Convert an RS-422 or RS-485 DB 9 male serial connector to a terminal block connectorThe DB92422 DB 9 to Terminal Block adapter converts an RS-422 or RS-485 DB 9 male serial connector to a terminal block connector.The 5-pin 3.5mm Terminal Block connector supports screw-type wiring to meet the standard for industrial wiring applications.Backed by Lifetime warranty.The StarTech.com Advantage- 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