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家庭布线选屏蔽线q是非屏蔽线Q区别原来这么大_电脑报在U?/title>
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家庭布线选屏蔽线q是非屏蔽线Q区别原来这么大
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<li>2021/11/12 9:37:05</li>
<li>cdQ原?/li>
<li>来源Q?span>电脑?/span></li>
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【电脑报在线】在POE供电q篇文章刊发后，狮子看到后台有读者留aQ家庭布U用屏蔽线QSTPQ还是非屏蔽U好呢？今天我们来聊聊q个话题。对于千兆、万兆数据传输，屏蔽双绞U（STPQ和非屏?
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<blockquote toutiao-origin="blockquote" class="pgc-blockquote-abstract" style="box-sizing: border-box; margin-right: 0px; margin-bottom: 20px; margin-left: 0px; padding: 16px 20px; border: none; quotes: none; position: relative; text-align: justify; color: rgb(80, 80, 80); background: rgb(244, 245, 246); font-size: 18px; line-height: 1.64; border-radius: 4px; font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; margin-top: 0px !important;"><div style="box-sizing: border-box; margin: 0px; padding: 0px; border: 0px;"><div style="box-sizing: border-box; margin: 0px; padding: 0px; border: 0px;"><p style="box-sizing: border-box; margin-top: 0px !important; margin-right: 0px; margin-bottom: 0px !important; margin-left: 0px; padding: 0px; border: 0px;">在POE供电q篇文章刊发后，狮子看到后台有读者留aQ家庭布U用屏蔽线QSTPQ还是非屏蔽U好呢？今天我们来聊聊q个话题。对于千兆、万兆数据传输，屏蔽双绞U（STPQ和非屏蔽双l线QUTPQ布UK适用Q但带来的成本可是截然不同的?/p></div></div></blockquote><img src="https://p26.toutiaoimg.com/origin/tos-cn-i-tjoges91tu/SoUETWd2IXXeAq?from=pc" img_width="800" img_height="240" alt="「干货」家庭布UK屏蔽线q是非屏蔽线Q区别原来这么大" inline="0" class="syl-page-img" style="box-sizing: border-box; border: 0px; margin: 0px auto 8px; padding: 0px; cursor: zoom-in; max-width: 100%; display: block; border-radius: 4px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify; height: auto;" /><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;"><span toutiao-origin="strong" style="box-sizing: border-box; font-weight: 700; margin: 0px; padding: 0px; border: 0px;">UTP与STPQ区别是什么？</span></p><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;">双绞U是一U广泛用的늼Q用于在一定距d传输数据和信息，4寏V?芯的双绞U，则组成了我们常说的网Uѝ两U常见的双绞U网U类型是——非屏蔽双绞U和屏蔽双绞Uѝ?/p><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;"><span style="box-sizing: border-box; font-weight: 700; margin: 0px; padding: 0px; border: 0px;">非屏蔽双l线QUTPQ?/span></p><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;">UTP由彩色编码的双绞U组成，但不包括M作ؓl缘体的铝箔或编l物以防止干扰。UTP的PVC护套内有四对双绞Uѝ每对电UK是以每厘c不同的dq行l合Q以帮助消除来自盔R늺和其他电气设备的q扰——也是_<span style="box-sizing: border-box; font-weight: 700; margin: 0px; padding: 0px; border: 0px;">非屏蔽线通过“双l”这个工艺，实际上已l具有一定的抗干扰能力，满基本的网l传输需求?/span></p><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;">UTPUK用于办公室和家庭。它们的h比STP늼低。如果干扰或串扰不是你主要关心的问题Q家庭徏议选择UTP늼以节省你的布U成本。当ӞҎ我们之前几篇文章的科普，你应该尽量选择23AWG、无氧铜U体的线材，以便在有需要的时候，更好C用POE{功能?/p><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;"><span style="box-sizing: border-box; font-weight: 700; margin: 0px; padding: 0px; border: 0px;">屏蔽双绞U（STPQ?/span></p><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;">STP包含一个额外的铝箔包裹或铜~织外套Q以帮助屏蔽늼信号免受q扰。STP늼中的额外屏蔽层可以阻止电干C늼中漏出或q入。STP늼是用来消除电感和电容耦合的。扭曲可以消除电感耦合Q而屏蔽可以消除电容耦合?/p><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;">STP늼l常用于造成EMIQ电干扎ͼ的设备附q的情况。例如，机场、医疗中心和工厂有很多可能生干扰的机器Q在q些地方通常使用STP늼?/p><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;">其中STP又分单屏蔽和双屏蔽双l线两种。单屏蔽是在4?芯线l与PVC外皮之间Q增加一层屏蔽铝（多采用编l工艺）Q实现整?芯线l的整体屏蔽Q而双屏蔽则是单独每一个线l也使用了屏蔽铝，在线l之间也形成了屏蔽?/p><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;">同时屏蔽U一个重要的不同是q拥有地U쀔—一斚w是安全原因，一斚w则是Z更好生干扰的效应静电导出?/p><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;">下图是典型的单、双屏蔽STPl构图?/p><img src="https://p26.toutiaoimg.com/origin/tos-cn-i-tjoges91tu/SoUETXV5kMKSSo?from=pc" img_width="748" img_height="812" alt="「干货」家庭布UK屏蔽线q是非屏蔽线Q区别原来这么大" inline="0" class="syl-page-img" style="box-sizing: border-box; border: 0px; margin: 0px auto 8px; padding: 0px; cursor: zoom-in; max-width: 100%; display: block; border-radius: 4px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify; height: auto;" /><img src="https://p26.toutiaoimg.com/origin/tos-cn-i-tjoges91tu/SoUETYR7Qsmn1U?from=pc" img_width="744" img_height="801" alt="「干货」家庭布UK屏蔽线q是非屏蔽线Q区别原来这么大" inline="0" class="syl-page-img" style="box-sizing: border-box; border: 0px; margin: 0px auto 8px; padding: 0px; cursor: zoom-in; max-width: 100%; display: block; border-radius: 4px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify; height: auto;" /><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;"><span toutiao-origin="strong" style="box-sizing: border-box; font-weight: 700; margin: 0px; padding: 0px; border: 0px;">选择UTP或STP늼要考虑啥？</span></p><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;"><span style="box-sizing: border-box; font-weight: 700; margin: 0px; padding: 0px; border: 0px;">外来串扰</span></p><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;">外来串扰QANEXTQ是盔R늼和连接硬件之间发生的串扰。它是铜~的一个重要性能参数。在万兆|（10GbpsQ应用中Q外来串扰大大限制了|线的数据传输性能。在UTP铜缆中，当相ȝU距dq时Q外来串C增加Q这对许多用h说确实是一个噩梦。与UTPU相比，STPU能够提供出色的外来q端抗串扰性能?/p><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;">对于<span style="box-sizing: border-box; font-weight: 700; margin: 0px; padding: 0px; border: 0px;">正确安装和粘?/span>的STPU，늼内的铝箔屏幕可以防止信号的耦合。因此，它将外来串扰降低到所需的性能水^以下?/p><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;"><span style="box-sizing: border-box; font-weight: 700; margin: 0px; padding: 0px; border: 0px;">端接工艺</span></p><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;">STP늼增加了屏蔽层Q因此电~偏_偏，D收线攄理更加困难——特别在你选择了本来铜U已l是23AWG?.57mmU材情况下更是如此。很多超五和六类双屏蔽线Q被q需要用专用的7cȝ兼容RJ45水晶头——因为线材太_了?/p><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;">回到家庭l网实务Q在装修的网U端接施工之前，STP|线中的屏蔽片和地U必被拉回q缠l在늼末端Q而且未用的片应被修剪掉——对于非屏蔽UTP늼来说Q就没有q样的操作。因此，STP布线的端接时间比UTP长；但是Q这U情况只适用于散装工E线Q因为成品成套的跳线产品配备了连接器或者已l打上了模块Q不需要这个过E?/p><img src="https://p26.toutiaoimg.com/origin/tos-cn-i-tjoges91tu/SoUETZ3HFvh3Jp?from=pc" img_width="299" img_height="367" alt="「干货」家庭布UK屏蔽线q是非屏蔽线Q区别原来这么大" inline="0" class="syl-page-img" style="box-sizing: border-box; border: 0px; margin: 0px auto 8px; padding: 0px; cursor: zoom-in; max-width: 100%; display: block; border-radius: 4px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify; height: auto;" /><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;"><span style="box-sizing: border-box; margin: 0px; padding: 0px; border: 0px;">施工实例Q屏蔽片和地U被拉回~绕在网U末端后打水晶头</span></p><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;"><span style="box-sizing: border-box; font-weight: 700; margin: 0px; padding: 0px; border: 0px;">接合和接?/span></p><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;">如果安装要符?0GBASE-T的万兆局域网标准Q必M证粘合和接地pȝ的完整性，以实现系l的全部性能?/p><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;">非屏蔽线布线q接不需要完整的pȝ_合Q接地完整性要求不高，一般在qq节交换机通过供电接地p了。而对于STP屏蔽U布U系l，必L界限以保适当的性能和安全性，单来_完整的接地要求就是：</p><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;">1.水晶头和模块屏蔽?/p><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;">2.两端讑֤|口要支持屏?span style="box-sizing: border-box; font-weight: 700; margin: 0px; padding: 0px; border: 0px;">Q低端家用\由器/交换机ƈ不支持）</span></p><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;">3.讑֤本n要接圎ͼ例如通过机架Q?span style="box-sizing: border-box; font-weight: 700; margin: 0px; padding: 0px; border: 0px;">或用带地线的三相电源插?/span>Q?/p><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;">4.如果使用甉|插头接地的话Q要保证甉|插接地Q装修强甉|工时p保证甉|接地合格Q?/p><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;">5. 屏蔽|线两端通过|线自带地线接地Qƈ对其对地电阻量不得大于4Ƨ姆?/p><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;">当然Q对于普通家庭来_满1?条也能vC定的接地效果Q但是完整接地效果是需?条全部满?/p><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;">因此Q屏蔽线l网Q多的“麻烦”和“专业”要求可不少Q一般来_<span style="box-sizing: border-box; font-weight: 700; margin: 0px; padding: 0px; border: 0px;">不是单线传输距离l常辑ֈ或超q?00c的万兆|组|，家庭l网不推荐用屏蔽线?/span></p><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;"><span style="box-sizing: border-box; font-weight: 700; margin: 0px; padding: 0px; border: 0px;">成本</span></p><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;">ȝ来说QSTP布线的成本比UTP高。一斚wQSTPU的设计包含屏蔽材料Q这增加了成本。而UTP늼和非屏蔽q接gQ水晶头、模块、连接器Q的成本往往低于带屏蔽的同类产品。另一斚wQ在安装q程中，STP布线解决Ҏ需要更长的旉来端接水晶头、模块，正确地粘合结构化布线pȝQ这让工时Ҏ高。UTP布线解决Ҏ操作单，可以带来更快的端接，从而减成本?/p><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;">以下是一个ȝ性的表格供你参考?/p><img src="https://p26.toutiaoimg.com/origin/tos-cn-i-tjoges91tu/SoUETZr2u6JPb7?from=pc" img_width="904" img_height="183" alt="「干货」家庭布UK屏蔽线q是非屏蔽线Q区别原来这么大" inline="0" class="syl-page-img" style="box-sizing: border-box; border: 0px; margin: 0px auto 8px; padding: 0px; cursor: zoom-in; max-width: 100%; display: block; border-radius: 4px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify; height: auto;" /><p style="box-sizing: border-box; margin: 20px 0px; padding: 0px; border: 0px; color: rgb(34, 34, 34); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif; font-size: 18px; text-align: justify;">往期内Ҏ?/p>
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