Amazon.com: DTech DB9 RS232 Serial Cable Male to Female Extension Null Modem Cord Cross TX RX line for Data Communication (15 Feet, Black) : Electronics
StarTech.com USB to Null Modem RS232 DB9 Serial DCE Adapter (ICUSB232FTN)
Null Modem Cable, DB9 Male to DB9 Female, UL rated, 8 Conductor, 10 foot - Walmart.com
10ft DB9 M/F Null Modem Cable
25ft Null Modem Cable DB9 Male to DB9 Female - UL Rated
DB9 Male to Male NULL Modem Gender Changer RS232 to RS232 - PLCCable.com - Automation Supplies and PLC Tools
3ft (0.9m) Serial RS232 DB9 Null Modem Cable with Low Profile Connectors M/F - In-Wall CMG-Rated | Serial RS232 | Computer Cables | USB and PC
038-003-084 EMC Null Modem Micro DB9 to DB9/F Serial Cable – 25 Feet – SPS Pros
High-quality, high-performance data-comm products that supercharge profits - Null Modem Adapter for Serial Cables - DB9 Male to Male
10 Foot DB9 Female / DB25 Male Null Modem Serial Cable RS232
Null Modem DB9 Female to Female - 28 AWG PVC Jacket - Serial Data Cabl - Custom Cable Connection