The Moxa Europe A52 are general RS-232 to RS-422/485 converters designed for users who need to extend RS-232 transmission distance and increase networking capability.
ADDC (Automatic Data Direction Control) RS-485 data control Automatic baud rate 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)