10FT Serial RS232 9-Pin DB9 Female to 25-Pin DB25 Male Molded Null Modem Cable | eBay
RS232 Null-Modem Cable DB09FF -- DataPro
StarTech.com StarTech.com Null-Modem Serial Cable - Extend your EGA monitor cable or mouse cable by 6ft - 6ft rs232 cable - 6ft db9 cable - 6ft db9 serial cable -6ft straight through
Amazon.com: StarTech.com 2m Black DB9 RS232 Serial Null Modem Cable F/F - DB9 Female to Female - 9 pin RS232 Null Modem Cable - 2 meter, Black (SCNM9FF2MBK) : Everything Else
Amazon.com: StarTech.com 10' RS232 Serial Null Modem Cable - Null modem cable - DB-9 (F) to DB-9 (F) - 10 ft (SCNM9FF) : Industrial & Scientific
Null modem - Wikipedia
BB-232NM9-Serial Cable, RS-232 Null Modem, DB9 F / F, 3.05 m / 10 ft
Crossover or "Null Modem" vs. Straight Through Serial Cable - Decisive Tactics, Inc.
Your Cable Store 25 Foot DB9 9 Pin Serial Port Null Modem Cable Female / Female RS232