Video Optical Multiplexer/Converter all-digitally&non-compressingly transmit 4-CH ... Video Optical Multiplexer/ConverterFunctionCY-9804 series Digital Video Optical Converter is used for real-time, high-resolution, long-distance ... voltage, and static;7. Power supply with AC 220V, DC-48V, 24V, 12V, 6V, 5V available, and low power ... hours CY-9804V 4-Channel Video Optical Multiplexer/Converter