MOXA A53-DB9F w/o Adapter RS-232 to RS-422/485 Converter

  • ADDC™ (Automatic Data Direction Control) RS-485 data control
  • Automatic baudrate detection
  • RS-422 hardware flow control: CTS, RTS signals
  • LED indicators for power and signal status
  • RS-485 multidrop operation, up to 32 nodes
  • 2 kV isolation protection
  • Built-in 120-ohm termination resistors

  • Brand: MOXA
  • Product Code: A53-DB9F w/o Adapter


The A52 and A53 are general RS-232 to RS-422/485 converters designed for users who need to extend RS-232 transmission distance and increase networking capability.

You can place an order for the MOXA A53-DB9F w/o Adapter RS-232 to RS-422/485 Converter, which is applicable in the Factory Automation industry, online via one of our Middle East branches (Dubai/ Oman/Saudi Arabia) and get it delivered at a low cost at a specific time.


RS-232 port specifications
Serial connection type RJ-45
Signal Tx, Rx, DTR, DSR, RTS, CTS, DCD, GND
RS-422/RS-485 port specifications
Serial connection type RJ-45 and 5 terminal inputs
Signal TxD+, TxD-, RxD+, RxD-, GND, Data+, Data-, GND
RS-485 Flow Control ADDC, RTS, CTS
Converter Specifications
Data transfer speed ( Baudrate ) 0.05Kbps to 230.4Kbps
Protection against electrostatic discharge 25KV
Electrical isolation 2KV
Power Requirements
Type of power input 2 terminal input
Input Power 9V AC to 30V AC, 0.35A
Power Consumption 9V DC, 0.285A
Protection against reverse voltage
Protection against overflow : Protection against two short signals
Physical Characteristics
Dimensions 90x60x21mm
Standards and Certifications FCC Class A, CE Class A
Housing ABS
Operating Temperature 0 to 55 ° C
Storage Temperature -20 to 75 ° C
Operation Humidity 5% to %95 RH non-condensing
Weight 0.085Kg