https://www.togotech.co.kr/index.php?action=history&feed=atom&title=VDSL
VDSL - 편집 역사
2026-04-26T09:36:03Z
이 문서의 편집 역사
MediaWiki 1.31.1
https://www.togotech.co.kr/index.php?title=VDSL&diff=83426&oldid=prev
2025년 2월 19일 (수) 13:58에 Togotech님의 편집
2025-02-19T13:58:37Z
<p></p>
<a href="//www.togotech.co.kr/index.php?title=VDSL&diff=83426&oldid=83424">차이 보기</a>
Togotech
https://www.togotech.co.kr/index.php?title=VDSL&diff=83424&oldid=prev
Togotech: Togotech님이 DSL 문서를 VDSL 문서로 이동했습니다
2025-02-19T13:58:04Z
<p>Togotech님이 <a href="/index.php/DSL" class="mw-redirect" title="DSL" data-bs-title="DSL">DSL</a> 문서를 <a href="/index.php/VDSL" title="VDSL" data-bs-title="VDSL">VDSL</a> 문서로 이동했습니다</p>
<table class="diff diff-contentalign-left" data-mw="interface">
<tr class="diff-title" lang="ko">
<td colspan="1" style="background-color: #fff; color: #222; text-align: center;">← 이전 판</td>
<td colspan="1" style="background-color: #fff; color: #222; text-align: center;">2025년 2월 19일 (수) 13:58 판</td>
</tr><tr><td colspan="2" class="diff-notice" lang="ko"><div class="mw-diff-empty">(차이 없음)</div>
</td></tr></table>
Togotech
https://www.togotech.co.kr/index.php?title=VDSL&diff=61964&oldid=prev
2022년 10월 29일 (토) 10:08에 Togotech님의 편집
2022-10-29T10:08:29Z
<p></p>
<table class="diff diff-contentalign-left" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="ko">
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">← 이전 판</td>
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">2022년 10월 29일 (토) 10:08 판</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l9" >9번째 줄:</td>
<td colspan="2" class="diff-lineno">9번째 줄:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><li> [[DSL]] 디지탈가입자회선 - 이 페이지</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><li> [[DSL]] 디지탈가입자회선 - 이 페이지</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></ol></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></ol></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><li> [[<del class="diffchange diffchange-inline">셋탑박스</del>]]</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><li> [[<ins class="diffchange diffchange-inline">EPON ONT</ins>]]<ins class="diffchange diffchange-inline">, Ethernet Passive Optical Network, Optical Network Terminal</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><li> [[라우터]]</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><li> [[라우터]]</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></ol></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></ol></div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l71" >71번째 줄:</td>
<td colspan="2" class="diff-lineno">71번째 줄:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></gallery></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></gallery></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></ol></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></ol></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><li>CMF, TE Connectivity, COEV magnetics brand, C9606S</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><li> <ins class="diffchange diffchange-inline">[[</ins>CMF<ins class="diffchange diffchange-inline">]]</ins>, TE Connectivity, COEV magnetics brand, C9606S</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><ol></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><ol></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><li>사진</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><li>사진</div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l88" >88번째 줄:</td>
<td colspan="2" class="diff-lineno">88번째 줄:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></gallery></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></gallery></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></ol></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></ol></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><li>전화기 포트와 연결되는 1:1 트랜스포머</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><li>전화기 포트와 연결되는 1:1 <ins class="diffchange diffchange-inline">[[</ins>트랜스포머 <ins class="diffchange diffchange-inline">측정]]</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><ol></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><ol></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><li>사진</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><li>사진</div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l102" >102번째 줄:</td>
<td colspan="2" class="diff-lineno">102번째 줄:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></gallery></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></gallery></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></ol></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></ol></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><li>Pulse BX4141W, RF 트랜스포머</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><li>Pulse BX4141W, RF <ins class="diffchange diffchange-inline">[[</ins>트랜스포머 <ins class="diffchange diffchange-inline">측정]]</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><ol></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><ol></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><li>사진</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><li>사진</div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l117" >117번째 줄:</td>
<td colspan="2" class="diff-lineno">117번째 줄:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></gallery></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></gallery></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></ol></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></ol></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><li>VLR-CPE4-KT NT-T- <del class="diffchange diffchange-inline">hybrid IC</del></div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><li>VLR-CPE4-KT NT-T- <ins class="diffchange diffchange-inline">[[하이브리드IC]]</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><gallery></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><gallery></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>image:vdsl01_011.jpg</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>image:vdsl01_011.jpg</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">image:vdsl01_011_001.jpg</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></gallery></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></gallery></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></ol></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></ol></div></td></tr>
</table>
Togotech
https://www.togotech.co.kr/index.php?title=VDSL&diff=36068&oldid=prev
Togotech: 새 문서: DSL 디지탈가입자회선 <ol> <li>링크 <ol> <li> 전자부품 <ol> <li> 전화기 <ol> <li> DSL 디지탈가입자회선 - 이 페이지 </ol> <li> 셋탑박스...
2020-09-23T04:00:21Z
<p>새 문서: DSL 디지탈가입자회선 <ol> <li>링크 <ol> <li> <a href="/index.php/%EC%A0%84%EC%9E%90%EB%B6%80%ED%92%88" title="전자부품" data-bs-title="전자부품">전자부품</a> <ol> <li> <a href="/index.php/%EC%A0%84%ED%99%94%EA%B8%B0" title="전화기" data-bs-title="전화기">전화기</a> <ol> <li> <a href="/index.php/DSL" class="mw-redirect" title="DSL" data-bs-title="DSL">DSL</a> 디지탈가입자회선 - 이 페이지 </ol> <li> <a href="/index.php/%EC%85%8B%ED%83%91%EB%B0%95%EC%8A%A4" title="셋탑박스" data-bs-title="셋탑박스">셋탑박스</a>...</p>
<p><b>새 문서</b></p><div>DSL 디지탈가입자회선<br />
<ol><br />
<li>링크<br />
<ol><br />
<li> [[전자부품]]<br />
<ol><br />
<li> [[전화기]]<br />
<ol><br />
<li> [[DSL]] 디지탈가입자회선 - 이 페이지<br />
</ol><br />
<li> [[셋탑박스]]<br />
<li> [[라우터]]<br />
</ol><br />
</ol><br />
<li>DSL<br />
<ol><br />
<li>위키페디아 https://en.wikipedia.org/wiki/Digital_subscriber_line<br />
<ol><br />
<li>전화선을 통해 디지털 데이터를 전송하는 방법<br />
</ol><br />
</ol><br />
<li>ADSL<br />
<ol><br />
<li>위키페디아 https://en.wikipedia.org/wiki/Asymmetric_digital_subscriber_line<br />
<ol><br />
<li>가장 널리 사용되는 DSL<br />
</ol><br />
</ol><br />
<li>VDSL, Very high speed Digital Subscriber Line<br />
<ol><br />
<li>기술<br />
<ol><br />
<li> https://en.wikipedia.org/wiki/VDSL<br />
</ol><br />
<li>MVL100D4-LR<br />
<ol><br />
<li>사용자 설명서 - 17p<br />
<ol><br />
<li>DMT(Discrete Multi-tone) 전송방식으로 3km까지 하향 최대 100Mbps, 상향 50Mbps<br />
</ol><br />
<li>외관<br />
<gallery><br />
image:vdsl01_001.jpg | 2020/09/11 의정부에서 설치된 것을 받음<br />
image:vdsl01_002.jpg | KT MVL100D4-LR<br />
image:vdsl01_003.jpg | LINE, TEL, F.G, RS-232C, LAN, DC IN(5V 2A)<br />
image:vdsl01_004.jpg | 미리넷 MVL100D4-LR, 제조년월 2005년 8월<br />
</gallery><br />
<li>보드 앞면 및 뒷면<br />
<gallery><br />
image:vdsl01_005.jpg<br />
image:vdsl01_015.jpg<br />
</gallery><br />
<li>아날로그 파트<br />
<ol><br />
<li>전체<br />
<gallery><br />
image:vdsl01_006.jpg | CPE Customer-premises equipment; 고객 소유 부지 내에 있는 장치<br />
image:vdsl01_007.jpg<br />
</gallery><br />
<li>과전류차단하는 [[P-PTC]]<br />
<ol><br />
<li>Fuzetec회사 FRX75<br />
<gallery><br />
image:vdsl01_008_004.jpg<br />
</gallery><br />
<li>66311B 파워서플라이로 @15V T-I 그래프 <br />
<gallery><br />
image:vdsl01_008_005.png<br />
image:vdsl01_008_006.png<br />
image:vdsl01_008_007.png<br />
</gallery><br />
</ol><br />
<li>CMF, TE Connectivity, COEV magnetics brand, C9606S<br />
<ol><br />
<li>사진<br />
<gallery><br />
image:vdsl01_009.jpg<br />
</gallery><br />
<li>측정<br />
<gallery><br />
image:vdsl01_009_001.jpg | 측정준비<br />
image:vdsl01_009_002.jpg | differential mode(차동모드)<br />
image:vdsl01_009_003.jpg | common mode(공통모드)<br />
</gallery><br />
<li>R3753BH 네트워크분석기로 측정 데이터 <br />
<gallery><br />
image:cmf01_001.png | common mode(공통모드)<br />
</gallery><br />
</ol><br />
<li>전화기 포트와 연결되는 1:1 트랜스포머<br />
<ol><br />
<li>사진<br />
<gallery><br />
image:vdsl01_008.jpg<br />
image:vdsl01_008_001.jpg | 측정방법<br />
image:vdsl01_008_002.jpg | 트랜스포머만 측정<br />
image:vdsl01_008_003.jpg | PCB회로처럼 C연결하여 측정<br />
</gallery><br />
<li>R3753BH 네트워크분석기로 측정 데이터 <br />
<gallery><br />
image:trans_meas03_001.png | 1kHz~10kHz 주파수만 통과시킨다. C가 병렬로 연결되면 100kHz~ 확실히 감쇄시킨다.<br />
</gallery><br />
</ol><br />
<li>Pulse BX4141W, RF 트랜스포머<br />
<ol><br />
<li>사진<br />
<gallery><br />
image:vdsl01_010.jpg<br />
image:vdsl01_010_001.jpg | 매칭 및 ESD 보호회로<br />
image:vdsl01_010_002.jpg<br />
image:vdsl01_010_003.jpg<br />
image:vdsl01_010_004.jpg<br />
</gallery><br />
<li>R3753BH 네트워크분석기로 측정 데이터, <br />
<gallery><br />
image:dsl_trans01_001.png | 10kHz~40MHz만 통과시킴.<br />
</gallery><br />
</ol><br />
<li>VLR-CPE4-KT NT-T- hybrid IC<br />
<gallery><br />
image:vdsl01_011.jpg<br />
</gallery><br />
</ol><br />
<li>디지털 파트<br />
<gallery><br />
image:vdsl01_012.jpg | IKANOS Communications, IK52401-A6<br />
image:vdsl01_013.jpg | IKANOS Communications, IK22411-A0<br />
image:vdsl01_014.jpg | Broadcom AC201A1KML Ethernet Chip<br />
</gallery><br />
<li>[[Xtal-osc]] 5x7mm, 35.3280MHz DSL용, UART에서는 baud속도의 정수비(64×552000 baud, 256×138000 baud, 460×38400 baud or 460×32×1,200 baud), VDSL에서는 2x17.664MHz, ADSL에서는 16x2.208MHz(ADC sampling rate)<br />
<gallery><br />
image:vdsl01_021.jpg | CPE20FDDM 35.328 SUNNY<br />
image:vdsl01_022.jpg<br />
image:vdsl01_023.jpg | seam [[용접]] 때 리드가 많이 틀어져 있다.<br />
image:vdsl01_024.jpg | 단단한 은 에폭시를 사용했다.<br />
</gallery><br />
<li>LINE 포트와 TEL 포트간 경로 주파수 특성, <br />
<gallery><br />
image:vdsl01_016.jpg | common 모드로 측정<br />
image:vdsl01_016_001.png | 음성신호이므로 -3dB 대역폭은 1kHz까지이다.<br />
</gallery><br />
<li>LINE 포트와 DSL용 IC간 경로 주파수 특성<br />
<gallery><br />
image:vdsl01_017.jpg | differential 모드로 측정 방법<br />
image:vdsl01_018.jpg<br />
image:vdsl01_019.jpg | IC 입력에서 측정<br />
image:vdsl01_019_001.png | differential(Sdd)와 common(Scc) 차이. Sdd는 ~40MHz 대역폭을 갖는다.<br />
</gallery><br />
<li>전화선 커넥터 추가 및 전화선 추가 길이에 따라<br />
<gallery><br />
image:vdsl01_020.jpg | 추가<br />
image:vdsl01_020_001.png | phase 매칭에 따라 영향을 받지 대역폭에 영향을 주지 않는다.<br />
</gallery><br />
</ol><br />
</ol><br />
</ol></div>
Togotech