... Optical Multiplexer/ConverterFunctionCY-9808 series Video Digital Optical Converter is used for long-distance, real-time and ... —1310nm/1550nm;Unique lightning surge protection design—3 interface chips protect High voltage, Low voltage, and ... Width 20Hz~20KHzSampling Frequency 48KHzData ParameterData TypeRS-232, RS-485/422, Manchester, BiphaseCommunication SpeedDC~300KbpsWork ModeFDX/semiduplexError ...