Performance parameters
1) serial port characteristics: access products compatible with EIA / TIA RS-232C, RS-485 standard
2) Electrical Interface: RS-232C terminal DB9 female connector, RS-485 DB9 pin connector end with terminal
3) Working mode: asynchronous half-duplex
4) transmission media: general line, twisted pair or shielded cable
5) Transfer rate: 300-115200BPS
6) Transmission distance: 5m (RS-232 terminal) 1200m (RS-485 terminal)
7) Communication Protocol: Transparent
8) Working environment: -10 °C to 85 °C Relative humidity: 5% to 95%
9) Signal: RS-232: TXD, RXD, RTS, CTS, DTR, DSR, DCD, GND