Specification :
OB9231DT/OB9231DR
Four Channel Digital Video
Provide choice of simplex/ duplex audio/ data/ contact closure; 10/100M Ethernet, E1, telephone, AIPHONE intercommunication
OB9231DT/OB9231DR can transmit four line of high quality composite video, one to six line of duplex audio, or one to four line of duplex data or one to four line of contact closure signal or in any combination over one fiber, and it can be provided choice of one to four 10M/100M Ethernet, one to four E1, one to eight line telephone, one to eight line AIPHONE intercommunication signal.
Exceeded the RS250C standard for SNR, DG and DP
Bandwidth reaching 10MHz, SNRe70dB
The video quality is independent of transmission distance in the allowable extent of optical power
10 bit digital PCM video coding
Compatible with NTSC, PAL, SECAM
Range of up to 120Km is possible
Support OB standard network management system
Two RJ45 ports with choice of plug-in interfaces in any combination
24 bit digital audio, 85dB SNR
RS232, RS422, RS485 or Manchester data
Data transmission rate DC~256kbps
High-speed optical fiber digital transmission technology
Super optical dynamic range, 0Km is not saturated
Power supply, fiber link, data state indication
SMT
Rack-mount, stand-alone, 19 inches 1U chassis.