Technology Information Pages
Testing the RS232 to RS485 / RS422 DB 9 Converter
The RS232 to RS485 / RS422 converter is similar the its 25-pins cousin, the only difference is that his RS485 converter has a 9-pin connector. It has both RS485 and RS422 conversion features. The standard DB9 connector is useful when using any type of new and old serial RS485 device.