... Video Conferencing Camera 2. 10x Optical zoom 3. RCA or S-Video,VISCA Protocol 4. P/T/Z Movement 5. ... 232C for 2nd camera controlUSB Interface, RCA Video output, and S-VIDEO, Support VISCA Control Protocol 3. High Speed DomePan speed ... 2-42.0mm,F1.8-F2.9Video OutputVIDEOVBS1.0Vpp at75ohm;S-VIDEOControl DecoderBuilt-inCommunicationEIA/RS-422EIA/RS-232BidirectionalPTZ Control ProtocolVISCABaud Rate2400 ...