StarTech Serial Cables 10ft/3m. DB9 RS232 Serial Null Modem Cable F/M | eBay
The RS232 Standard
StarTech.com 2m Black DB9 RS232 Serial Null Modem Cable FM 2m DB9 Null Modem Cable DB9 Male to Female Cable RS232 Null Modem Cable 9 pin Null Modem Cable 2 m Male
Black Box Rs232 Shielded Null Modem Cable - Metal Hood, Db9 Female/female, 6-ft. (1.8-m) (EYN257T-0006-FF) | OfficeCrave.com
StarTech.com 2m Black DB9 RS232 Serial Null Modem Cable FM 2m DB9 Null Modem Cable DB9 Male to Female Cable RS232 Null Modem Cable 9 pin Null Modem Cable 2 m Male
Null modem - Wikipedia
wilbo666 / RS232
StarTech.com USB to Serial RS232 Adapter - DB9 Serial DCE Adapter Cabl – Dealtargets.com