AF-S485 Communication converter RS232 to RS485 SpecificationsPLC accessories--RS232/RS485 converter AF-S485PLC,Programmable logic controller,Programmable controller,plc simulator AF-S485RS232/RS485 converter(DIN installation) PLC accessories--RS232/RS485 converter AF-S485This interface is the connector between RS232 and RS485 (DIN installation). AF-S485 Communication converter RS232 to RS485