Data transmission system
Series 500I is a frequency-modulated fiber-optic video, duplex audio and data system on one fiber. Data formats include Genlock, Manchester, RS-232D and RS-422A. Multimode versions employ 850/1330-nm LEDs. Laser singlemode versions meet RS-250C medium-haul, including 7-MH¥video bandwidth, greater than 60-dB signal-to-noise ratio at 25 km, 36-dB optical budget and 25-dB optical dynamic range.