Null Modem Cable Serial RS232 9 Pin DB9 Male to Female Gender Changer Lead UK 8944849703093 | eBay
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 serial
DB9 Male to DB9 Male Null Modem Cable - 6 FT | ShowMeCables.com
Crossover or "Null Modem" vs. Straight Through Serial Cable - Decisive Tactics, Inc.
6ft (1.8m) DB9 F/F Serial RS232 Null Modem Cable - Black | Serial RS232 | Computer Cables | USB and PC
3ft (0.9m) Serial RS232 DB9 Null Modem Cable with Low Profile Connectors M/M - In-Wall CMG-Rated | Serial RS232 | Computer Cables | USB and PC