RS232 to RS485 Interface Serial Adapter

Chipset: STM485-C

Compatible with EIA/TIA RS232 & RS485 standard.
It can convert RS-232 signal to RS-485 balanced differential signal .
It uses a particular pump to gain power from RS-232 signal, without initializing the RS-232 series interface.
The RS-232 interface is DB9 female connector.
The RS-485 interface is with DB9 male connector with optional terminal board.

SKU: W4-3.2

Out of stock

30.00 inc. VAT

Out of stock


  • Transmission rate: 300 – 115200bps
  • Communication protocal: Transparent
  • RS-485 signal: Date+, Date-, GND
  • RS-232 signal: TXD, RXD, RTS, CTS, DTR, DSR, DCD, CND
  • Transmission distance: RS-485 (max. 1200m); RS-232 (max. 5m)
  • Working mode: asynchronous, half-duplex, differential transmission
  • Transmission media: common wire, double wire, UTP or Shielding Line.
  • Working environment: -10 ~ 85°C
  • Relative humidity: 5% – 95%