If you are working in the serial communications domain, The 3 combos 9 pin gender changer is ideal to make the coupling connection when running data cables. RS232 male to male gender changer M/M converts DB9 female to DB9 male plug; RS232 male to female connector M/F is used as a port saver or to connect existing cables together RS232 female to female mini gender bender F/F converts DB9 male to DB9 female socket.
