科普|同轴高清设备布线时,一定要选择合适的传输线材
<section style="box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="margin-right: 0%;margin-bottom: 10px;margin-left: 0%;overflow: hidden;box-sizing: border-box;"><section class="" style="display: inline-block;box-sizing: border-box;"><section class="" style="display: inline-block;vertical-align: top;width: 4em;height: 4em;border-radius: 50%;background-position: center center;background-repeat: no-repeat;background-size: cover;background-image: url("https://neice.26x.net/UploadFile/common/wechat//2023/02-19/bb220460-645d-43f0-93d2-4360fd10451c.png");box-sizing: border-box;"><section class="" style="width: 100%;height: 100%;overflow: hidden;box-sizing: border-box;"></section></section><section style="width: 100%;margin-left: 1.2em;margin-top: -1.2em;box-sizing: border-box;"><section style="float: left;overflow: hidden;display: inline-block;vertical-align: middle;height: 2em;margin-left: 1em;border-bottom-left-radius: 1em;border-left: 1px solid rgb(255, 202, 0);border-bottom: 1px solid rgb(255, 202, 0);box-sizing: border-box;max-width: 85% !important;"><section class="" style="margin-left: 1.5em;line-height: 1.5;padding-right: 0.5em;font-size: 14px;box-sizing: border-box;"><p style="clear: none;box-sizing: border-box;"><span style="font-size: 16px;box-sizing: border-box;">康康小课堂</span><br style="box-sizing: border-box;"></p></section></section><section style="float: left;width: 5%;margin-left: -1px;box-sizing: border-box;"><section style="width: 6px;height: 6px;margin-top: 1.82em;border-radius: 100%;background-color: rgb(255, 202, 0);box-sizing: border-box;"></section></section><section style="clear: both;box-sizing: border-box;"></section></section></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="margin-top: 10px;margin-bottom: 10px;box-sizing: border-box;"><section class="" style="margin-left: auto;transform: rotate(0deg);-webkit-transform: rotate(0deg);-moz-transform: rotate(0deg);-o-transform: rotate(0deg);margin-bottom: -6px;width: 0px;border-bottom: 3px solid rgb(89, 99, 176);border-left: 3px solid rgb(89, 99, 176);border-top: 3px solid rgb(255, 255, 255) !important;border-right: 3px solid rgb(255, 255, 255) !important;box-sizing: border-box;"></section><section class="" style="border-right: 6px solid rgb(247, 188, 0);border-bottom: 6px solid rgb(247, 188, 0);border-top-color: rgb(247, 188, 0);border-left-color: rgb(247, 188, 0);box-sizing: border-box;"><section class="" style="background-color: rgb(245, 245, 245);padding: 10px;box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="box-sizing: border-box;"><section class="" style="text-align: center;font-size: 14px;line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;"><p style="text-align: left;box-sizing: border-box;">做监控工程的朋友会经常接触到同轴电缆和双绞线,今天康康来介绍下它们各自的功能和使用方法以及选材上的注意事项。</p></section></section></section></section></section><section class="" style="transform: rotate(0deg);-webkit-transform: rotate(0deg);-moz-transform: rotate(0deg);-o-transform: rotate(0deg);margin-top: -6px;width: 0px;border-top: 3px solid rgb(89, 99, 176);border-right: 3px solid rgb(89, 99, 176);border-bottom: 3px solid rgb(255, 255, 255) !important;border-left: 3px solid rgb(255, 255, 255) !important;box-sizing: border-box;"></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="box-sizing: border-box;"><section class="" style="box-sizing: border-box;"><p style="box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="transform: translate3d(5px, 0px, 0px);-webkit-transform: translate3d(5px, 0px, 0px);-moz-transform: translate3d(5px, 0px, 0px);-o-transform: translate3d(5px, 0px, 0px);text-align: center;margin: 10px 0% 30px;box-sizing: border-box;"><section class="" style="display: inline-block;width: 95%;vertical-align: top;border-width: 0px 0px 3px 3px;border-style: none;border-radius: 0px;border-color: rgb(62, 62, 62);background-image: url("https://mmbiz.qpic.cn/mmbiz_png/p8CaKzvQibq6dicktBYibQHdkqLum5pSltpprF4rL53IfhCt03k8uXEoY33FjiaBvAhBtniciaF2hYm7IrP0k8aVXkxA/640?wx_fmt=png");background-position: 0% 0%;background-repeat: repeat;background-size: 8.7588%;background-attachment: scroll;box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="transform: translate3d(-10px, 0px, 0px);-webkit-transform: translate3d(-10px, 0px, 0px);-moz-transform: translate3d(-10px, 0px, 0px);-o-transform: translate3d(-10px, 0px, 0px);margin: 10px 0% -12px;box-sizing: border-box;"><section class="" style="display: inline-block;width: 100%;vertical-align: top;background-color: rgba(251, 205, 15, 0.3);border-style: none;border-width: 3px 3px 0px 0px;border-radius: 0px;border-color: rgb(62, 62, 62);padding: 10px;box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="margin-top: 10px;margin-right: 0%;margin-left: 0%;box-sizing: border-box;"><section class="" style="display: inline-block;width: 100%;vertical-align: top;background-color: rgb(251, 205, 15);padding-right: 10px;padding-left: 10px;box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;"><section class="" style="color: rgb(255, 255, 255);box-sizing: border-box;"><p style="box-sizing: border-box;">同轴电缆</p></section></section></section></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="margin: 20px 0%;box-sizing: border-box;"><section class="" style="float: left;text-align: right;width: 45%;padding-right: 10px;box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="box-sizing: border-box;"><section class="" style="max-width: 100%;vertical-align: middle;display: inline-block;border-style: inset;border-width: 4px;border-radius: 0px;border-color: rgb(251, 205, 15);overflow: hidden !important;box-sizing: border-box;"></section></section></section></section><section class="" style="box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="box-sizing: border-box;"><section class="" style="text-align: justify;font-size: 14px;color: rgb(45, 66, 87);line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;"><p style="clear: none;white-space: normal;box-sizing: border-box;">同轴电缆中心轴线是一条铜导线,外加一层绝缘材料,在这层绝缘材料外边是由一根空心的圆柱网状铜导体包裹,最外一层是绝缘层。外层导体和中心轴芯线的圆心在同一个轴心上,所以叫做同轴电缆,同轴电缆之所以设计成这样,也是为了防止外部电磁波干扰异常信号的传递。</p></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="margin-top: 10px;margin-bottom: 10px;box-sizing: border-box;"><section class="" style="max-width: 100%;vertical-align: middle;display: inline-block;width: 80%;overflow: hidden !important;box-sizing: border-box;"><svg xmlns="http://www.w3.org/2000/svg" x="0px" y="0px" viewbox="0 0 536.1 59.2" style="vertical-align: middle;max-width: 100%;box-sizing: border-box;" width="100%"><g style="box-sizing: border-box;"><polygon points="533.5,3 518.7,19.1 503.1,1 486.9,18.6 471.3,0.5 455.1,18.1 439.5,0 422,19.1 424.6,21.5 439.4,5.3 455,23.4 471.2,5.8 486.8,23.9 503,6.3 518.6,24.4 536.1,5.4" fill="#000000" style="box-sizing: border-box;"/><g style="box-sizing: border-box;"><polygon points="89.5,28.7 82.5,39.3 96.5,39.3" fill="#000000" style="box-sizing: border-box;"/><polygon points="68.9,28.7 61.9,39.3 75.9,39.3" fill="#000000" style="box-sizing: border-box;"/><polygon points="48.2,28.7 41.3,39.3 55.2,39.3" fill="#000000" style="box-sizing: border-box;"/><polygon points="27.6,28.7 20.6,39.3 34.6,39.3" fill="#000000" style="box-sizing: border-box;"/><polygon points="7,28.7 0,39.3 14,39.3" fill="#000000" style="box-sizing: border-box;"/></g><g style="box-sizing: border-box;"><rect x="144.2" y="36.9" style="box-sizing: border-box;" width="328.3" height="3.6" fill="rgb(233, 194, 89)"/></g><g style="box-sizing: border-box;"><rect x="41.3" y="55.6" width="448.1" height="3.6" fill="#000000" style="box-sizing: border-box;"/></g></g></svg></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="box-sizing: border-box;"><section class="" style="text-align: justify;font-size: 14px;color: rgb(45, 66, 87);line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;"><p style="clear: none;white-space: normal;box-sizing: border-box;"><br></p><p style="clear: none;white-space: normal;box-sizing: border-box;">同轴电缆也是局域网中最常见的传输介质之一。它的特点是抗干扰能力好,传输数据稳定,价格也便宜,所以被广泛使用。</p><p style="clear: none;white-space: normal;box-sizing: border-box;"><br></p></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="margin: 20px 0%;box-sizing: border-box;"><section class="" style="display: inline-block;width: 98%;vertical-align: top;border-color: rgb(0, 0, 26);border-width: 1px;border-radius: 0px;border-style: solid;padding: 10px 15px 15px;box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="text-align: left;margin: -20px 0% 20px;transform: translate3d(-16px, 0px, 0px);-webkit-transform: translate3d(-16px, 0px, 0px);-moz-transform: translate3d(-16px, 0px, 0px);-o-transform: translate3d(-16px, 0px, 0px);box-sizing: border-box;"><section class="" style="display: inline-block;width: 50%;vertical-align: top;background-color: rgb(255, 255, 255);padding-right: 10px;box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="text-align: center;margin-right: 0%;margin-left: 0%;box-sizing: border-box;"><section class="" style="max-width: 100%;vertical-align: middle;display: inline-block;overflow: hidden !important;box-sizing: border-box;"><svg xmlns="http://www.w3.org/2000/svg" x="0px" y="0px" viewbox="0 0 536.1 59.2" style="vertical-align: middle;max-width: 100%;box-sizing: border-box;" width="536.1"><g style="box-sizing: border-box;"><polygon points="533.5,3 518.7,19.1 503.1,1 486.9,18.6 471.3,0.5 455.1,18.1 439.5,0 422,19.1 424.6,21.5 439.4,5.3 455,23.4 471.2,5.8 486.8,23.9 503,6.3 518.6,24.4 536.1,5.4" fill="#000000" style="box-sizing: border-box;"/><g style="box-sizing: border-box;"><polygon points="89.5,28.7 82.5,39.3 96.5,39.3" fill="#000000" style="box-sizing: border-box;"/><polygon points="68.9,28.7 61.9,39.3 75.9,39.3" fill="#000000" style="box-sizing: border-box;"/><polygon points="48.2,28.7 41.3,39.3 55.2,39.3" fill="#000000" style="box-sizing: border-box;"/><polygon points="27.6,28.7 20.6,39.3 34.6,39.3" fill="#000000" style="box-sizing: border-box;"/><polygon points="7,28.7 0,39.3 14,39.3" fill="#000000" style="box-sizing: border-box;"/></g><g style="box-sizing: border-box;"><rect x="144.2" y="36.9" style="box-sizing: border-box;" width="328.3" height="3.6" fill="rgb(233, 194, 89)"/></g><g style="box-sizing: border-box;"><rect x="41.3" y="55.6" width="448.1" height="3.6" fill="#000000" style="box-sizing: border-box;"/></g></g></svg></section></section></section></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="box-sizing: border-box;"><section class="" style="text-align: left;font-size: 14px;line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;"><p style="clear: none;box-sizing: border-box;"><strong style="box-sizing: border-box;">同轴电缆选择:</strong></p><p style="clear: none;box-sizing: border-box;">推荐使用SYV75欧姆系列同轴电缆,根据传输距离选择对应的同轴电缆。</p><p style="clear: none;box-sizing: border-box;">SYV75-3/7:75代表阻抗为75欧姆,-3代表5/7指绝缘外径。</p><p style="clear: none;box-sizing: border-box;"><br></p><p style="clear: none;box-sizing: border-box;"><strong>线材的粗细传输距离参考如下:</strong></p><p style="clear: none;box-sizing: border-box;"><br></p><p style="clear: none;box-sizing: border-box;">当<strong>0m<距离≤200m</strong>时,请选用SYV-75-3(96编)同轴电缆。</p><p style="clear: none;box-sizing: border-box;"><br></p><p style="clear: none;box-sizing: border-box;">当<strong>200m<距离≤350m</strong>时,请选用SYV-75-5(128编)同轴电缆。</p><p style="clear: none;box-sizing: border-box;"><br></p><p style="clear: none;box-sizing: border-box;">当<strong>350m<距离≤500m</strong>时,请选用SYV-75-7同轴电缆。</p></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="text-align: right;margin: 20px 0% -30px;transform: translate3d(16px, 0px, 0px);-webkit-transform: translate3d(16px, 0px, 0px);-moz-transform: translate3d(16px, 0px, 0px);-o-transform: translate3d(16px, 0px, 0px);box-sizing: border-box;"><section class="" style="display: inline-block;width: 50%;vertical-align: top;background-color: rgb(255, 255, 255);padding-left: 10px;box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="text-align: center;margin-top: -10px;margin-right: 0%;margin-left: 0%;box-sizing: border-box;"><section class="" style="max-width: 100%;vertical-align: middle;display: inline-block;overflow: hidden !important;box-sizing: border-box;"><svg xmlns="http://www.w3.org/2000/svg" x="0px" y="0px" viewbox="0 0 536.1 59.2" style="vertical-align: middle;max-width: 100%;box-sizing: border-box;" width="536.1"><g style="box-sizing: border-box;"><polygon points="533.5,3 518.7,19.1 503.1,1 486.9,18.6 471.3,0.5 455.1,18.1 439.5,0 422,19.1 424.6,21.5 439.4,5.3 455,23.4 471.2,5.8 486.8,23.9 503,6.3 518.6,24.4 536.1,5.4" fill="#000000" style="box-sizing: border-box;"/><g style="box-sizing: border-box;"><polygon points="89.5,28.7 82.5,39.3 96.5,39.3" fill="#000000" style="box-sizing: border-box;"/><polygon points="68.9,28.7 61.9,39.3 75.9,39.3" fill="#000000" style="box-sizing: border-box;"/><polygon points="48.2,28.7 41.3,39.3 55.2,39.3" fill="#000000" style="box-sizing: border-box;"/><polygon points="27.6,28.7 20.6,39.3 34.6,39.3" fill="#000000" style="box-sizing: 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style="transform: translate3d(5px, 0px, 0px);-webkit-transform: translate3d(5px, 0px, 0px);-moz-transform: translate3d(5px, 0px, 0px);-o-transform: translate3d(5px, 0px, 0px);text-align: center;margin: 10px 0% 30px;box-sizing: border-box;"><section class="" style="display: inline-block;width: 95%;vertical-align: top;border-width: 0px 0px 3px 3px;border-style: none;border-radius: 0px;border-color: rgb(62, 62, 62);background-image: url("https://mmbiz.qpic.cn/mmbiz_png/p8CaKzvQibq6dicktBYibQHdkqLum5pSltpprF4rL53IfhCt03k8uXEoY33FjiaBvAhBtniciaF2hYm7IrP0k8aVXkxA/640?wx_fmt=png");background-position: 0% 0%;background-repeat: repeat;background-size: 8.7588%;background-attachment: scroll;box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="transform: translate3d(-10px, 0px, 0px);-webkit-transform: translate3d(-10px, 0px, 0px);-moz-transform: translate3d(-10px, 0px, 0px);-o-transform: translate3d(-10px, 0px, 0px);margin: 10px 0% -12px;box-sizing: border-box;"><section class="" style="display: inline-block;width: 100%;vertical-align: top;background-color: rgba(251, 205, 15, 0.3);border-style: none;border-width: 3px 3px 0px 0px;border-radius: 0px;border-color: rgb(62, 62, 62);padding: 10px;box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="margin-top: 10px;margin-right: 0%;margin-left: 0%;box-sizing: border-box;"><section class="" style="display: inline-block;width: 100%;vertical-align: top;background-color: rgb(251, 205, 15);padding-right: 10px;padding-left: 10px;box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;"><section class="" style="color: rgb(255, 255, 255);box-sizing: border-box;"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">双绞线</strong></p></section></section></section></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="margin: 20px 0%;box-sizing: border-box;"><section class="" style="float: left;text-align: right;width: 45%;padding-right: 10px;box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="box-sizing: border-box;"><section class="" style="max-width: 100%;vertical-align: middle;display: inline-block;border-style: inset;border-width: 4px;border-radius: 0px;border-color: rgb(251, 205, 15);width: 100%;overflow: hidden !important;box-sizing: border-box;"></section></section></section></section><section class="" style="box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="box-sizing: border-box;"><section class="" style="text-align: justify;font-size: 15px;color: rgb(45, 66, 87);line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;"><p style="clear: none;white-space: normal;box-sizing: border-box;">我们今天广泛使用超五类、六类以及超六类网线都属于双绞线。双绞线之所以使用如此广泛,是因为它具有抗干扰能力强、传输距离远、布线容易、价格低廉等许多优点。</p></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="margin-top: 10px;margin-bottom: 10px;box-sizing: border-box;"><section class="" style="max-width: 100%;vertical-align: middle;display: inline-block;width: 80%;overflow: hidden !important;box-sizing: border-box;"><svg xmlns="http://www.w3.org/2000/svg" x="0px" y="0px" viewbox="0 0 536.1 59.2" style="vertical-align: middle;max-width: 100%;box-sizing: border-box;" width="100%"><g style="box-sizing: border-box;"><polygon points="533.5,3 518.7,19.1 503.1,1 486.9,18.6 471.3,0.5 455.1,18.1 439.5,0 422,19.1 424.6,21.5 439.4,5.3 455,23.4 471.2,5.8 486.8,23.9 503,6.3 518.6,24.4 536.1,5.4" fill="#000000" style="box-sizing: border-box;"/><g style="box-sizing: border-box;"><polygon points="89.5,28.7 82.5,39.3 96.5,39.3" fill="#000000" style="box-sizing: border-box;"/><polygon points="68.9,28.7 61.9,39.3 75.9,39.3" fill="#000000" style="box-sizing: border-box;"/><polygon points="48.2,28.7 41.3,39.3 55.2,39.3" fill="#000000" style="box-sizing: border-box;"/><polygon points="27.6,28.7 20.6,39.3 34.6,39.3" fill="#000000" style="box-sizing: border-box;"/><polygon points="7,28.7 0,39.3 14,39.3" fill="#000000" style="box-sizing: border-box;"/></g><g style="box-sizing: border-box;"><rect x="144.2" y="36.9" style="box-sizing: border-box;" width="328.3" height="3.6" fill="rgb(233, 194, 89)"/></g><g style="box-sizing: border-box;"><rect x="41.3" y="55.6" width="448.1" height="3.6" fill="#000000" style="box-sizing: border-box;"/></g></g></svg></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="box-sizing: border-box;"><section class="" style="text-align: justify;font-size: 14px;color: rgb(45, 66, 87);line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;"><p style="clear: none;white-space: normal;box-sizing: border-box;"><br></p><p style="clear: none;white-space: normal;box-sizing: border-box;">相信广大工程商朋友们在给模拟和同轴摄像机布线时,有时候会选择使用双绞线来代替同轴线缆,由于视频信号在双绞线上传输时衰减特别严重,需要通过双绞线放大器对信号进行放大和补偿,所以,这个时候就需要用到双绞线传输器,这里推荐一款常用的海康双绞线传输器:DS-1H18</p><p style="clear: none;white-space: normal;box-sizing: border-box;"><br></p></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="margin-top: 10px;margin-bottom: 10px;box-sizing: border-box;"><section class="" style="max-width: 100%;vertical-align: middle;display: inline-block;overflow: hidden !important;box-sizing: border-box;"></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="box-sizing: border-box;"><section class="" style="text-align: justify;font-size: 14px;color: rgb(45, 66, 87);line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;"><p style="clear: none;white-space: normal;box-sizing: border-box;">DS-1H18是一款无源高清传输器,具有体积小,安装方便等特点,通过双绞线传输模拟高清HDTVI信号传输距离最远可达200米。</p><p style="clear: none;white-space: normal;box-sizing: border-box;"><br></p></section></section></section></section><section class="" style="clear: both;box-sizing: border-box;"></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="margin: 20px 0%;box-sizing: border-box;"><section class="" style="display: inline-block;width: 98%;vertical-align: top;border-color: rgb(0, 0, 26);border-width: 1px;border-radius: 0px;border-style: solid;padding: 10px 15px 15px;box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="text-align: left;margin: -20px 0% 20px;transform: translate3d(-16px, 0px, 0px);-webkit-transform: translate3d(-16px, 0px, 0px);-moz-transform: translate3d(-16px, 0px, 0px);-o-transform: translate3d(-16px, 0px, 0px);box-sizing: border-box;"><section class="" style="display: inline-block;width: 50%;vertical-align: top;background-color: rgb(255, 255, 255);padding-right: 10px;box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="text-align: center;margin-right: 0%;margin-left: 0%;box-sizing: border-box;"><section class="" style="max-width: 100%;vertical-align: middle;display: inline-block;overflow: hidden !important;box-sizing: border-box;"><svg xmlns="http://www.w3.org/2000/svg" x="0px" y="0px" viewbox="0 0 536.1 59.2" style="vertical-align: middle;max-width: 100%;box-sizing: border-box;" width="536.1"><g style="box-sizing: border-box;"><polygon points="533.5,3 518.7,19.1 503.1,1 486.9,18.6 471.3,0.5 455.1,18.1 439.5,0 422,19.1 424.6,21.5 439.4,5.3 455,23.4 471.2,5.8 486.8,23.9 503,6.3 518.6,24.4 536.1,5.4" fill="#000000" style="box-sizing: border-box;"/><g style="box-sizing: border-box;"><polygon points="89.5,28.7 82.5,39.3 96.5,39.3" fill="#000000" style="box-sizing: border-box;"/><polygon points="68.9,28.7 61.9,39.3 75.9,39.3" fill="#000000" style="box-sizing: border-box;"/><polygon points="48.2,28.7 41.3,39.3 55.2,39.3" fill="#000000" style="box-sizing: border-box;"/><polygon points="27.6,28.7 20.6,39.3 34.6,39.3" fill="#000000" style="box-sizing: border-box;"/><polygon points="7,28.7 0,39.3 14,39.3" fill="#000000" style="box-sizing: border-box;"/></g><g style="box-sizing: border-box;"><rect x="144.2" y="36.9" style="box-sizing: border-box;" width="328.3" height="3.6" fill="rgb(233, 194, 89)"/></g><g style="box-sizing: border-box;"><rect x="41.3" y="55.6" width="448.1" height="3.6" fill="#000000" style="box-sizing: border-box;"/></g></g></svg></section></section></section></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="box-sizing: border-box;"><section class="" style="text-align: left;font-size: 14px;line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;"><p style="text-align: center;box-sizing: border-box;"><strong style="box-sizing: border-box;">双绞线(网线)的选择</strong></p><p style="box-sizing: border-box;"> 用好的网线和不好的网线所传输的图像质量有天壤之别,故应慎重选择。</p></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="margin-top: 10px;margin-bottom: 10px;box-sizing: border-box;"><section class="" style="max-width: 100%;vertical-align: middle;display: inline-block;overflow: hidden !important;box-sizing: border-box;"></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="box-sizing: border-box;"><section class="" style="text-align: left;font-size: 14px;line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;"><p style="box-sizing: border-box;">可使用万用表测量网线传输性能的好坏,好的网线单股测量每10米应小于1欧姆,市场上的网线一般300米每箱,测量网线时,8根中的任何一根的阻值都应小于30欧姆,超过该阻值越多,传输效果就越差。</p></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="text-align: right;margin: 20px 0% -30px;transform: translate3d(16px, 0px, 0px);-webkit-transform: translate3d(16px, 0px, 0px);-moz-transform: translate3d(16px, 0px, 0px);-o-transform: translate3d(16px, 0px, 0px);box-sizing: border-box;"><section class="" style="display: inline-block;width: 50%;vertical-align: top;background-color: rgb(255, 255, 255);padding-left: 10px;box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="text-align: center;margin-top: -10px;margin-right: 0%;margin-left: 0%;box-sizing: border-box;"><section class="" style="max-width: 100%;vertical-align: middle;display: inline-block;overflow: hidden !important;box-sizing: border-box;"><svg xmlns="http://www.w3.org/2000/svg" x="0px" y="0px" viewbox="0 0 536.1 59.2" style="vertical-align: middle;max-width: 100%;box-sizing: border-box;" width="536.1"><g style="box-sizing: border-box;"><polygon points="533.5,3 518.7,19.1 503.1,1 486.9,18.6 471.3,0.5 455.1,18.1 439.5,0 422,19.1 424.6,21.5 439.4,5.3 455,23.4 471.2,5.8 486.8,23.9 503,6.3 518.6,24.4 536.1,5.4" fill="#000000" style="box-sizing: border-box;"/><g style="box-sizing: border-box;"><polygon points="89.5,28.7 82.5,39.3 96.5,39.3" fill="#000000" style="box-sizing: border-box;"/><polygon points="68.9,28.7 61.9,39.3 75.9,39.3" fill="#000000" style="box-sizing: border-box;"/><polygon points="48.2,28.7 41.3,39.3 55.2,39.3" fill="#000000" style="box-sizing: border-box;"/><polygon points="27.6,28.7 20.6,39.3 34.6,39.3" fill="#000000" style="box-sizing: border-box;"/><polygon points="7,28.7 0,39.3 14,39.3" fill="#000000" style="box-sizing: border-box;"/></g><g style="box-sizing: border-box;"><rect x="144.2" y="36.9" style="box-sizing: border-box;" width="328.3" height="3.6" fill="rgb(233, 194, 89)"/></g><g style="box-sizing: border-box;"><rect x="41.3" y="55.6" width="448.1" height="3.6" fill="#000000" style="box-sizing: border-box;"/></g></g></svg></section></section></section></section></section></section></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="box-sizing: border-box;"><section class="" style="text-align: left;box-sizing: border-box;"><p style="box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section></section></section></section></section></section></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="text-align: center;margin: 10px 0%;box-sizing: border-box;"><section class="" style="display: inline-block;width: 95%;vertical-align: top;border-style: solid;border-width: 2px;border-radius: 0px;border-color: rgb(181, 180, 180);box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="margin: -5px 0% 5px;transform: translate3d(-5px, 0px, 0px);-webkit-transform: translate3d(-5px, 0px, 0px);-moz-transform: translate3d(-5px, 0px, 0px);-o-transform: translate3d(-5px, 0px, 0px);box-sizing: border-box;"><section class="" style="display: inline-block;width: 100%;vertical-align: top;background-color: rgb(252, 221, 93);padding: 5px;box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="box-sizing: border-box;"><section class="" style="display: inline-block;width: 100%;vertical-align: top;border-style: solid;border-width: 2px;border-radius: 0px;border-color: rgb(255, 202, 0);background-color: rgb(255, 255, 255);padding: 10px;box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="margin-top: 10px;margin-right: 0%;margin-left: 0%;box-sizing: border-box;"><section class="" style="color: rgb(100, 100, 100);box-sizing: border-box;"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">小结</strong><br style="box-sizing: border-box;"></p></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="margin-right: 0%;margin-bottom: 8px;margin-left: 0%;box-sizing: border-box;"><section class="" style="background-color: rgb(181, 180, 180);height: 2px;box-sizing: border-box;"></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="box-sizing: border-box;"><section class="" style="display: inline-block;width: 100%;vertical-align: top;padding: 10px;box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="margin-top: 10px;margin-right: 0%;margin-left: 0%;box-sizing: border-box;"><section class="" style="text-align: justify;font-size: 14px;color: rgb(100, 100, 100);letter-spacing: 1.2px;line-height: 1.9;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;">根据同轴传输信号距离,传输线材可依据如下规则参考:</p><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p><p style="white-space: normal;box-sizing: border-box;">当传输距离在<strong style="box-sizing: border-box;">0m<距离≤200m</strong>,对图像效果没有特别严格要求的并且布线较为困难的情况下可以选择使用双绞线传输,如果需要较好的图像效果,建议使用SYV-75-3(96编)同轴电缆传输;</p><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p><p style="white-space: normal;box-sizing: border-box;">当传输距离在<strong style="box-sizing: border-box;">200m<距离≤350m</strong>时,建议选用SYV-75-5(128编)同轴电缆传输;</p><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p><p style="white-space: normal;box-sizing: border-box;">当传输距离<strong style="box-sizing: border-box;">350m<距离≤500m</strong>时,建议选用SYV-75-7同轴电缆传输;</p><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p><p style="white-space: normal;box-sizing: border-box;">当传输距离在<strong style="box-sizing: border-box;">500m以上</strong>时,建议使用光端机传输。</p></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="margin-top: 0.5em;margin-bottom: 0.5em;box-sizing: border-box;"><section class="" style="padding: 6px;box-sizing: border-box;"><section style="box-sizing: border-box;"><section style="float: left;box-sizing: border-box;"><section style="width: 5px;height: 5px;border-bottom: 1px solid rgb(249, 110, 87);border-right: 1px solid rgb(249, 110, 87);margin-left: 4px;box-sizing: border-box;"></section><section style="width: 13px;height: 13px;border-bottom: 1px solid rgb(249, 110, 87);border-right: 1px solid rgb(249, 110, 87);margin-top: -9px;box-sizing: border-box;"></section></section><section style="float: right;box-sizing: border-box;"><section style="width: 5px;height: 5px;border-bottom: 1px solid rgb(249, 110, 87);border-left: 1px solid rgb(249, 110, 87);margin-left: auto;margin-right: 4px;float: right;box-sizing: border-box;"></section><section style="width: 13px;height: 13px;border-bottom: 1px solid rgb(249, 110, 87);border-left: 1px solid rgb(249, 110, 87);margin-top: -4px;margin-bottom: 4px;box-sizing: border-box;"></section></section><section style="clear: both;box-sizing: border-box;"></section></section><section style="padding-right: 8px;padding-left: 8px;margin-top: -9px;margin-bottom: -5px;box-sizing: border-box;"><section style="border-width: 1px;border-style: solid;border-color: rgb(249, 110, 87);padding: 3px;box-sizing: border-box;"><section class="" style="border-width: 1px;border-style: solid;border-color: rgb(249, 110, 87);padding: 10px;box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="box-sizing: border-box;"><section class="" style="text-align: left;font-size: 14px;line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;"><p style="box-sizing: border-box;">Tips:选择光端机也需要注意哦,模拟摄像机请选择模拟光端机,同轴摄像机请选择同轴光端机,并且还需要注意720P的同轴光端机传输不了1080P的同轴信号,1080P的同轴摄像机需要选用1080P的同轴光端机哦。</p></section></section></section></section></section></section><section style="box-sizing: border-box;"><section style="float: left;box-sizing: border-box;"><section style="width: 13px;height: 13px;border-top: 1px solid rgb(249, 110, 87);border-right: 1px solid rgb(249, 110, 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