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<div class="tt">TELECOM简介</div>
<div class="txt2 txtimg"><p><span style="color: rgb(255, 0, 0);"><strong>一．什么是 TELECOM</strong></span></p><p>•Telecom=(tele 电)-(communication 通信)</p><p>•简而言之，Telecom是通过有”电”的媒介传送消息。有”电”媒介是Telecom测试的主体。</p><p><br/></p><p><strong><span style="color: rgb(255, 0, 0);">二．什么通讯产品需做TELECOM验证？</span></strong></p><p><strong>凡接至「PSTN/ISDN网络」的通讯产品需做验证。</strong></p><p>•Telecom介面/接口分类:FXS, FXO, XDSL, ISDN/T1/E1, Acoustic and HAC (e.g. Analog phone, IP phone) 。</p><p><br/></p><p>■PSTN公共交换电话网络，( Public Switched Telephone Network ) 公共交换电话网络，也是我们日常生活中常用的电话网。</p><p>■ISDN (Integrated Services Digital Network，综合业务数字网)</p><p><br/></p><p><br/></p><p><span style="color: rgb(255, 0, 0);"><strong>三．Telecom主要设备</strong></span></p><p>Hermon Laboratories －TCA 8200(Telecom Conformance Analyzer)</p><p><img src="/upload_files/2019-05/1558665833303503.png" title="1558665833303503.png" alt="1558665833303503.png" width="700" height="379"/></p><p><br/></p><p><strong><span style="color: rgb(255, 0, 0);">四．覆盖世界上主要通讯标准</span></strong></p><p><strong>常见的Telecom测试标准</strong></p><p><strong>台湾NCC：</strong>PSTN01 , ADSL01 , VDSL01,IS 6100；</p><p><strong>欧盟：</strong>ETSI ES 203 021 , ETSI ES 203 038 , TBR 4；</p><p><strong>美国：</strong>FCC Part 68 , TIA-968-B；</p><p><strong>加拿大：</strong>CS-03；</p><p><strong>澳大利亚：</strong>AS/CA S002 , AS/CA S003.1 , AS/CA S003.2 , AS/CA S003.3 , AS/CA S004 , AS/ACIF S040 , AS/CA S041.1 , AS/CA S041.2 , AS/CA S043.1 , AS/CA S043.2；</p><p><strong>新西兰：</strong>PTC200 , PTC220 , PTC273 , PTC274；</p><p><strong>国际：</strong>ITU-T G.991.2 , G.992.1 , G.992.2 , G.992.3 , G.992.5 , G.993.2；</p><p>其他国家。</p><p><br/></p></div>
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