... bi-directional audio channels, eight bi-directional data channels, four E1 channels and one 100M Ethernet over one single-mode or ... , Ethernet Status. Support 1/2/4/8 channels Video plus E1, Ethernet, Audio, Data, concentrative management. View the detailed information of ... -95% Non-Condensing 1-16 Channel Digital Video, Audio, Data, E1 and Ethernet Optical Multiplexer