【你问我答】POE交换机问题解答
<section style="box-sizing: border-box; background-color: rgb(255, 255, 255);"><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;">POE交换机自从上市以来，咨询的用户纷至沓来，在此小编对常见的问题进行整理，分享给大家，如有其他问题未能涵盖，欢迎提问！</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; height: 40px;box-sizing: border-box; "><section style="width: 40px; height: 40px; padding: 8px 12px 8px 4px; color: white; font-size: 24px; font-style: italic; line-height: 1; border-radius: 20px; box-sizing: border-box; background-color: rgb(249, 110, 87);" class="">Q</section><section style="width: 40px; height: 40px; padding: 8px; margin-top: -40px; margin-left: 28px; font-size: 24px; font-style: italic; line-height: 1; border-width: 1px; border-style: solid; border-color: rgb(249, 110, 87) rgb(249, 110, 87) rgb(249, 110, 87) white; border-radius: 20px; box-sizing: border-box;" class=""><section style="text-align: right; color: rgb(249, 110, 87); box-sizing: border-box;">A</section></section><section style="font-size: 12px; margin-top: -28px; margin-bottom: 2px; margin-left: 30px; color: white; box-sizing: border-box;" class="">&</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-left: 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=" margin-right: 0%; margin-left: 0%; transform: translate3d(0px, 0px, 0px); font-size: 11.2px;box-sizing: border-box; "><section class="" style="padding-bottom: 3px; display: inline-block; margin-top: 5px; line-height: 1.2; box-sizing: border-box; background-color: rgba(162, 229, 253, 0.521569);"><section class="" style="display: inline-block; vertical-align: top; margin: -5px 5px 2px -5px; padding: 5px 5px 2px; color: rgb(166, 91, 203); font-size: 14.9333px; line-height: 2; box-sizing: border-box; background-color: rgba(161, 229, 253, 0.521569);"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">250米需要用什么样的网线</strong></p></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=" margin-top: 0.5em; margin-bottom: 0.5em; padding-left: 0.45em;box-sizing: border-box; "><section class="" style="border-left-width: 2px; border-left-style: dashed; border-left-color: rgb(249, 110, 87); 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="box-sizing: border-box;"><p style="box-sizing: border-box;">250米远距离传输需要超5类，8芯网线。交换机是8芯供电。摄像头8芯受电。</p></section></section></section></section><section class="" style="width: 0px; margin-left: -0.45em; border-top-width: 1em; border-top-style: solid; border-top-color: rgb(249, 110, 87); border-left-width: 0.5em !important; border-left-style: solid !important; border-left-color: transparent !important; border-right-width: 0.5em !important; border-right-style: solid !important; border-right-color: transparent !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=" margin-right: 0%; margin-left: 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=" margin-right: 0%; margin-left: 0%; transform: translate3d(0px, 0px, 0px);box-sizing: border-box; "><section class="" style="display: inline-block; vertical-align: top; box-sizing: border-box;"><section style="width: 0px; margin-bottom: -10px; transform: rotate(0deg); -webkit-transform: rotate(0deg); -moz-transform: rotate(0deg); -o-transform: rotate(0deg); border-top-width: 5px; border-top-style: solid; border-top-color: rgb(255, 255, 255); border-left-width: 5px; border-left-style: solid; border-left-color: rgb(255, 255, 255); border-right-width: 5px !important; border-right-style: solid !important; border-right-color: transparent !important; border-bottom-width: 5px !important; border-bottom-style: solid !important; border-bottom-color: transparent !important; box-sizing: border-box;"></section><section class="" style="padding: 3px 10px; text-align: center; font-size: 16px; color: rgb(2, 115, 86); box-sizing: border-box; background-color: rgb(122, 220, 181);"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">到达250米传输距离如何实现</strong></p></section><section style="width: 0px; margin-top: -10px; margin-left: auto; transform: rotate(0deg); -webkit-transform: rotate(0deg); -moz-transform: rotate(0deg); -o-transform: rotate(0deg); border-right-width: 5px; border-right-style: solid; border-right-color: rgb(255, 255, 255); border-bottom-width: 5px; border-bottom-style: solid; border-bottom-color: rgb(255, 255, 255); border-top-width: 5px !important; border-top-style: solid !important; border-top-color: transparent !important; border-left-width: 5px !important; border-left-style: solid !important; border-left-color: transparent !important; box-sizing: border-box;"></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=" margin-top: 0.5em; margin-bottom: 0.5em; padding-left: 0.45em;box-sizing: border-box; "><section class="" style="border-left-width: 2px; border-left-style: dashed; border-left-color: rgb(249, 110, 87); 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="box-sizing: border-box;"><p style="box-sizing: border-box;">设备支持网络延长（EXTEND）模式，开启后，使用超五类及以上网线时，对应端口的数据传输和供电距离最远可达250米。</p></section></section></section></section><section class="" style="width: 0px; margin-left: -0.45em; border-top-width: 1em; border-top-style: solid; border-top-color: rgb(249, 110, 87); border-left-width: 0.5em !important; border-left-style: solid !important; border-left-color: transparent !important; border-right-width: 0.5em !important; border-right-style: solid !important; border-right-color: transparent !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=" margin-right: 0%; margin-left: 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"><!--LINK#0_0--><section class="" style=" margin-right: 0%; margin-left: 0%; transform: translate3d(0px, 0px, 0px);box-sizing: border-box; "><section class="" style="display: inline-block; border-radius: 1em; padding: 0.3em 0.8em; color: rgb(255, 255, 255); box-sizing: border-box; background-color: rgb(255, 141, 25);"><p style="box-sizing: border-box;">POE交换机是否卡</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-top: 0.5em; margin-bottom: 0.5em; padding-left: 0.45em;box-sizing: border-box; "><section class="" style="border-left-width: 2px; border-left-style: dashed; border-left-color: rgb(249, 110, 87); 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="box-sizing: border-box;"><p style="box-sizing: border-box;">海康POE交换机是百兆的。</p><p style="box-sizing: border-box;">百兆交换机是100M，实际利用率约60%,也就是60M。以H.265 200W计算，单台摄像头码流,主码流2M-3M，子码流0.5M-1M，按照大约3M计算。</p><p style="box-sizing: border-box;">百兆交换机计算可以接20个。当然这种通俗的计算方法在估算的时候，也有考虑到交换机的上行端口，背板带宽，包转发率等等参数。</p><p style="box-sizing: border-box;">接摄像头那端为接入层，一般百兆够用了。除非一个交换机接了很多个摄像头。</p><p style="box-sizing: border-box;"><br style="box-sizing: border-box;"></p><p style="box-sizing: border-box;">以24口POE交换机DS-3E0326P-E为例：</p><p style="box-sizing: border-box;">交换机的上行端口光电口复用，网口10/100/1000自适应，背板带宽8.8Gbps。</p><p style="box-sizing: border-box;"><br style="box-sizing: border-box;"></p><p style="box-sizing: border-box;">接24个200W的，摄像头码流3Mbps，24个摄像头就是24*3=72Mbps。也就是说接入层交换机上传端口必须满足72Mbp/s的传输速率。考虑到实际50%利用率，交换机需要1000M的上传口。这个是能满足的。</p><p style="box-sizing: border-box;"><br style="box-sizing: border-box;"></p><p style="box-sizing: border-box;">背板带宽：</p><p style="box-sizing: border-box;">24口交换机，2个千兆口</p><p style="box-sizing: border-box;">（24*100M*2+1000*2*2）/1000=8.8Gbps</p><p style="box-sizing: border-box;">可以满足。</p></section></section></section></section><section class="" style="width: 0px; margin-left: -0.45em; border-top-width: 1em; border-top-style: solid; border-top-color: rgb(249, 110, 87); border-left-width: 0.5em !important; border-left-style: solid !important; border-left-color: transparent !important; border-right-width: 0.5em !important; border-right-style: solid !important; border-right-color: transparent !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=" font-size: 12.8px;box-sizing: border-box; "><section class="" style="display: inline-block; box-sizing: border-box;"><section class="" style="height: 2em; line-height: 2em; display: inline-block; vertical-align: top; color: rgb(255, 255, 255); font-size: 16px; text-align: center; padding-left: 8px; padding-right: 8px; box-sizing: border-box; background-color: rgb(239, 66, 119);"><p style="box-sizing: border-box;">交换机是否能串联</p></section><section style="display: inline-block; vertical-align: top; width: 0px; border-left-width: 1em; border-left-style: solid; border-left-color: rgb(239, 66, 119); font-size: 16px; border-top-width: 1em !important; border-top-style: solid !important; border-top-color: transparent !important; border-bottom-width: 1em !important; border-bottom-style: solid !important; border-bottom-color: transparent !important; box-sizing: border-box;"></section><section style="width: 0px; border-right-width: 0.6em; border-right-style: solid; border-right-color: rgb(2, 32, 99); border-top-width: 0.6em; border-top-style: solid; border-top-color: rgb(2, 32, 99); border-left-width: 0.6em !important; border-left-style: solid !important; border-left-color: transparent !important; border-bottom-width: 0.6em !important; border-bottom-style: solid !important; border-bottom-color: transparent !important; box-sizing: border-box;"></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; width: 100%; vertical-align: top; border-left-width: 2px; border-bottom-left-radius: 0px; border-left-style: dashed; border-left-color: rgb(160, 160, 160); 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; padding-left: 0.45em;box-sizing: border-box; "><section class="" style="border-left-width: 2px; border-left-style: dashed; border-left-color: rgb(249, 110, 87); 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="box-sizing: border-box;"><p style="box-sizing: border-box;"><span style="color: rgb(62, 62, 62); font-family: 'Helvetica Neue', Helvetica, 'Hiragino Sans GB', 'Microsoft YaHei', 'Apple Color Emoji', 'Emoji Symbols Font', 'Segoe UI Symbol', Arial, sans-serif; font-size: 16px; line-height: 25.6px;">远的距离无法串联。250米只能是摄像头连到交换机。中间不经过任何设备。</span></p></section></section></section></section><section class="" style="width: 0px; margin-left: -0.45em; border-top-width: 1em; border-top-style: solid; border-top-color: rgb(249, 110, 87); border-left-width: 0.5em !important; border-left-style: solid !important; border-left-color: transparent !important; border-right-width: 0.5em !important; border-right-style: solid !important; border-right-color: transparent !important; 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=" margin-right: 0%; margin-left: 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=" font-size: 12.8px; margin-right: 0%; margin-bottom: -10px; margin-left: 0%; transform: translate3d(3px, 0px, 0px);box-sizing: border-box; "><section class="" style="display: inline-block; box-sizing: border-box;"><section class="" style="height: 2em; line-height: 2em; display: inline-block; vertical-align: top; color: rgb(255, 255, 255); font-size: 16px; text-align: center; padding-left: 8px; padding-right: 8px; box-sizing: border-box; background-color: rgb(95, 156, 239);"><p style="box-sizing: border-box;">能否接POE的球机</p></section><section style="display: inline-block; vertical-align: top; width: 0px; border-left-width: 1em; border-left-style: solid; border-left-color: rgb(95, 156, 239); font-size: 16px; border-top-width: 1em !important; border-top-style: solid !important; border-top-color: transparent !important; border-bottom-width: 1em !important; border-bottom-style: solid !important; border-bottom-color: transparent !important; box-sizing: border-box;"></section><section style="width: 0px; border-right-width: 0.6em; border-right-style: solid; border-right-color: rgb(2, 32, 99); border-top-width: 0.6em; border-top-style: solid; border-top-color: rgb(2, 32, 99); border-left-width: 0.6em !important; border-left-style: solid !important; border-left-color: transparent !important; border-bottom-width: 0.6em !important; border-bottom-style: solid !important; border-bottom-color: transparent !important; box-sizing: border-box;"></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=" margin-top: 0.5em; margin-bottom: 0.5em; padding-left: 0.45em;box-sizing: border-box; "><section class="" style="border-left-width: 2px; border-left-style: dashed; border-left-color: rgb(249, 110, 87); 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="box-sizing: border-box;"><p style="box-sizing: border-box;">单口POE的最大功率不超过30W。接入的球机功率不超过即可接入。比如DS-2DE4220IW-DE,最大功率18W。是可以接的。这里需要单口功率满足了，不要超过整机最大供电功率。</p><p style="box-sizing: border-box;">举例：DS-3E0105P-S 单口供电最大功率是30W，整机最大供电功率58W。是无法接4路的DS-2DE4220IW-DE。</p></section></section></section></section><section class="" style="width: 0px; margin-left: -0.45em; border-top-width: 1em; border-top-style: solid; border-top-color: rgb(249, 110, 87); border-left-width: 0.5em !important; border-left-style: solid !important; border-left-color: transparent !important; border-right-width: 0.5em !important; border-right-style: solid !important; border-right-color: transparent !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=" margin-right: 0%; margin-left: 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=" font-size: 12.8px; margin-right: 0%; margin-bottom: -10px; margin-left: 0%; transform: translate3d(3px, 0px, 0px);box-sizing: border-box; "><section class="" style="display: inline-block; box-sizing: border-box;"><section class="" style="height: 2em; line-height: 2em; display: inline-block; vertical-align: top; color: rgb(95, 156, 239); font-size: 16px; text-align: center; padding-left: 8px; padding-right: 8px; box-sizing: border-box; background-color: rgb(255, 202, 0);"><p style="box-sizing: border-box;">重点业务区是什么意思</p></section><section style="display: inline-block; vertical-align: top; width: 0px; border-left-width: 1em; border-left-style: solid; border-left-color: rgb(255, 202, 0); font-size: 16px; border-top-width: 1em !important; border-top-style: solid !important; border-top-color: transparent !important; border-bottom-width: 1em !important; border-bottom-style: solid !important; border-bottom-color: transparent !important; box-sizing: border-box;"></section><section style="width: 0px; border-right-width: 0.6em; border-right-style: solid; border-right-color: rgb(2, 32, 99); border-top-width: 0.6em; border-top-style: solid; border-top-color: rgb(2, 32, 99); border-left-width: 0.6em !important; border-left-style: solid !important; border-left-color: transparent !important; border-bottom-width: 0.6em !important; border-bottom-style: solid !important; border-bottom-color: transparent !important; box-sizing: border-box;"></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=" margin-top: 0.5em; margin-bottom: 0.5em; padding-left: 0.45em;box-sizing: border-box; "><section class="" style="border-left-width: 2px; border-left-style: dashed; border-left-color: rgb(249, 110, 87); 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="box-sizing: border-box;"><p style="box-sizing: border-box;">支持<span style="color: rgb(249, 110, 87); box-sizing: border-box;">重要端口数据</span>保障功能，对于重点区域的数据或视频，优先保证及传输。用于网络环境不流畅的情况下保证该通道数据的实时传输。这个功能与摄像头传输250米功能不冲突。</p></section></section></section></section><section class="" style="width: 0px; margin-left: -0.45em; border-top-width: 1em; border-top-style: solid; border-top-color: rgb(249, 110, 87); border-left-width: 0.5em !important; border-left-style: solid !important; border-left-color: transparent !important; border-right-width: 0.5em !important; border-right-style: solid !important; border-right-color: transparent !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=" margin-top: 10px; margin-bottom: 10px; padding-right: 13px;box-sizing: border-box; "><section class="" style="width: 25px; margin-left: auto; transform: rotate(0deg); box-sizing: border-box;"></section><section class="" style="border-radius: 0px 1.5em; border-width: 1px 3px 1px 1px; border-style: solid; border-color: rgb(192, 200, 209) rgb(169, 178, 54) rgb(192, 200, 209) rgb(192, 200, 209); margin-top: -1em; padding: 10px; box-shadow: rgb(170, 170, 170) 0px 0px 10px; box-sizing: border-box; background-color: rgb(250, 250, 239);"><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(51, 51, 51); font-size: 16px; box-sizing: border-box;"><p style="box-sizing: border-box;">备注：<span style="letter-spacing: 0px; line-height: 1.6; box-sizing: border-box;">海康的POE交换机达到250米传输需要配合8芯超5类网线使用。推荐用<span style="letter-spacing: 0px; line-height: 1.6; color: rgb(249, 110, 87); box-sizing: border-box;">海康的超5类网线</span>。</span></p><p style="box-sizing: border-box;">另外：海康的POE球机自带POE模块，给模块供电即可，不需要交换机供电。一般球机功率比较大，交换机单口无法满足。</p></section></section></section></section><section class="" style="width: 6px; height: 6px; border-radius: 50%; margin-top: -1px; margin-right: -2px; margin-left: auto; box-sizing: border-box; background-color: rgb(169, 178, 54);"></section></section></section><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" margin-top: 0.8em; margin-bottom: 0.5em; text-align: center;box-sizing: border-box; "><section class="" style="display: inline-block; box-sizing: border-box;"><section style="display: inline-block; box-sizing: border-box;"><section class="" style="display: inline-block; vertical-align: middle; padding-right: 10px; padding-left: 10px; color: rgb(78, 143, 157); font-size: 14px; box-sizing: border-box;"><p style="box-sizing: border-box;">扫描二维码</p><p style="box-sizing: border-box;">下载我吧<br style="box-sizing: border-box;"></p></section><section style="margin-top: -2em; box-sizing: border-box;"><section style="width: 6px; height: 6px; float: left; margin-left: -3px; margin-bottom: -6px; border-radius: 100%; box-sizing: border-box;"></section><section style="width: 6px; height: 6px; margin-right: -3px; float: right; border-radius: 100%; box-sizing: border-box;"></section><section style="width: 100%; height: 2em; border-left-width: 1px; border-left-style: solid; border-left-color: rgb(74, 96, 101); border-bottom-width: 1px; border-bottom-style: solid; border-bottom-color: rgb(74, 96, 101); border-right-width: 1px; border-right-style: solid; border-right-color: rgb(74, 96, 101); box-sizing: border-box;"></section></section></section><section style="width: 0px; height: 2em; border-left-width: 1px; border-left-style: solid; border-left-color: rgb(74, 96, 101); margin: auto; box-sizing: border-box;"></section><section style="width: 9em; margin: auto; box-sizing: border-box;"><section style="width: 100%; height: 2em; border-left-width: 1px; border-left-style: solid; border-left-color: rgb(74, 96, 101); border-top-width: 1px; border-top-style: solid; border-top-color: rgb(74, 96, 101); border-right-width: 1px; border-right-style: solid; border-right-color: rgb(74, 96, 101); box-sizing: border-box;"></section><section style="width: 6px; height: 6px; float: left; margin-left: -3px; border-radius: 100%; box-sizing: border-box;"></section><section style="width: 6px; height: 6px; margin-right: -3px; float: right; border-radius: 100%; box-sizing: border-box;"></section></section></section></section></section></section><p><br></p>
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