MK763 DS3/E3－ASI network adapter is the special equipment for digital TV/Broadcasting head-end, receiving transmitting stream data(ASI interface) from MPEG-2 video server、multiplexer and so on, and adapting to 2 channels independent DS3/E3 output. Or it can input 1 channel of local DS3/E3 signal and then adapts to 2 channels of independent ASI output. It has local signal loop output interface.