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。
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48V直流能量与数据沿同一线对的叠加传输。
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48V直流能量与数据沿同一线对的叠加传输。
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