STM485C RS232 to RS485 Data Serial Converter Adapter with Terminal Block

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Widely used in industrial automation, door safe, all-in-one-card, car parking, ATM, bus charge...


  • Convert single port RS-232 to balanced RS-485 differential signal and extend the communication distance up to 1.2 kilometers.
  • A built-in data direction auto-turnaround feature automatically enables the RS-485 driver when data is present from the RS-232 port, eliminating the need for software drivers, and making the device fully plug-and-play.
  • The STM485C has a db-9 female connector on the RS-232 serial port, and db-9 male connector on the RS-485 port.
  • A separate terminal block is included with the product. The terminal blocks plugs into the RS-485 port, providing screw-lug wire terminations for the port.
  • The unit is enclosed in a rugged ABS housing, and is powered from the RS-232 data lines; no external power is required.


Interface RS232 side DB9 female connector
Interface RS485 side DB9 male connector with optional (included) terminal board
Transmission rate 300 - 115200bps ( RS485 Communication Converter is capable of applying between host computers, host computer and its external equipment and forms point to point, point to multi-points network. )
Transmission distance RS485 Max. 1200m, RS232 side Max. 5m
Working mode Asynchronous, Half-Duplex, Differential Transmission
Working environment -20 ~ 70°C, relative humidity 5% - 95%
Mechanical dimensions 95mm x 33mm x 17mm
Weight 80g
More Information
SKU ZP302007051344
Color White
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