StarTech.com DB9 RS232 Serial Null Modem Adapter - F/F - Null modem adapter - DB-9 (F) to DB-9 (F) - NM9FF
The NM9FF Null Modem Adapter features two DB9 female connectors - a cost-saving way to convert a straight through cable into a null modem cable. The DB9F Null modem cable adapter is backed by lifetime warranty and free lifetime technical support.