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28口二层千兆交换机 H3C S5130S-28P-EI成都2999元
产品总结:H3C S5130S-28P-EI可作为接入层交换机,为企业内部的计算机、打印机、IP 电话等设备提供千兆到桌面的网络连接,可用于连接教学楼、办公 ...
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一台交换机能带动多少网络摄像机?
接摄像机那端为接入层,一般用百兆交换机就够了,除非你在一个交换机上接了很多个摄像机。 汇集层、核心层则要按该交换机汇聚了多少路图像来 ...
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