admin 发表于 2023-2-19 17:49:48

【技术干货】线路不通,如何检测?


                                                                        <section style="background-color: rgb(255, 255, 255); box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="   box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" margin: 10px 0%;box-sizing: border-box; "><section class="" style="display: inline-block; width: 100%; vertical-align: top; box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="   box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" transform: translate3d(0px, 0px, 0px); -webkit-transform: translate3d(0px, 0px, 0px); -moz-transform: translate3d(0px, 0px, 0px); -o-transform: translate3d(0px, 0px, 0px); text-align: center;box-sizing: border-box; "><section class="" style="display: inline-block; vertical-align: top; width: 40%; 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="font-size: 28px; line-height: 1.2; box-sizing: border-box;"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">干<br style="box-sizing: border-box;"></strong></p></section></section></section></section><section class="" style="display: inline-block; vertical-align: top; width: 40%; 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="font-size: 28px; line-height: 1.2; box-sizing: border-box;"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">货<br style="box-sizing: border-box;"></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="   box-sizing: border-box; "><section class="" style="display: inline-block; vertical-align: middle; 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=" margin-top: 0.5em; margin-bottom: 0.5em;box-sizing: border-box; "><section class="" style="background-color: rgb(226, 0, 0); height: 3px; box-sizing: border-box;"></section></section></section></section><section class="" style="display: inline-block; vertical-align: middle; width: 10%; 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-bottom: 10px;box-sizing: border-box; "></section></section></section><section class="" style="display: inline-block; vertical-align: middle; width: 45%; 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-top: 0.5em; margin-bottom: 0.5em;box-sizing: border-box; "><section class="" style="background-color: rgb(226, 0, 0); height: 3px; box-sizing: border-box;"></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: center; font-size: 18px; color: rgb(248, 10, 10); box-sizing: border-box;"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">线路不通,怎么测电压和电流?</strong></p><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">网线不通,怎么用测线仪检测?</strong></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 style="border-top: 1px dashed rgb(152, 152, 152); box-sizing: border-box;" class=""></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-top: 10px; margin-bottom: 10px;box-sizing: border-box; "><section class="" style="width: 100%; background: -webkit-linear-gradient(left, rgb(56, 102, 122), rgba(255, 247, 234, 0)) rgb(162, 215, 196); box-sizing: border-box;"><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="display: inline-block; width: 100%; border-width: 0px 0px 0px 10px; border-style: solid; border-left-color: rgb(240, 112, 153); border-right-color: rgb(240, 112, 153); 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="color: rgb(255, 255, 255); font-size: 16px; box-sizing: border-box;"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">1.如何检测电压?</strong></p></section></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="font-size: 14px; box-sizing: border-box;"><p style="box-sizing: border-box;">所有线管及导线(网线、电源线)铺设完毕后,使用网络测线仪、万用表测试线路中是否存在断点或者信号强度的衰减。一般情况下测试电源供电线路时,能达到设备正常工作时的电压值:DC 12V±10%范围内即可。</p><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=" margin-top: 10px; margin-bottom: 10px;box-sizing: border-box; "><section class="" style="width: 100%; background: -webkit-linear-gradient(right, rgb(56, 102, 122), rgba(255, 247, 234, 0)) rgb(162, 215, 196); box-sizing: border-box;"><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="display: inline-block; width: 100%; border-width: 0px 10px 0px 0px; border-style: solid; border-left-color: rgb(240, 112, 153); border-right-color: rgb(240, 112, 153); 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="color: rgb(255, 255, 255); box-sizing: border-box;"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">2.如何检测电流?</strong></p></section></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="font-size: 14px; box-sizing: border-box;"><p style="box-sizing: border-box;">选择适配器电流大小时,要根据搭载设备的最大工作电流。</p><p style="box-sizing: border-box;">如果有直接标注的,可以按照设备说明书中要求的电流测试;</p><p style="box-sizing: border-box;">如果设备说明书中只标注了设备工作时的功率,可根据公式换算出设备工作的电流:</p><p style="box-sizing: border-box;">I(电流)= P(功率)/U(电压)</p><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="   box-sizing: border-box; "><section class="" style="box-sizing: border-box;"><p style="box-sizing: border-box;"><span style="color: rgb(71, 193, 168); box-sizing: border-box;"><strong style="box-sizing: border-box;">Tips</strong></span></p><p style="box-sizing: border-box;"><span style="font-size: 14px; box-sizing: border-box;">摄像机在切换(白天/黑夜)模式时,瞬间的最大功率会比设备正常工作时的功率要大,这时在换算工作电流时需要按照设备标注的最大功率计算。</span></p><p style="box-sizing: border-box;"><span style="font-size: 14px; box-sizing: border-box;">如下表所示为萤石C3C参数规范表,此时电流为:</span></p><p style="box-sizing: border-box;"><span style="font-size: 14px; box-sizing: border-box;">I= 7(ICR切换瞬间功耗)/12(电压)≈0.58(A)。</span></p><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=" text-align: center; margin-top: 10px; margin-bottom: 10px;box-sizing: border-box; "></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="width: 100%; background: -webkit-linear-gradient(left, rgb(56, 102, 122), rgba(255, 247, 234, 0)) rgb(162, 215, 196); box-sizing: border-box;"><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="display: inline-block; width: 100%; border-width: 0px 0px 0px 10px; border-style: solid; border-left-color: rgb(240, 112, 153); border-right-color: rgb(240, 112, 153); 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="color: rgb(255, 255, 255); box-sizing: border-box;"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">3.如何测试网络信号?</strong></p></section></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="font-size: 14px; box-sizing: border-box;"><p style="box-sizing: border-box;">网络水晶头标准制作线序分T56BA和T568B:</p><p style="box-sizing: border-box;"><span style="font-size: 16px; box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="color: rgb(255, 129, 36); box-sizing: border-box;">标准A接法:</span></strong></span></p><p style="box-sizing: border-box;">白绿绿   橙白蓝白蓝橙    白棕   棕</p><p style="box-sizing: border-box;"><span style="font-size: 16px; box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="color: rgb(255, 129, 36); box-sizing: border-box;">标准B接法:</span></strong></span></p><p style="box-sizing: border-box;"> 白橙橙白绿蓝白蓝   绿   白棕   棕</p><p style="box-sizing: border-box;">其中T568B较为常用。</p><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="   box-sizing: border-box; "><section class="" style="font-size: 14px; box-sizing: border-box;"><p style="box-sizing: border-box;">测试网络信号时,使用<strong style="box-sizing: border-box;"><span style="color: rgb(249, 110, 87); box-sizing: border-box;">网线测线仪</span></strong>将网线的两头水晶头分别插入到远程测试端和主测试端,再打开测线仪电源。</p></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="font-size: 14px; box-sizing: border-box;"><p style="box-sizing: border-box;"><br style="box-sizing: border-box;"></p><p style="box-sizing: border-box;">判断方法如下</p><p style="box-sizing: border-box;"><span style="font-size: 16px; color: rgb(249, 110, 87); box-sizing: border-box;"><strong style="box-sizing: border-box;">A:直通线的测试</strong></span></p><p style="box-sizing: border-box;">测试直通线时,主测试仪的指示灯应该从1到8逐个顺序闪亮,而远程测试端的指示灯也应该从1到8逐个顺序闪亮。如果是这种现象,说明直通线的连通性没问题,否则就得重做。</p><p style="box-sizing: border-box;"><br style="box-sizing: border-box;"></p><p style="box-sizing: border-box;"><span style="font-size: 16px; color: rgb(249, 110, 87); box-sizing: border-box;"><strong style="box-sizing: border-box;">B:交错线的测试</strong></span></p><p style="box-sizing: border-box;">测试交错连线时,主测试仪的指示灯应该从1到8逐个顺序闪亮,而远程测试端的指示灯应该是按着3、6、1、4、5、2、7、8的顺序逐个闪亮。如果是这样,说明交错连线连通性没问题,否则就得重做。</p><p style="box-sizing: border-box;"><br style="box-sizing: border-box;"></p><p style="box-sizing: border-box;">有时线路测试连通正常,连接摄像机后却出现设备无法注册或者不在线,这时最好的测试网络方法就是用笔记本电脑连接网络,测试网络的丢包率和延时率。</p><p style="box-sizing: border-box;">本地网络测试时可以使用计算机的ping命令直接去ping本地网络的网关地址。</p></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=" text-align: center; margin-top: 10px; margin-bottom: 10px;box-sizing: border-box; "></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="font-size: 14px; box-sizing: border-box;"><p style="box-sizing: border-box;">远程网络测试时可以ping萤石服务器地址:dev.ys7.com。</p></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-top: 10px; margin-bottom: 10px;box-sizing: border-box; "></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="font-size: 14px; box-sizing: border-box;"><p style="box-sizing: border-box;">网络正常情况下ping值返回的时间值在100ms以下,丢包率一般不超过1%,如果超出,就需要重新检查布线线路或者网线水晶头的制作质量了。</p><p style="box-sizing: border-box;"> </p></section></section></section><section class="Powered-by-XIUMI V5" style="   box-sizing: border-box; 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