C2G 52039 DB9 F/F Serial RS232 Null Modem Cable, Black (10 Feet, 3.04 Meters)
Tripp Lite P454-006 6 Feet Null Modem Gold Cable DB9M/F
StarTech.com 10 ft DB9 RS232 Serial Null Modem Cable F/M - Null modem cable - DB-9 (M) to DB-9 (F) - 10 ft - SCNM9FM
Cables to Go MG-Rated DB9 Low Profile Null Modem M-F
