... 422 Optional, fiber optical transmitter, video optic transceiver 1/2/4/8/16 &1-128Channel Digital Video, Audio, Data, E1 and ... base information, Local Video Control, Local and Remote Video transmitting Status, Ethernet Status. Support 1/2/4/8 channels Video plus E1, Ethernet, ... 85 oCHumidity: 0-95% Non-Condensing 1/2/4/8/16 &1-128Channel Digital Video, Audio, Data, E1 and Ethernet Optical Transmitter ...