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。

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According to the principle of power over Ethernet, the method of RS-485 bus power is applied to implement the transmission of 48 VDC and data signals via the same twisted-pair electric cable.

基于以太网供电原理，采用RS - 485总线供电方式，实现48 V直流能量与数据沿同一线对的叠加传输。

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There are several different kinds of technology, ranging from wired technologies that use standard Ethernet cable, power lines and home phone lines, as well as wireless technologies like Wi-Fi and Bluetooth, that might be appropriate for some applications, but not all.

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Each computer you want to network needs its own HomePlug box, with an Ethernet or USB cable running to the PC and a power plug connected to the wall.

FORBES: Magazine Article

Looks like a regular ol' USB plug will do the honors, and the IVL saps power from the TV while sipping internet off of an Ethernet plug, so added cable clutter will be fairly minimal.

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