25ft Cmg-Rated Db9 Low Profile Null Modem F-F
Belkin Snagless CAT5E Patch Cable * RJ45M/RJ45M; 7 ( A3L791b07-S )
StarTech.com 10' RS232 Serial Null Modem Cable - Null modem cable - DB-9 (F) to DB-9 (F) - 10 ft - SCNM9FF
C2G / Cables to Go
StarTech.com DB9 RS232 Serial Null Modem Cable F/F DB9 Female to Female 9-Pin RS232 Null Modem Cable, 1-Meter, (SCNM9FF1MBK)
StarTech.com 10 ft Cross Wired DB9 to DB25 Serial Null Modem Cable - F/M - Null modem cable - DB-9 (F) to DB-25 (M) - 10 ft - SCNM925FM