Share HM-C1-4V video multiplexer is tiny and able to realize 1-4channel video over fiber. 

1channel RS485 over fiber is also available for option.

• Monitoring center interconnect
• Intelligent Transportation System (ITS)
• Highway video monitoring system
• Toll station video monitoring system
• Exchange of television programs transmitted
• High-fidelity video conference system
• Security system

Video	RS485(option)
1-4channel videoConnector: BNC Signal format: PAL/NTSC/SECAM Impedance: 75Ω Bandwidth per channel: 8.192MHz Sampling frequency: 16.384MHz Digitization: 8bitsSNR: 67dB (typical)	1channel reversed RS485 for option Connector: terminal blockReceiver input sensitivity: maximum ±200mVReceiver output current, IO: ±10mA The maximum rate of transmitting and receiving: 200Kbps
Optical	LED indicators
Single fiber, SM, FC, 1310nm, 20km(Default) Customized optical specifications	Power: POW Optical line: LOF Video: 1-4RS485 data: TX, RX
Power	Environment
AC power Operating temperature: -20°C ~+70°C	Working temperature: -20~ 70℃ Storage temperature: -40~80℃ Relative humidity: ≤95%, non-condensing