... , 6V, 5V available, and low power consumption;8. Stand-alone unit and 1U/2U/4U rack mount available;9. High stability ... /output PWL 2VpFrequency Width 20Hz~20KHzSampling Frequency 48KHzData ParameterData TypeRS-232, RS-485/422, Manchester, BiphaseCommunication SpeedDC~300KbpsWork ModeFDX/semiduplexError Code Rate ...