RS232 to RS485 Data Communication Converter Adapter Black
Made of plastic material of good quality and finished by good technology.Drived by RS-232 electric charge pump and don't need outer power supply.TheRS232 to RS485 Converteris compatible with RS232/RS485 standard of EIA/TIA.TheRS232 to RS485 Convertercan be used for bus charge, parking system or IC card system.