No Ethernet cable is needed. The IP camera installs outdoors with 12 VAC power only.
不需要以太网电缆，IP相机安装到户外只需要一个12伏的电源。
It allows video feeds from four cameras to be transmitted to a remote designated location via a single structured cable while supplying the required camera power.
当其为摄像头供电时，可以将四个摄像头的视频资源通过一条结构电缆同时传输到远程指定位置，避免了长线传输中的电流损失。
The utility model relates to a box-type cable reel, which is used for a television camera shot, a field operation and other places where power supply needs connecting.
本实用新型涉及一种盒式电缆盘，用于电视摄像、野外作业和其它需要连接电源的地方。
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