StarTech.com DB9 RS232 Serial Null Modem Adapter - M/F
StarTech.comCost-effective way of converting a straight through cable into a null modem cableThis Null Modem Cable Adapter features one DB9 male and one DB9 female connector - a cost-saving way to convert a straight through cable into a null modem cable.The DB9F Null modem adapter is backed by lifetime warranty and free lifetime technical support.