Cheap converter adapter, Buy Quality pin adapter directly from China d-sub 9 Suppliers: 50pcs / lots D-Sub 9 PIN RS-232 Female to RS-485 Adapter Interface Converter , By UPS Fedex DHL
D-Sub 9 PIN RS-232 Female to RS-485 Adapter Interface ConverterIt is able to convert RS-232 signal to RS-485 balanced differential signal .It uses a particular pump to gain power from RS-232 signal , without initializing the RS-232 series interface.This interface converter does this without requiring any AC or DC power Packing include:50pcs x RS-232 to RS-485 Adapter