1. Serial port feature: concurrently compatible with RS-232C, RS-485 standard of EIA/TIA.
2. Electric interface: DB9 hole interface of RS-232 end, DB9 pin connector of RS-485 end, compatible with post (5 connection).
3. Work methods: asynchronous half duplex.
4. Transmission media: common wire, double wire or UTP or shielding line.
5. Transmission speed: 300~115~21BDS.
6. Transmission distance: 5 meters(RS-232 end) 1.200 meters(RS-485 end).
7. RS232 Adapter work environment: -20 degree C to 85 degree C, relative humidity: 5% to 95%.
8. RS485 Converter signals: D+/A D-/B GND +5V-12V
