System-S RS232 to RS485 Converter Adapter Serial Serial Data Adapter

Characteristics:
- Compatible with RS-232C, RS-485 standard EIA / TIA
- Operating mode: asynchronous, half duplex
- Transmission media: Pus, double wire or UTP or protection line
- Transmission speed: 300~115-21bds
- Transmission range: 5 meters (RS-232 end), 1200meters (RS-485 port)
- Voltage: 9 ~ 12V
- Working environment: -10 ~ 85 Celsius degree temperature, 0% ~ 95% relative humidity
- Signale: RS232: TXD, RXD , RTS, CTS , DTR, DSR, DCD , GND
- Signal: RS485: Date + , Date - , GND

Pin assignment table:
* DB9 socket (RS232C)
- 1 DCD
- 2 RXD
- 3 TXD
- 4 DTR
- 5 GND
- 6 DSR
- 7 RTS
- 8 CTS

* RS485
- 1 Datum -
- 2 Datum +
- 3 Blank
- 4 Blank
- 5 GND
- 6 + 12V

Box contents: RS232 to RS485 converter adapter