PT series non-compress digital video fiber oe , 1-6 channels bi-directional data , or audio/data/contact closure signals in only one fiber. The data meet RS-232, RS-422, RS-ptics providing 10-bit PCM digital video encoding and 24-bit PCM digital audio encoding is compatible with PAL, SECAM and NTSC video formats, however, it can carry out 4 channels high resolution video with 1-16 channels simplex video ,1-8 channels bi-directional audio , 1-10 channels simplex data/contact closur485 and Manchester standards. This series fiber optics provides single mode or multi mode transmission and supports intelligent network management system. The panel provides status indicators of power, fiber channel, data and IP. This series features high reliability and high effective-cost long distance video transmission. Features Plug-in, standalone and standard design Plug and play Overloading protection Real time transmission 10-bit PCM digital video encoding 8MHz video band wild -3 dB, SNR 70dB 24-bit PCM digital audio encoding , SNR ≥ 82dB Audio 600 Ω balance/unbalance ; 10K Ω unbalance ; 47K Ω unbalance RS-232 , RS-422 , RS-485 , Manchester, DC to256kbps BNC connector High speed fiber digital transmission technology Wild dynamic rang, needn't adjustment in 0KM Power and fiber channel status indicator Exceeds RS250C short Haul specifications of SNR, differential phase, and differential gain. SMT technology Application Security & surveillance system High way surveillance/ communication system Smart building/Campus network system Electricity and waterpower surveillance system Television and broadcast system Intelligent transportation system Video teleconferencing Large-scale mine surveillance system