- 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 (A53)
- Built-in 120-ohm termination resistors
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.