Video Optic Transmitter FC/SC Port 20KM, 40KM , 60KM,80KM Single Fiber Factory Price Video Optic TransmitterFeatures:* Uncompressed video, 8-bit / 10-bit digital encoding/decoding * Easy ... channel simplex / duplex* Data interface: RS-232, RS-422 (full duplex), RS-485 (2/4 lines), Manchester,Biphase* Bit rate: 0-300Kbps ...