Detailed Product Description Video Multiplexer, Digital Multiplexer,color video multiplexerFunctions:Transfer 1-4 SD-SDI or digital video signalCompound transmitter, receiver, and repeaters into one Optical input or power input optional There will be 2 SDI/ASI local loops when work as a transmitter and 2 SDI/ASI port as a receiver.Features1Conform with SMPTE259M,SMPTE297M,SMPTE310, ...