... provide transmission of sixteen independent video channels, eight bi-directional audio channels, eight bi-directional data channels, four E1 channels and ... . Support 1/2/4/8 channels Video plus E1, Ethernet, Audio, Data, concentrative management. View the detailed information of power supply ... oCHumidity: 0-95% Non-Condensing 1-16 Channel Digital Video, Audio, Data, E1 and Ethernet Optical Multiplexer