الوصف

OB**-X-XD adopts CWDM, transmits nine to sixty-four line of high quality composite video, one to thirty-two line of duplex audio, or one to thirty-two line of duplex data or one to thirty-two line of contact closure signal or in any combination over one fiber; And it can be provided choice of one to four *0M/**0M Ethernet, one to four E1, one to eight line telephone, one to eight line AIPHONE intercommunication signal. Exceeded the RS**0C standard for SNR, DG and DP; Bandwidth reaching *0MHz, SNR≥*0dB; The video quality is independent of transmission distance in the allowable extent of optical power; *0 bit digital PCM video coding; Compatible with NTSC, PAL, SECAM; Range of up to **0Km is possible; Support OB standard network management system; Thirty-two RJ*5 ports at most with choice of plug-in interfaces in any combination; *4 bit digital audio, *5dB SNR; RS**2, RS**2, RS**5 or Manchester data; Data transmission rate DC~**6kbps; High-speed optical fiber digital transmission technology; Super optical dynamic range, 0Km is not saturated; Power supply, fiber link, data state indication.