... RS485/422 Optional, fiber optical transmitter, video optic transceiver 1/2/4/8/16 &1-128Channel Digital Video, Audio, Data, ... of sixteen independent video channels, eight bi-directional audio channels, eight bi-directional data channels, four E1 channels and one ... Local and Remote Video transmitting Status, Ethernet Status. Support 1/2/4/8 channels Video plus E1, Ethernet, Audio, Data, concentrative ...