DVOP series Digital video fiber transmitter & receiver possess core intellectual property rights, use special ASIC, adopt international most advanced Digital video and fiber transmission technique. DVOP series Digital video fiber transmitter & receiver can real time transmit up to 128channels video, 1-32channels (single-direction or bi-direction)data and audio and 1/0 and 1-4channels 10/100M Auto-adaptive Ethernet signal over one fiber with high quality. It is extremely flexible with the ability to add/drop video, audio, RS232/RS422/RS485, E1, 10/100M Ethernet ports via plugging in/out our field-proven service cards. It is used in high-end video surveillance fields widely. DVOP products process video by high-frequency digit, use uncompressed technique, avoid the adjustment trouble and low SNR and bad working stability of analog video transmitter and receiver. Supply broadcast standard video, hi-fi audio and high speed data transmition. It is easy to construct tree, star, ring and mix topology surveillance network and support more complex surveillance group network. DVOP products adopt modularization design, support expand functions, remote end equipment support 1+1 fiber link protection, can automatic isolate fault node to ensure other nodes working normally. Also, DVOP products support SNMP module to manage remote and local equipments. Analog signal and PAL, NTSC, SECAM etc signals Auto-compatible. Each video channel adopt 10bit digit coding, Baud rate is 0-2Mbps.Digital channel use gigabit transmission platform to transmit. Transmission distance of Standard type is 20KM, Max transmission distance is 120km without relay.