1. Support cs1w cif31 operating system, Windows2000/XP /WIN7( WinNT4/95/98/Me/DOS don’t support PLC communication) 2. Compatible USB V1.1 and USB CDC V1.1 standard 3. USB bus power supply, consumption current 50mA 4. Baud rate: 300bps ~ 1Mbps, it will adapted automatically 5.Support UART data format, data bit: 7, 8 Stop bit: 1,2 Verify bit:odd/even/no parity 6. Working Temperature: -20 ~ +75 ℃