***** **********Best Quality Guranteed. *****This is a fast and economical method of changing the gender on D type ports. Connect two female serial cables together, or convert a 9 pin female/male connection to a 9 pin male/female connection. *****1 Serial RS-232 Connection 2 DB 9 Adapter male/female to male/female*****3 Mini Gender Changer 4 Coupler Connector