6 Feet AT Modem Serial Cable (DB9 Female to DB25 Male) - Micro Connectors, Inc.
StarTech.com 3ft (1m) USB to Serial Cable, DB9 Male RS232 to USB Converter, USB to Serial Adapter, COM Port Adapter with Prolific IC, 1 (Quantity) - Walmart.com
Amazon.com: StarTech.com 1m Black Straight Through DB9 RS232 Serial Cable - DB9 RS232 Serial Extension Cable - Male to Female Cable (MXT1001MBK) : Electronics
3ft. Male to Male DB9 Serial Data Cable w/Molded Shielded Cable
Heavy Duty D-sub Cable, DB9 Male / Female, 25.0 ft
Serial Cable DB9 Male to DB9 Female, 6 foot length, RoHS - OCP Group Inc.
Amazon.com: StarTech.com 1m Black DB9 RS232 Serial Null Modem Cable F/M - DB9 Male to Female - 9 pin Null Modem Cable - 1x DB9 (M), 1x DB9 (F), Black (SCNM9FM1MBK) : Electronics