... port DS2000 Series Fiber Optical Transmitter & ReceiverDS2000 Fiber Optical Transmitter & Receiver is a series of high speed digital transmitters and receivers ... surveillance.Main Features:Industrial grade design, Large Scale Specific Integrated Circuit, SMT technique,Digital transmission, video/audio, control signals, switching ... : 0~95% (No condensation). Digital Fiber Optic Transmitter and Receiver