StarTech.com GC9SF Slimline DB9 Serial Gender Changer, F/F, Serial Gender Changer, DB-9 (F) to DB-9 (F)

StarTech.com Slimline DB9 Serial Gender Changer - F/F - Serial gender changer - DB-9 (F) to DB-9 (F) - GC9SF

StarTech.com Slimline Serial DB9 Gender Changer - M/M - Serial gender changer - DB-9 (M) to DB-9 (M) - GC9SM, Silver

StarTech.com 10' RS232 Serial Null Modem Cable - Null modem cable - DB-9 (F) to DB-9 (F) - 10 ft (SCNM9FF)