1.signal transmission of Ethernet 2.network management 3.RS485, RS232,RS422 Data transmission 4.1CH Optical Fiber Transceiver 1CH Video Fiber Optic Transceiver All transmission over one fiber 8 bits digitally encoded video transmission Color image signal High quality real-time transmission 10 Hz -24 kHz voice bandwidth Auto compatible with PAL, NTSC & SECAM Wide optical dynamic range and free of ...