... fiber optical transmitter, video optic transceiver 1/2/4/8/16 &1-128Channel Digital Video, Audio ... Video transmitting Status, Ethernet Status. Support 1/2/4/8 channels Video plus E1, Ethernet, Audio, ... RJ45Auto-negotiation with half/full duplexChannel: 4Rate:2.048Mbps ±50ppmConnector: BNC (75ohm)Physical Dimensions: ... ~+85 oCHumidity: 0-95% Non-Condensing 1/2/4/8/16 &1-128Channel Digital Video, Audio, ...