6FT USB 2.0 A Male To RS232 DB9 9Pin Female Serial Cable Adapter Converter Cord | eBay
USB to RS232 Converter - 6ft - CAB-11304 - SparkFun Electronics
RS232 DB9 9 Pin Female to USB 2.0 A Male PLC Serial Cable for Vigor VB VH 1.8m | eBay
1 Port USB 2.0 to Serial Adapter Cable - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com
Mettler Toledo RS232 to USB Converter Cable for XPR Microbalances and Ultra-Microbalances | Fisher Scientific
Amazon.com: CableCreation USB to RS232 Adapter with PL2303 Chipset, 6.6ft USB 2.0 Male to RS232 Female DB9 Serial Converter Cable for Cashier Register, Modem, Scanner, Digital Cameras, CNC,Black : Electronics
Rocstor Premium 5ft 1 Port USB to Null Modem RS232 DB9 Serial DCE Adapter Cable with FTDI
USB to RS232 DB9/DB25 Serial Adapter - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com