Description Product Reviews RS232 RS422 RS485 Serial DB9 to Terminal Block Adapter Terminal Block adapter converts an RS-422 or RS-485 DB 9 male serial connector to a terminal block connector. Features/Specs: Converts a DB9 male RS422/485 port to a 5 pin terminal block Supports four wire RS422, RS485, and two wire RS485 modes Supports 3.5mm 5 pin terminal blocks Pinout: TX- D-/B TX+ D+/A RX+ RX- GND 5~12V 0 Reviews Hide Reviews Product Reviews