... channels, eight bi-directional data channels, four E1 channels and one 100M Ethernet over one ... .Support 1/2/4/8 channels Video plus E1, Ethernet, Audio, Data, concentrative management.View ... 1-128 Channel Digital Video, Audio, Data, E1 and Ethernet Optical Transmission Verified Information This information ... 2049/12/31 CE TUV AN 50058285 0001 Protocol Interface Converter & F5-4511; F5-4511V 2005/03/17 ...