Patent ID: 8582598

Claim:
A device for coupling a video signal onto, and for being powered from, a Local Area Network (LAN) cable concurrently carrying a power signal and a serial digital data signal over said LAN cable in a full-duplex communication, the device comprising: a LAN connector for connecting to the LAN cable; a video port for receiving a video signal; a LAN transceiver for communication in a full-duplex serial digital data signal over said LAN cable, the LAN transceiver being coupled between said LAN connector and said video port for transmitting the video signal in said serial digital data signal; a firmware and a processor executing said firmware, wherein said processor is coupled to said LAN transceiver for controlling said LAN transceiver; a power supply for voltage conversion coupled to said LAN transceiver and powered only from said power signal, the power supply connected for powering said LAN transceiver and said processor; a single enclosure housing said LAN connector, said video port, said LAN transceiver, said firmware and said processor; and a power/data splitter having first, second and third ports, said splitter being configured so that only the power signal is passed from said first port to said second port, and only the digital data signal is passed between said first and third ports, and wherein said power/data splitter is connected between said LAN transceiver, said power supply and said LAN connector, wherein said first port is coupled to said LAN connector; said second port is coupled to said power supply; and said third port is coupled to said LAN transceiver, wherein said device is addressable in the LAN.