1- 1 Channel Digital Video Optical Multiplexer Converter 2- Optical WDM 3- ethernet, analog, switch ... most cost-effective solution for transmission of 1,2,4,8,16 channel uncompressed digital video, 1,2,4 reversed stereo audio and 1reversed ... -422/RS-485Connector: RJ45 or Terminal Block with Screw Clamps Video Optical Multiplexer 1 channel Digital Video Optical Multiplexer , Video Optical Converter