“hi sir, when I open the box with the 4 camera - 4k POE .. i saw it has one internet jet and another one —> do i need to connect another one beside the Ethernet cable? Is the another for voice/audio? It’s confusing the spec doesn’t say what’s it for?”
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Hi Fung. You will only need to connect the ethernet cable between each camera and the back of the NVR. The ethernet cable is capable of carrying Power, Video and Audio over the same cable. You can ignore the second connection coming out of the camera cable, it is an optional DC power input port but most people don't use it or need it. -SD, Swann team.
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