat host dan broadcast yang valid</strong>?</li>
</ol>
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<tr><td><div align="left" style="background: transparent; border: 0px; line-height: 18px; outline: 0px; padding: 0px 0px 10px; vertical-align: baseline;">
<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Subnet</strong></div>
</td><td>172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">0.0</strong></td><td>172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">0.128</strong></td><td>172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">1.0</strong></td><td>…<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;"></strong></td><td>172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">255.128</strong></td></tr>
<tr><td><strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Host Pertama</strong></td><td>172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">0.1</strong></td><td>172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">0.129</strong></td><td>172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">1.1</strong></td><td>…<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;"></strong></td><td>172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">255.129</strong></td></tr>
<tr><td><strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Host Terakhir</strong></td><td>172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">0.126</strong></td><td>172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">0.254</strong></td><td>172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">1.126</strong></td><td>…</td><td>172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">255.254</strong></td></tr>
<tr><td><strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Broadcast</strong></td><td>172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">0.127</strong></td><td>172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">0.255</strong></td><td>172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">1.127</strong></td><td>…</td><td>172.16.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">255.255</strong></td></tr>
</tbody></table>
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Masih bingung juga? Ok sebelum masuk ke Class A, coba ulangi lagi dari Class C, dan baca pelan-pelan <img alt="😉" class="emoji" draggable="false" src="https://s.w.org/images/core/emoji/2.3/svg/1f609.svg" style="background: none !important; border: none !important; box-shadow: none !important; display: inline !important; height: 1em !important; margin: 0px 0.07em !important; max-width: 100%; outline: 0px; padding: 0px !important; vertical-align: -0.1em !important; width: 1em !important;" /></div>
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<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">SUBNETTING PADA IP ADDRESS CLASS A</strong></div>
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Kalau sudah mantab dan paham, kita lanjut ke Class A. Konsepnya semua sama saja. Perbedaannya adalah di <strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">OKTET</strong> mana kita mainkan blok subnet. Kalau Class C di oktet ke 4 (terakhir), kelas B di Oktet 3 dan 4 (2 oktet terakhir), kalau Class A di oktet 2, 3 dan 4 (3 oktet terakhir). Kemudian subnet mask yang bisa digunakan untuk subnetting class A adalah semua subnet mask dari CIDR /8 sampai /30.</div>
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Kita coba latihan untuk network address <strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">10.0.0.0/16</strong>.</div>
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<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Analisa</strong>: 10.0.0.0 berarti kelas A, dengan Subnet Mask /16 berarti 11111111.11111111.00000000.00000000 (255.255.0.0).</div>
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<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Penghitungan</strong>:</div>
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<li style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;"><strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Jumlah Subnet</strong> = 2<span style="background: transparent; border: 0px; bottom: 0.8em; height: 0px; line-height: 1; margin: 0px; outline: 0px; padding: 0px; position: relative; vertical-align: baseline;">8</span> = 256 subnet</li>
<li style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;"><strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Jumlah Host per Subnet</strong> = 2<span style="background: transparent; border: 0px; bottom: 0.8em; height: 0px; line-height: 1; margin: 0px; outline: 0px; padding: 0px; position: relative; vertical-align: baseline;">16</span> – 2 = 65534 host</li>
<li style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;"><strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Blok Subnet</strong> = 256 – 255 = 1. Jadi subnet lengkapnya: 0,1,2,3,4, etc.</li>
<li style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;"><strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Alamat host dan broadcast yang valid</strong>?</li>
</ol>
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<tr><td><div align="left" style="background: transparent; border: 0px; line-height: 18px; outline: 0px; padding: 0px 0px 10px; vertical-align: baseline;">
<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Subnet</strong></div>
</td><td>10.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">0.0.0</strong></td><td>10.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">1.0.0</strong></td><td>…<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;"></strong></td><td>10.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">254.0.0</strong></td><td>10.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">255.0.0</strong></td></tr>
<tr><td><strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Host Pertama</strong></td><td>10.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">0.0.1</strong></td><td>10.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">1.0.1</strong></td><td>…<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;"></strong></td><td>10.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">254.0.1</strong></td><td>10.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">255.0.1</strong></td></tr>
<tr><td><strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Host Terakhir</strong></td><td>10.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">0.255.254</strong></td><td>10.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">1.255.254</strong></td><td>…</td><td>10.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">254.255.254</strong></td><td>10.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">255.255.254</strong></td></tr>
<tr><td><strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Broadcast</strong></td><td>10.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">0.255.255</strong></td><td>10.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">1.255.255</strong></td><td>…</td><td>10.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">254.255.255</strong></td><td>10.<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">255.255.255</strong></td></tr>
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Mudah-mudahan sudah setelah anda membaca paragraf terakhir ini, anda sudah memahami penghitungan subnetting dengan baik. Kalaupun belum paham juga, anda ulangi terus artikel ini pelan-pelan dari atas. Untuk teknik hapalan subnetting yang lebih cepat, tunggu di artikel berikutnya <img alt="😉" class="emoji" draggable="false" src="https://s.w.org/images/core/emoji/2.3/svg/1f609.svg" style="background: none !important; border: none !important; box-shadow: none !important; display: inline !important; height: 1em !important; margin: 0px 0.07em !important; max-width: 100%; outline: 0px; padding: 0px !important; vertical-align: -0.1em !important; width: 1em !important;" /></div>
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<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Catatan</strong>: Semua penghitungan subnet diatas berasumsikan bahwa IP Subnet-Zeroes (dan IP Subnet-Ones) dihitung secara default. Buku versi terbaru Todd Lamle dan juga CCNA setelah 2005 sudah mengakomodasi masalah IP Subnet-Zeroes (dan IP Subnet-Ones) ini. CCNA pre-2005 tidak memasukkannya secara default (meskipun di kenyataan kita bisa mengaktifkannya dengan command ip subnet-zeroes), sehingga mungkin dalam beberapa buku tentang CCNA serta soal-soal test CNAP, anda masih menemukan rumus penghitungan Jumlah Subnet = 2<span style="background: transparent; border: 0px; bottom: 0.8em; height: 0px; line-height: 1; margin: 0px; outline: 0px; padding: 0px; position: relative; vertical-align: baseline;">x</span> – 2</div>
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Tahap berikutnya adalah silakan download dan kerjakan <a href="http://romisatriawahono.net/wp-content/uploads/2007/02/romi-subnetting-soal.pdf" style="background: transparent; border: 0px; color: #cdaa6d; margin: 0px; outline: 0px; padding: 0px; text-decoration-line: none; vertical-align: baseline;">soal latihan subnetting</a>. Jangan lupa mengikuti artikel tentang <a href="http://romisatriawahono.net/2007/05/07/pola-soal-subnetting-dan-teknik-mengerjakan/" style="background: transparent; border: 0px; color: #cdaa6d; margin: 0px; outline: 0px; padding: 0px; text-decoration-line: none; vertical-align: baseline;" target="_blank">Teknik Mengerjakan Soal Subnetting</a> untuk memperkuat pemahaman anda dan meningkatkan kemampuan dalam mengerjakan soal dalam waktu terbatas.</div>
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<strong style="background: transparent; border: 0px; color: #1c1c1c; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">REFERENSI</strong></div>
<ol style="background: rgb(255, 255, 255); border: 0px; color: #2a1002; font-family: "Droid Sans", Arial, Verdana, sans-serif; font-size: 13px; list-style-image: initial; list-style-position: inside; margin: 10px 0px 10px 2px; outline: 0px; padding: 0px; vertical-align: baseline;">
<li style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Todd Lamle, CCNA Study Guide 5th Edition, Sybex, 2005.</li>
<li style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Module CCNA 1 Chapter 9-10, Cisco Networking Academy Program (CNAP), Cisco Systems.</li>
<li style="background: transparent; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Hendra Wijaya, Cisco Router, Elex Media Komputindo, 2004.</li>
</ol>
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<img align="top" alt="ttd-small.jpg" id="image25" src="https://romisatriawahono.net/wp-content/uploads/2006/01/ttd-small.jpg" style="background: transparent; border: 0px; height: auto; margin: 0px; max-width: 100%; outline: 0px; padding: 0px; vertical-align: baseline;" title="ttd-small.jpg" /></div>
Hendrikhttp://www.blogger.com/profile/09784927816580092200noreply@blogger.com0tag:blogger.com,1999:blog-7119129084567915399.post-79709904070638827332017-07-28T15:24:00.000+07:002017-07-28T15:24:07.814+07:00<div class="post-body entry-content" style="color: #0e3959; font-family: "Trebuchet MS", Trebuchet, sans-serif; font-size: 15.73px; line-height: 1.6em; margin: 0px 0px 0.75em;">
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<b><span style="font-family: "Times New Roman", serif; font-size: 14pt;">MENGADMINISTRASI SERVER DALAM JARINGAN</span></b></div>
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<b><span style="font-family: "Times New Roman", serif; font-size: 14pt;"><br /></span></b></div>
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<b><span style="font-family: "Times New Roman", serif; font-size: 14pt;">Pengertian Server</span></b><span style="font-family: "Times New Roman", serif; font-size: 14pt;"><o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">Server adalah ibarat pelayan yang memiliki hak untuk mengatur.<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">Server disebut sebagai pelayan dikarenakan fungsi server secara keseluruhan adalah memberi layanan (service) kepada client yang saling terhubung satu sama lain dalam satu jaringan.</span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;"><b><br />Fungsi Server</b><o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">Sedangkan fungsi server dalam mengatur adalah bagaimana server mengatur<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">dalam memberi hak akses terhadap client yang terhubung dengan server tersebut. Contohnya: hak akses internet, akses directory, dll<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">Selain itu server dapat berfungsi sebagai dinding keamanan (firewall). Fungsi<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">server ini sangat penting dalam jaringan yang terhubung dengan jaringan luar seperti internet.<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">Server dapat berfungsi untuk membatasi dan menolak suatu koneksi yang ingin merusak dan melakukan pencurian metadata.<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">Server dapat pula berfungsi sekaligus sebagai router yang menghubungkan<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">antara sebuah jaringan dengan jaringan yang lain tapi berbeda segmen.<o:p></o:p></span></div>
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<b><span style="font-family: "Times New Roman", serif; font-size: 14pt;"><br />Aplikasi Server</span></b><span style="font-family: "Times New Roman", serif; font-size: 14pt;"><o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">Layanan/Aplikasi yang diberikan server kepada client bermacam-macam. Layanan<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">tersebut dapat berupa web server,DNS server mail server, ftp server,proxy server, SMB server, DHCP server, dll.</span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;"><b><br />1. Web Server</b><a href="http://eniwarseni18.blogspot.co.id/2013/03/mengadministrasi-server-dalam-jaringan.html" name="_GoBack" style="color: #155585; text-decoration-line: none;"></a><o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">Web Server adalah software server yang menjadi tulang belakang dari World Wide Web (WWW). Web server menunggu permintaan dari client yang menggunakan browser seperti netscape navigator, Internet Explorer, modzilla, dan program browser lainnya. Jika ada permintaan dari browser, maka web server akan memproses permintaan itu dan kemudian memberikan hasil prosesnya berupa data yang diinginkan kembali ke browser.<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">Data ini mempunyai format yang standar disebut dengan format SGML ( Standard General Markup Language). Data yang berupa format ini kemudian akan ditampilkan oleh browser sesuai dengan<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">kemampuan browser itu. Contohnya ialah bila data yang dikirim berupa data gambar, browser yang hanya mampu menampilkan text (misalnya lynx) tidak akan mampu menampilkannya dan jika ada akan menampilkan alternatifnya saja.<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">Web Server, untuk berkomunikasi dengan clientnya (web browser)<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">mempunyai protokol sendiri yaitu HTTP (HyperText Transfer Protocol). Dengan protokol ini, komunikasi antar web server dengan clientnya (browser) dapat saling dimengerti dan lebih mudah.<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">Seperti telah dijelaskan diatas, Standar format data pada World Wide Web adalah SGML. Tapi sudah menjadi hal yang umum bahwa para pengguna internet lebih banyak menggunakan format HTML (HyperText Markup Language) karena penggunaannya yang lebih sederhana dan mudah dipelajari.<o:p></o:p></span></div>
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<b><span style="font-family: "Times New Roman", serif; font-size: 14pt;"><br />2. DNS Server</span></b><span style="font-family: "Times New Roman", serif; font-size: 14pt;"><o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">DNS Server adalah aplikasi untuk me-resolve (konversi) hostname menjadi IP Address.<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">Contoh : </span><a href="http://66.249.89.104/" style="color: #155585; text-decoration-line: none;"><span style="color: blue; font-family: "Times New Roman", serif; font-size: 14pt;">http://66.249.89.104</span></a><span style="font-family: "Times New Roman", serif; font-size: 14pt;"> menjadi </span><a href="http://www.google.com/" style="color: #155585; text-decoration-line: none;"><span style="color: blue; font-family: "Times New Roman", serif; font-size: 14pt;">http://www.google.com</span></a><span style="font-family: "Times New Roman", serif; font-size: 14pt;"><o:p></o:p></span></div>
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<b><span style="font-family: "Times New Roman", serif; font-size: 14pt;"><br />3. Mail Server</span></b><span style="font-family: "Times New Roman", serif; font-size: 14pt;"><o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">Mail server merupakan sebuah aplikasi yang berurusan dengan lalu lintas email, dia tidak secara langsung berhubungan dengan user yang akan berkirim. Dalam pengiriman email, terdapat dua aplikasi yang diperlukan yaitu MTA (Mail Transfer Agent), dan MUA (Mail User Agent). Kerja sama antara MUA dan MTA dapat dianalogikan seperti agen perjalanan dan perusahaan perjalanan, dimana email merupakan orang yang akan melakukan perjalanan.<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">Salah satu alasan kenapa email dipakai orang karena memberikan cara yang mudah dan cepat dalam mengirimkan sebuah informasi. Selain itu email dapat juga informasi yang ukurannya kecil sampai ke file yang ukurannya besar. Pada gambar berikut bagaimana cara pertukaran<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">Email yang menggunakan TCP/IP<o:p></o:p></span></div>
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<a href="http://localhost/teknik-komputer-dan-jaringan/wp-content/uploads/2011/11/6.jpg" style="color: #155585; text-decoration-line: none;"><span style="color: blue; font-family: "Times New Roman", serif; font-size: 14pt;"><br /></span></a><span style="font-family: "Times New Roman", serif; font-size: 14pt;"><o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">Secara garis besar MTA (Mail Transfer Agent) adalah sebuah aplikasi untuk mengantarkan email. MTA melakukan fungsi-fungsi sebagai berikut :<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">- Pertukaran email menggunakan protokol TCP<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">- Menerima email masuk (incoming)<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">- Meneruskan email yang akan keluar (outgoing)<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">- Mengatur antrian bila ada email masuk, keluar dan yang tertunda pengirimannya MTA yang umum dipakai adalah sendmail dan qmail untuk di unix serta untuk di Ms Windows menggunakan Mdaemon.<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;"><br /><br />Sedangkan MUA (Mail User Agent) adalah aplikasi yang berfungsi sebagai antar muka (interface) antara email (dalam hal ini berhubungan dengan user yang memiliki email tersebut) dengan MTA yang mendukungnya. Ia berfungsi :<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">- Menulis email dan membaca email yang masuk.<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">- Mengatur konfigurasi email sehingga sesuai dengan MTA yang mendukungnya.<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">- Memberikan kenyamanan kepada user dalam menerima dan mengirim email.<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">Beberapa agen email yang populer saat ini adalah Pine, Eudora, Netscape, Outlook dan Pegasus.<o:p></o:p></span></div>
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<b><span style="font-family: "Times New Roman", serif; font-size: 14pt;"><br />4. FTP Server</span></b><span style="font-family: "Times New Roman", serif; font-size: 14pt;"><o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">FTP (File Transfer Protocol) menggunakan protokol transport TCP untuk mengirimkan data/file. TCP dipakai sebagai protokol transport karena protokol ini memberikan garansi pengiriman dengan FTP yang dapat memungkinkan user mengakses le dan direktori secara interaktif<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">diantaranya:<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;"> - Melihat daftar file pada direktori remote dan lokal<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">- Mengganti nama dan menghapus file<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">- Transfer file dari komputer remote ke lokal (download)<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">- Transfer file dari komputer lokal ke remote (upload)<o:p></o:p></span></div>
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<b><span style="font-family: "Times New Roman", serif; font-size: 14pt;"><br />5. Proxy Server</span></b><span style="font-family: "Times New Roman", serif; font-size: 14pt;"><o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">Fungsi proxy sebagai cache merupakan fungsi proxy yang paling banyak digunakan dalam jaringan.<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">Dengan fungsi ini proxy mampu menyimpan halaman-halaman web yang pernah diakses oleh client dalam jaringan. Sehingga bila ada client yang lain yang meminta halaman yang sama,maka halaman yang ada dalam cache itulah yang akan diberikan ke client.<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">Sebagai contoh, bila ada client yang membuka halaman http://www.yale.edu, maka sebelum halaman web tersebut muncul di client, proxy server akan menyimpan terlebih dahulu halaman tersebut di dalam cache.<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">Lain waktu apabila ada lagi yang meminta halaman http://www.yale.edu maka halaman yang tersimpan di cache itulah yang akan diberikan ke client yang meminta halaman tersebut.<o:p></o:p></span></div>
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<b><span style="font-family: "Times New Roman", serif; font-size: 14pt;"><br />6. SMB Server</span></b><span style="font-family: "Times New Roman", serif; font-size: 14pt;"><o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">Samba adalah server yang sangat powerful yang dapat membuat sistem berbasis Unix (seperti Linux) untuk melakukan sharing resource dengan sistem berbasis Windows.<o:p></o:p></span></div>
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<b><span style="font-family: "Times New Roman", serif; font-size: 14pt;"><br />7. DHCP Server</span></b><span style="font-family: "Times New Roman", serif; font-size: 14pt;"><o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">DHCP (Dynamic Host Configuration Protocol) adalah sebuah mekanisme yang memungkinkan sebuah server untuk memberikan IP Address secara dinamik bagi client.<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">Client melakukan permintaan IP Address kepada server, dan server memberikan alokasi bagi si client tersebut.<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">Mekanisme ini akan sangat memberikan keuntungan bagi manajemen jaringan di karenakan proses setting IP Address tidak harus dilakukan manual untuk setiap client yang ada.<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">Contoh system operasi pada PC Server: Microsoft (Windows NT, Windows 2000 Server, Windows 2003 Server, Windows 2008 Server), Linux (Debian, Fedora, SUSE, Ubuntu Server, Redhat)<o:p></o:p></span></div>
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<b><span style="font-family: "Times New Roman", serif; font-size: 14pt;"><br />Client</span></b><span style="font-family: "Times New Roman", serif; font-size: 14pt;"><o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">Secara mendasar client adalah sebuah PC dengan sistem operasinya sendiri yang terhubung dengan jaringan/workstation, sehingga dapat digunakan untuk mengakses ke server dan PC lainnya.<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">Contoh system operasi pada PC Client: Microsoft(Windows 3.1, Windows 95, Windows 98, windows 2000, Windows Me, Windows XP, Windows Vista, Windows 7), Linux((Debian, Fedora, SUSE, Ubuntu, Redhat)<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;"> Komputer yang bertugas sebagai pelayan jaringan.<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">- Server mengatur lalu lintas data dalam sebuah jaringan dan menyediakan resource yang dapat dipakai oleh komputer lain yang terhubung dalam jaringannya.<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">- Server merupakan piranti khusus dalam jaringan komputer yang menjadi tempat bagi semua nodes (titik jaringan/workstation)di dalam jaringan untuk bisa melakukan resource sharing.<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">- Server melayani semua nodes, jika nodes membutuhkan.<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">- Server ada beberapa macam, yaitu: printer server, file server, disk server, web server dan database server. Server bisa bersifat dedicated, artinya server tidak bisa dipergunakan sebagai nodes untuk komunikasi, ada juga yang bersifat non-dedicated, yaitu selain berfungsi sebagai server juga dapat dipergunakan sebagai titik masuk untuk berkomunikasi di dalam jaringan. Cara seperti ini populer dengan istilah client-server<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">Layanan yang diberikan server kepada client bermacam-macam.<o:p></o:p></span></div>
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<span style="font-family: "Times New Roman", serif; font-size: 14pt;">Layanan tersebut dapat juga berupa service E-Mail, Domain, Web, Proxy, dll.<o:p></o:p></span></div>
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<span class="post-author vcard">Diposting oleh <span class="fn">Eni Warseni</span> </span><span class="post-timestamp">di <a class="timestamp-link" href="http://eniwarseni18.blogspot.co.id/2013/03/mengadministrasi-server-dalam-jaringan.html" rel="bookmark" style="color: #155585; text-decoration-line: none;" title="permanent link"><abbr class="published" style="border: none;" title="2013-03-15T01:40:00-07:00">01.40</abbr></a></span></div>
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Hendrikhttp://www.blogger.com/profile/09784927816580092200noreply@blogger.com0tag:blogger.com,1999:blog-7119129084567915399.post-90077889558688574282012-09-25T16:32:00.001+07:002012-09-29T08:29:36.169+07:00simbol K3<div class="separator" style="clear: both; text-align: center;">
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<br />Hendrikhttp://www.blogger.com/profile/09784927816580092200noreply@blogger.com1tag:blogger.com,1999:blog-7119129084567915399.post-6020520479043576022012-04-12T01:34:00.001+07:002012-04-12T01:34:43.920+07:00http://www.shareapic.net/main.php<a href="http://www.shareapic.net/main.php">http://www.shareapic.net/main.php</a>Hendrikhttp://www.blogger.com/profile/09784927816580092200noreply@blogger.com0tag:blogger.com,1999:blog-7119129084567915399.post-57761253282960718862012-04-05T00:07:00.001+07:002012-04-05T00:07:57.240+07:00<SCRIPT charset="utf-8" type="text/javascript" src="http://ws.amazon.com/widgets/q?rt=tf_sw&ServiceVersion=20070822&MarketPlace=US&ID=V20070822/US/elektrterapa-20/8002/da98efde-67a4-4597-aa52-1a37023ef6b2"> </SCRIPT> <NOSCRIPT><A HREF="http://ws.amazon.com/widgets/q?rt=tf_sw&ServiceVersion=20070822&MarketPlace=US&ID=V20070822%2FUS%2Felektrterapa-20%2F8002%2Fda98efde-67a4-4597-aa52-1a37023ef6b2&Operation=NoScript">Amazon.com Widgets</A></NOSCRIPT>Hendrikhttp://www.blogger.com/profile/09784927816580092200noreply@blogger.com0tag:blogger.com,1999:blog-7119129084567915399.post-56693988253228486012012-01-16T10:47:00.000+07:002012-01-16T10:47:56.068+07:00Electronic Project<br />
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<a href="http://dimasajiyudabhakti.wordpress.com/2011/06/05/bikin-sendiri-lampu-hemat-energi/"><b><span style="color: #4c4c4c; font-family: Verdana, sans-serif; font-size: 12pt; letter-spacing: -0.6pt; text-decoration: none;">“BIKIN SENDIRI
LAMPU HEMAT ENERGI”</span></b></a><b><span style="color: #555555; font-family: Verdana, sans-serif; font-size: 12pt; letter-spacing: -0.6pt;"><o:p></o:p></span></b></div>
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<span style="color: #555555; font-family: Verdana, sans-serif; font-size: 8.5pt;">June 5, 2011</span><a href="http://dimasajiyudabhakti.wordpress.com/author/dimasajiyudabhakti/" title="Posts by dimasajiyudabhakti"><span style="color: #2970a6; font-family: Verdana, sans-serif; font-size: 8.5pt; text-decoration: none;">dimasajiyudabhakti</span></a><a href="http://dimasajiyudabhakti.wordpress.com/2011/06/05/bikin-sendiri-lampu-hemat-energi/#comments" title="Comment on "><span style="color: #2970a6; font-family: Verdana, sans-serif; font-size: 8.5pt; text-decoration: none;">1 comment</span></a><span style="color: #555555; font-family: Verdana, sans-serif; font-size: 9pt;"><o:p></o:p></span></div>
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<a href="http://dimasajiyudabhakti.files.wordpress.com/2011/06/lampuhematenergi3.jpg"><span style="color: #2970a6; font-family: Verdana, sans-serif; font-size: 9pt; text-decoration: none;"></span></a><span style="color: #555555; font-family: Verdana, sans-serif; font-size: 9pt;"><o:p></o:p></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgAC5OHUgl9XjJfV83uCCEmVm_-jCnJ8ExWAuGHESdRi19Bf3vsEez9wnXESMusBuBIS4p8llhXKL025b630pgFf6Jpj-4yjuD3q6yme4M0dh8F3B0QUNOcYRSt7Aj85qF0fZlR1YkfpmKe/s1600/circuit+lhe2.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgAC5OHUgl9XjJfV83uCCEmVm_-jCnJ8ExWAuGHESdRi19Bf3vsEez9wnXESMusBuBIS4p8llhXKL025b630pgFf6Jpj-4yjuD3q6yme4M0dh8F3B0QUNOcYRSt7Aj85qF0fZlR1YkfpmKe/s1600/circuit+lhe2.jpg" /></a></div>
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<span style="color: #555555; font-family: Verdana, sans-serif; font-size: 9pt;">Kali ini saya mo posting tentang elektronika, gak melulu
tentang </span><a href="http://klikbebas.blogspot.com/"><span style="color: #2970a6; font-family: Verdana, sans-serif; font-size: 9pt; text-decoration: none;">Imu Komputer</span></a><span style="color: #555555; font-family: Verdana, sans-serif; font-size: 9pt;">.
Serius ne sob, bukan ngerjain. Lagi walking-walking eh gak sengaja mampir ke
ne </span><a href="http://www.instructables.com/"><span style="color: #2970a6; font-family: Verdana, sans-serif; font-size: 9pt; text-decoration: none;">website</span></a><span style="color: #555555; font-family: Verdana, sans-serif; font-size: 9pt;"> dapet atikel menarik, langsung aja dehh
timbul niat berbagi ama yang laen. </span><a href="http://klikbebas.blogspot.com/"><span style="color: #2970a6; font-family: Verdana, sans-serif; font-size: 9pt; text-decoration: none;">BIKIN
SENDIRI LAMPU HEMAT ENERGI</span></a><span style="color: #555555; font-family: Verdana, sans-serif; font-size: 9pt;">. Lampu ini menggunakan Lampu LED sebagai komponen
utamanya. Selain harganya murah dan berumur panjang, lampu LED hanya butuh
tegangan yg kecil. Saat ini banyak lampu mobil atau motor yg sudah memakai LED
sebagai pengganti bolam, kemudian lampu senter juga sudah memakai LED, juga
terdapat pada </span><a href="http://klikbebas.blogspot.com/"><span style="color: #2970a6; font-family: Verdana, sans-serif; font-size: 9pt; text-decoration: none;">lampu emergency</span></a><span style="color: #555555; font-family: Verdana, sans-serif; font-size: 9pt;"> yang
sudah mulai </span><a href="http://klikbebas.blogspot.com/"><span style="color: #2970a6; font-family: Verdana, sans-serif; font-size: 9pt; text-decoration: none;">mengganti TL/NEON</span></a><span style="color: #555555; font-family: Verdana, sans-serif; font-size: 9pt;"> dengan
LED yang nyalanya lebih lama dan tidak kalah terang.<o:p></o:p></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjQ8TzXIjPAOTv4incQNQiAgoP3IFlMc2V_eZAvJw1CbK5Wy_d-OgfmGBxoqS0ZAH2Uk54P_i2cjpq9eEjQvfA1kt2H6DZHS-4qjnT46RoztGc8zniYKaZcpq3UlEwq0ZrPlAyKg96g5kUT/s1600/lampu1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjQ8TzXIjPAOTv4incQNQiAgoP3IFlMc2V_eZAvJw1CbK5Wy_d-OgfmGBxoqS0ZAH2Uk54P_i2cjpq9eEjQvfA1kt2H6DZHS-4qjnT46RoztGc8zniYKaZcpq3UlEwq0ZrPlAyKg96g5kUT/s1600/lampu1.jpg" /></a></div>
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<span style="color: #555555; font-family: Verdana, sans-serif; font-size: 9pt;">LANGKAH 1<br />
Komponen yang diperlukan :<o:p></o:p></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjL8JFi0VYJmeikEF5P2nDIKPjioJR_ugzL8faP0M60jow7XbX-3dZxIcJ3CIBk6MdhkRgiz7ZcqAdWZqiC7u4L8cLk-IQakJJdBb6GxNkjtFdcEpg1-99CZ8jbdvCMn1J1-ofmdycf5HiU/s1600/led1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjL8JFi0VYJmeikEF5P2nDIKPjioJR_ugzL8faP0M60jow7XbX-3dZxIcJ3CIBk6MdhkRgiz7ZcqAdWZqiC7u4L8cLk-IQakJJdBb6GxNkjtFdcEpg1-99CZ8jbdvCMn1J1-ofmdycf5HiU/s1600/led1.jpg" /></a></div>
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<span style="color: #555555; font-family: Verdana, sans-serif; font-size: 9pt;">- 30 buah lampu LED Extra bright White <o:p></o:p></span></div>
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<a href="http://dimasajiyudabhakti.files.wordpress.com/2011/06/led.jpg"><span style="color: #2970a6; font-family: Verdana, sans-serif; font-size: 9pt; text-decoration: none;"></span></a><span style="color: #555555; font-family: Verdana, sans-serif; font-size: 9pt;"><o:p></o:p></span></div>
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<span style="color: #555555; font-family: Verdana, sans-serif; font-size: 9pt;">lampu LED ini sekarang sering di pake buat lampu senter. Beli di
toko elektro banyak, tanya aja bli lampu LED buat lampu senter om… ( walahh
nglanturrr dah )<br />
- 3 buah papan PCB<br />
kalo saya mending bli papan PCB yang belubang, so gak usah nglubangin lagi,
cuman nanti penampilannya kurang sedap di pandang mata ( sedap?? emang
makanan?? ). Biar lebih menarik, bisa bli PCB polos alias blum d lubangi, cuman
entar jadi bikin lubangnya sediri.<br />
- 1 buah Kondenser ukuran 0.22uF / 400 Volts.<br />
- 1 buah Resistor ukuran 1K – 1/2 Watt.<o:p></o:p></span></div>
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<span style="color: #555555; font-family: Verdana, sans-serif; font-size: 9pt;">Buat jalur dan lubang-lubang pada papan PCB untuk lampu LED,
seperti gambar di bawah.<o:p></o:p></span></div>
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<a href="http://dimasajiyudabhakti.files.wordpress.com/2011/06/papanpcb.jpg"><span style="color: #2970a6; font-family: Verdana, sans-serif; font-size: 9pt; text-decoration: none;"></span></a><span style="color: #555555; font-family: Verdana, sans-serif; font-size: 9pt;"><o:p></o:p></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgcgA3-1jatVvFFt8zOit087Kw4MA4cAfmWnk1rjsGEoCzcUaG3OaurUb6QUkQDB-u2S9x7qEe73ipkXt8o06hFG349zEq_r4URIcOGVTKQ5ylkT81Y2Z6pzPDzW8VMNZEhANu5JLsHmPGp/s1600/circuit+lhe.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgcgA3-1jatVvFFt8zOit087Kw4MA4cAfmWnk1rjsGEoCzcUaG3OaurUb6QUkQDB-u2S9x7qEe73ipkXt8o06hFG349zEq_r4URIcOGVTKQ5ylkT81Y2Z6pzPDzW8VMNZEhANu5JLsHmPGp/s1600/circuit+lhe.jpg" /></a></div>
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<span style="color: #555555; font-family: Verdana, sans-serif; font-size: 9pt;">LANGKAH 2<br />
Solder dan rangkai komponen pada papan PCB, seperti pada gambar di bawah.<br />
Pasang kaki-kaki lampu LED, kali panjang = + (plus) dan Kaki pendek = -(minus).<br />
</span><a href="http://dimasajiyudabhakti.files.wordpress.com/2011/06/diagramrangkaian.jpg"><span style="color: #2970a6; font-family: Verdana, sans-serif; font-size: 9pt; text-decoration: none;"></span></a><a href="http://dimasajiyudabhakti.files.wordpress.com/2011/06/plcled3.jpg"><span style="color: #2970a6; font-family: Verdana, sans-serif; font-size: 9pt; text-decoration: none;"></span></a><span style="color: #555555; font-family: Verdana, sans-serif; font-size: 9pt;"><o:p></o:p></span></div>
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<span style="color: #555555; font-family: Verdana, sans-serif; font-size: 9pt;">LANGKAH 3<br />
Cari lampu PLC yg sudah mati neonnya ganti dengan rangkaian LED, rangkailah
seperti gambar di bawah.<o:p></o:p></span></div>
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<a href="http://dimasajiyudabhakti.files.wordpress.com/2011/06/lampuhematenergi.jpg"><span style="color: #2970a6; font-family: Verdana, sans-serif; font-size: 9pt; text-decoration: none;"></span></a><span style="color: #555555; font-family: Verdana, sans-serif; font-size: 9pt;"><o:p></o:p></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgcgA3-1jatVvFFt8zOit087Kw4MA4cAfmWnk1rjsGEoCzcUaG3OaurUb6QUkQDB-u2S9x7qEe73ipkXt8o06hFG349zEq_r4URIcOGVTKQ5ylkT81Y2Z6pzPDzW8VMNZEhANu5JLsHmPGp/s1600/circuit+lhe.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgcgA3-1jatVvFFt8zOit087Kw4MA4cAfmWnk1rjsGEoCzcUaG3OaurUb6QUkQDB-u2S9x7qEe73ipkXt8o06hFG349zEq_r4URIcOGVTKQ5ylkT81Y2Z6pzPDzW8VMNZEhANu5JLsHmPGp/s1600/circuit+lhe.jpg" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi9KMY8WLIos2SEUwrbFDCmORXudpIDSt0iQD3P1SsRG2p0D6z3N93cb4AwCyhj_EbzR1W1zwOlf5BvGSVqEZa8PKfrS9IwaSW5tMVV_J7fr3RklVXpij8F9K4un2ypCo1X_wjMBwf3Io8J/s1600/lhe3.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi9KMY8WLIos2SEUwrbFDCmORXudpIDSt0iQD3P1SsRG2p0D6z3N93cb4AwCyhj_EbzR1W1zwOlf5BvGSVqEZa8PKfrS9IwaSW5tMVV_J7fr3RklVXpij8F9K4un2ypCo1X_wjMBwf3Io8J/s1600/lhe3.jpg" /></a></div>
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<span style="color: #555555; font-family: Verdana, sans-serif; font-size: 9pt;">LANGKAH 4<br />
Hubungkan dengan kabel hingga semua komponen terangkai seperti gambar di bawah.<o:p></o:p></span></div>
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<a href="http://dimasajiyudabhakti.files.wordpress.com/2011/06/lampuhematenergi2.jpg"><span style="color: #2970a6; font-family: Verdana, sans-serif; font-size: 9pt; text-decoration: none;"></span></a><span style="color: #555555; font-family: Verdana, sans-serif; font-size: 9pt;"><o:p></o:p></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhryXpdvSI3TTx05_EjuUTug_rrCaJxkTPhS0bJEt2VMdSovomvTPdmiQFqmHcQzbBGFtyaNBIgJ0RVjv5oxsWGUKujK5qmHcua5kwmi3hNZLIF2RuFhlwlieQo3zrW1vpwr38gOArg_CRa/s1600/lhe4.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhryXpdvSI3TTx05_EjuUTug_rrCaJxkTPhS0bJEt2VMdSovomvTPdmiQFqmHcQzbBGFtyaNBIgJ0RVjv5oxsWGUKujK5qmHcua5kwmi3hNZLIF2RuFhlwlieQo3zrW1vpwr38gOArg_CRa/s1600/lhe4.jpg" /></a></div>
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<span style="color: #555555; font-family: Verdana, sans-serif; font-size: 9pt;">LANGKAH 5<br />
Jadi deh, biar lebih terang tambahkan cover dari botol air minum bekas, seperti
gambar dibawah.<o:p></o:p></span></div>
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<span style="color: #555555; font-family: Verdana, sans-serif; font-size: 8.5pt;">Categories:</span><a href="http://dimasajiyudabhakti.wordpress.com/category/doa-doa-islam/" title="View all posts in doa doa islam"><span style="color: #2970a6; font-family: Verdana, sans-serif; font-size: 8.5pt; text-decoration: none;">doa doa islam</span></a><span style="color: #555555; font-family: Verdana, sans-serif; font-size: 8.5pt;"><o:p></o:p></span></div>
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<a href="http://dimasajiyudabhakti.wordpress.com/2011/06/04/membuat-sendiri-booster-accucapacitor-bank-buat-motor/"><b><span style="color: #4c4c4c; font-family: Verdana, sans-serif; font-size: 12pt; letter-spacing: -0.6pt; text-decoration: none;">MEMBUAT SENDIRI
BOOSTER ACCU(CAPACITOR BANK) BUAT MOTOR</span></b></a><b><span style="color: #555555; font-family: Verdana, sans-serif; font-size: 12pt; letter-spacing: -0.6pt;"><o:p></o:p></span></b></div>
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<span style="color: #555555; font-family: Verdana, sans-serif; font-size: 8.5pt;">June 4, 2011</span><a href="http://dimasajiyudabhakti.wordpress.com/author/dimasajiyudabhakti/" title="Posts by dimasajiyudabhakti"><span style="color: #2970a6; font-family: Verdana, sans-serif; font-size: 8.5pt; text-decoration: none;">dimasajiyudabhakti</span></a><a href="http://dimasajiyudabhakti.wordpress.com/2011/06/04/membuat-sendiri-booster-accucapacitor-bank-buat-motor/#respond" title="Comment on MEMBUAT SENDIRI BOOSTER ACCU(CAPACITOR BANK) BUAT MOTOR"><span style="color: #2970a6; font-family: Verdana, sans-serif; font-size: 8.5pt; text-decoration: none;">Leave a comment</span></a><span style="color: #555555; font-family: Verdana, sans-serif; font-size: 9pt;"><o:p></o:p></span></div>
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<b><span style="color: #555555; font-family: Verdana, sans-serif; font-size: 9pt;">Teori</span></b><span style="color: #555555; font-family: Verdana, sans-serif; font-size: 9pt;"><o:p></o:p></span></div>
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<span style="color: #555555; font-family: Verdana, sans-serif; font-size: 9pt;">Seringkali kita menemui kendala susah start atau lampu redup
pada saat pertama kali menghidupkan motor, atau akselerasi yang kurang mantap.
Kemungkinan hal tersebut disebabkan accu yang sudah loyo atau tekor, atau
karena faktor daya yang buruk. Pada dasarnya rangkaian motor mayoritas berupa
koil/kumparan seperti Koil pengapian, Filamen Lampu. Secara teori kelistrikan
dengan semakin banyaknya beban yang berupa kumparan maka akan menyebabkan arus
listrik tertinggal phasanya dibanding tegangannya(voltage). Hipotesa saya hal
tersebut akan menyebabkan akselerasi susah meningkat.<o:p></o:p></span></div>
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<span style="color: #555555; font-family: Verdana, sans-serif; font-size: 9pt;">Nah untuk mengembalikan phasa agar kembali seperti semula maka
digunakan kapasitor untuk menyeimbangkan. Fungsi lain kapasitor adalah
menyimpan muatan listrik dan melepaskannya di lain waktu. Fungsi tersebut
sangat berguna pada fungsi penyearahan oleh dioda. Setelah disearahkan oleh
dioda biasanya tegangan yang timbul berupa tegangan DC(direct current) tapi
tidak sempurna karena masih berupa riak-riak gelombang. Jadi tidak stabil pada
tegangan kerja. Tugas capacitor akan mengurangi beda tegangan tertinggi dengan
tegangan terendah dengan kata lain pada saat tegangan tinggi dia akan menyimpan
arus dan pada saat tegangan terendah akan mengeluarkan arus. Sehingga
mengurangi selisih/beda tegangan dan membuat tegangan lebih rata. Fungsi
membuat lebih rata oleh sebagian orang disebut stabilizer (penstabil tegangan)<o:p></o:p></span></div>
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<span style="color: #555555; font-family: Verdana, sans-serif; font-size: 9pt;">Terus berapa besaran capacitor yang harus digunakan ? OK sebagai
contoh yamaha xeon . Maklum punya hanya motor ini saja. Jadi dioprek-oprek buat
kelinci percobaan. Kita lanjutkan : sesuai data di buku petunjuk diketahui
kapasitas alternator motor tersebut kira-kira 0.106KW atau 106 Watt. Rumus
Power = V x I atau I = P/V Jadi 106Watt : 12V kira-kira besarannya = 8.83 A.
Sesuai dengan pelajaran elektronika dasar tentang Rectifieng/penyearahan
didapatkan “Thumb Rule” buat besarnya capacitor berdasarkan besaran Ampernya.
Thumb Rule tersebut : untuk setiap 1A dibutuhkan 2200 mikro Farad. Jadi untuk
kasus di atas besaran kapasitor yang dibutuhkan adalah 8.83 x 2200 = 19.426
mikro Farad. Tapi harus diingat bahwa besaran arus di motor di batasi oleh
kapasitas regulator/Kuproknya. Untuk contoh kasus di atas saya menggunakan
kapasitor sebesar 10.000 mikro Farad dengan asumsi berpatokan pada accu yang
digunakan yaitu 3,5Ah. Maka akan didapat 3,5 x 2200 = 7.700 mikro Farad. Di
pasaran nilai tersebut tidak tersedia jadi kita pakai angka yang di atasnya
yaitu 10.000 mikro Farad. Alasan lainnya adalah masih ada keinginan untuk
mengganti accu original dengan kapasitas yang lebih besar yaitu 5Ah (buat spare
bro…). Terus berapa besar tegangan kerja capacitor tersebut ? Besarnya tegangan
kerja untuk capacitor kita patok 2x tegangan kuprok. Jika di kuprok tegangan
yang keluar 15V maka tegangan kerja capacitor = 15 x 2 = 30V. Buat safetynya
kita pakai tegangan 50V. Toh perbedaan harga capacitor untuk kedua tegangan
tidak signifikan.<o:p></o:p></span></div>
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<span style="color: #555555; font-family: Verdana, sans-serif; font-size: 9pt;">Terus gimana pengkabelannya ? Beli capacitor 10.000 mikro Farad
tipe konektor/model baut seharga Rp. 15.000, kabel tiga warna AWG8(merah, hitam
hijau) (diameter core 8mm) beli Rp. 3.000, kabel skun 5 pcs (2 spare) diameter
disesuaikan dengan lubang baut accu dan massa beli Rp 2.500 dan konektor 5 pcs
(3 pcs spare) beli Rp 1.000, sumi tube sesuai ukuran kabel beli Rp. 2.000. Jadi
total jendral pengeluarannya adalah : Rp. 23.500. Pasang konektor kabel merah
ke kutub positif kapasitor dan ujung yang lain dipasang di kutub positif accu.
Gabungkan kabel hijau dan hitam (1 konektor untuk 2 kabel) kemudian pasang
konektornya pada kutub negatif capacitor dan ujung kabel hitam dipasang di
kutub negatif accu. Sedangkan ujung kabel hijau yang lain dihubungkan ke massa
atau casis.<o:p></o:p></span></div>
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<br /></div>Hendrikhttp://www.blogger.com/profile/09784927816580092200noreply@blogger.com0tag:blogger.com,1999:blog-7119129084567915399.post-13419157512325727852012-01-16T10:44:00.000+07:002012-01-16T10:48:05.343+07:00simbol komponen<div class="separator" style="clear: both; text-align: center;">
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<br />Hendrikhttp://www.blogger.com/profile/09784927816580092200noreply@blogger.com0tag:blogger.com,1999:blog-7119129084567915399.post-51005885323428580472012-01-11T10:45:00.000+07:002012-01-11T10:59:07.133+07:00<div class="separator" style="clear: both; text-align: center;">
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<a href="http://rahmattehnik.blogspot.com/"><b><span style="color: #336699; font-family: Arial, sans-serif; font-size: 15pt; text-decoration: none;">CARA MERAKIT BOOSTER
PEMANCAR FM 50WATT</span></b></a><b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 15pt;"><o:p></o:p></span></b></div>
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<b><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;">Sumber artikel :
-http://rahmattehnik.blogspot.com/<br />
<br />
<br />
Hallo sobat tehnik ketemu lagi , pada artikel yang lalu kita membahas cara
merakit pemancar FM 5 Watt ,kali ini kita akan merakit Booster Pemancar FM 50
Watt agar kekuatan daya pancarnya semakin jauh dan apabila pemancar kamu bisa
jodoh (Matching) dengan antenanya maka jarak pancarannya bisa kiloan meter dari
tempat tinggalmu .<br />
<br />
<br />
</span></b><b><span style="font-family: 'Times New Roman', serif; font-size: 12pt;">Gambar skema rangkaian
Booster Pemancar FM Watt .</span></b><b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;"><o:p></o:p></span></b></div>
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<b><u><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;">Daftar Komponen :</span></u></b><b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;"><o:p></o:p></span></b></div>
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<b><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;">TR1
................... SC1971.</span></b><b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;"><o:p></o:p></span></b></div>
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<b><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;">TR2
................... SC1946.</span></b><b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;"><o:p></o:p></span></b></div>
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<b><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;">C1, 4 ..................
8 pF ( kondensator trimmer batu ).</span></b><b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;"><o:p></o:p></span></b></div>
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<b><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;">C2, 5 .
.................10 pF ( Kondensator trimmer batu).</span></b><b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;"><o:p></o:p></span></b></div>
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<b><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;">C7, 8
...................20 pF ( Kondensator trimmer batu).</span></b><b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;"><o:p></o:p></span></b></div>
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<b><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;">C3, 6
.................. 2200 mF/50 V.</span></b><b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;"><o:p></o:p></span></b></div>
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<b><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;">L1, 4, 7 .............
Diameter kawat 2mm</span></b><b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;"><o:p></o:p></span></b></div>
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<b><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;">Diameter inti udara
8mm .</span></b><b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;"><o:p></o:p></span></b></div>
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<b><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;">Jumlah lilitan= 3
lilit.</span></b><b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;"><o:p></o:p></span></b></div>
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<b><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;">L2, 5 ...............
Diameter kawat 2mm</span></b><b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;"><o:p></o:p></span></b></div>
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<b><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;">Diameter inti udara
8mm</span></b><b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;"><o:p></o:p></span></b></div>
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<b><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;">Jumlah lilitan= 9
lilit .</span></b><b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;"><o:p></o:p></span></b></div>
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<b><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;">R1, 2
................. 100 ohm / 2 watt.</span></b><b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;"><o:p></o:p></span></b></div>
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<b><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;">L3, 6
................. Diameter kawat 0,4mm</span></b><b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;"><o:p></o:p></span></b></div>
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<b><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;">*.<u>Catatan</u> :
Untuk R1, 2 dan L3, 6 dililitkan bersama .</span></b><b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;"><o:p></o:p></span></b></div>
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<b><span style="font-family: 'Times New Roman', serif; font-size: 12pt;">Gambar PCB Booster Pemancar FM 50 Watt .</span></b><b><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;"><br />
<br />
</span></b><b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;"><o:p></o:p></span></b></div>
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<b><span style="color: #336699; font-family: Arial, sans-serif; font-size: 9pt; text-decoration: none;"></span></b><b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;"><o:p></o:p></span></b></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjoP0htbexgelUp8cPg3AwQJXEr_X3qLWZ-OTx433WZDn5EHRVgzkl0NPQotBulfH8zDcr0Pj-M-rw1S7YNlDfSn9ZACABCmsnK8ctRrULdE9gYa9pQToH2IXRxTGcfIsTaH3khxAdU3EfX/s1600/gambar-pcb-tata-letak-komponen-bosster.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="207" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjoP0htbexgelUp8cPg3AwQJXEr_X3qLWZ-OTx433WZDn5EHRVgzkl0NPQotBulfH8zDcr0Pj-M-rw1S7YNlDfSn9ZACABCmsnK8ctRrULdE9gYa9pQToH2IXRxTGcfIsTaH3khxAdU3EfX/s320/gambar-pcb-tata-letak-komponen-bosster.jpg" width="320" /></a></div>
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<b><u><span style="color: purple; font-family: 'Times New Roman', serif; font-size: 12pt;">Cara merakitnya</span></u></b><b><u><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;"> </span></u></b><b><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;">:</span></b><b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;"><o:p></o:p></span></b></div>
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<br />
<div style="text-align: left;">
<b style="background-color: white; text-indent: 0cm;"><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;">1.<span style="font: normal normal normal 7pt/normal 'Times New Roman';">
</span></span></b><b style="background-color: white; text-indent: 0cm;"><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;">Kamu
beli papan PCB polos di toko elektronik, lalu kamu lukis menggunakan spidol </span></b></div>
<div style="text-align: left;">
<b style="background-color: white; text-indent: 0cm;"><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;"> hitam hitam sesuai dengan gambar di atas kemudian rendam pada larutan
feriClorida </span></b></div>
<div style="text-align: left;">
<b style="background-color: white; text-indent: 0cm;"><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;"> .Tunggu sampai</span></b><b style="background-color: white; text-indent: 0cm;"><div style="display: inline !important;">
<b style="background-color: white; text-indent: 0cm;"><span style="color: #333333;"><span style="font-family: 'Times New Roman', serif; font-size: 12pt;"> bagian yang tidak terkena spidol hilang .</span></span></b></div>
</b></div>
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<div style="text-align: left;">
<b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;">2.<span style="font: normal normal normal 7pt/normal 'Times New Roman';">
</span></span></b><b><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;">Setelah
papan PCB sudah jadi, bersikan sisa tinta spidol dengan menggunakan kertas
amplas halus kemudiaan libangilah pada bagian transistor( TR1, 2 ) membentuk
kotak sesuai dengan bentuk transistor itu agar bisa menempel pada plat
pendingin .</span></b><b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;"><o:p></o:p></span></b></div>
</div>
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<div style="text-align: left;">
<b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;">3.<span style="font: normal normal normal 7pt/normal 'Times New Roman';">
</span></span></b><b><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;">Pasanglah
komponen-komponen pada tempatnya sesuai dengan gambar di atas, ingat kaki
transistor jangan sampai terbalik .</span></b><b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;"><o:p></o:p></span></b></div>
</div>
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<b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;">4.<span style="font: normal normal normal 7pt/normal 'Times New Roman';">
</span></span></b><b><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;">Setelah
semua komponen telah terpasang, sambungkan output dari pemancar 5 watt ke input
Booster .</span></b><b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;"><o:p></o:p></span></b></div>
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<b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;">5.<span style="font: normal normal normal 7pt/normal 'Times New Roman';">
</span></span></b><b><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;">Di
bagian output Booster, kamu pasang Dummy Load sebagai pengganti antena
sekaligus untuk mengukur besaran daya keluaran dari Booster yang telah kamu
rakit .</span></b><b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;"><o:p></o:p></span></b></div>
</div>
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<br />
<div style="text-align: left;">
<b style="background-color: white; text-indent: 0cm;"><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;">6.<span style="font: normal normal normal 7pt/normal 'Times New Roman';">
</span></span></b><b style="background-color: white; text-indent: 0cm;"><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;">Sambungkan
juga kabel tegangan DC 12V pada Booster, ingan jangan sampai terbalik kabel(+)</span></b></div>
<b><div style="text-align: left;">
<b style="background-color: white; text-indent: 0cm;"><span style="color: #333333;"><span style="font-family: 'Times New Roman', serif; font-size: 12pt;">dan (-) nya .</span></span></b></div>
</b></div>
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<b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;">7.<span style="font: normal normal normal 7pt/normal 'Times New Roman';">
</span></span></b><b><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;">Untuk
mengoptimalkan daya keluaran pada booster, lakukan penyetelan dengan mentrim
kondensator trimmer (C1, 2, 4, 5, 7, 8 ) dan merenggangkan Lilitan( L1, 4, 7 )
sampai kamu mendapat daya keluaran yang maksimal .</span></b><b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;"><o:p></o:p></span></b></div>
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<div style="text-align: left;">
<b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;">8.<span style="font: normal normal normal 7pt/normal 'Times New Roman';">
</span></span></b><b><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;">Bila
Daya keluran Booster sudah maksimal, kamu bisa mencobanya dengan menyambungkan
ke Antena Pemancar FM .</span></b><b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;"><o:p></o:p></span></b></div>
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<b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;">9.<span style="font: normal normal normal 7pt/normal 'Times New Roman';">
</span></span></b><b><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;">Untuk
mengetahui kekuatan modulasi dan mengatur ketepatan antena, gunakan SWR Meter .</span></b><b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;"><o:p></o:p></span></b></div>
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<b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;">10.<span style="font: normal normal normal 7pt/normal 'Times New Roman';">
</span></span></b><b><span style="color: #333333; font-family: 'Times New Roman', serif; font-size: 12pt;">Untuk
kabel antena gunakan kabel koaksial RG 58 atau RG 8 yang berimpedansi 50
ohm </span></b><b><span style="color: #333333; font-family: Arial, sans-serif; font-size: 9pt;"><o:p></o:p></span></b></div>
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</div>Hendrikhttp://www.blogger.com/profile/09784927816580092200noreply@blogger.com0