Tripp Lite 5ft USB to Serial Adapter Cable USB-A to DB9 RS-232 M/M 5' - serial adapter - USB - RS-232 - U209-000-R - USB Adapters - CDW.com
Keyspan RS232 to USB-A Adapter, DB9, 3-ft Cable | Eaton
Ideal Vacuum | Ideal Vacuum XactGauge XG-120/XG-120E Thermocouple Vacuum Gauge, RS232 Serial to USB Cable Connectivity Kit
USB to RS232 Adapter / Converter – CommFront
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
Plugable USB to Serial Adapter Compatible with Windows, Mac, Linux (RS-232DB9 DTE Male Connector, Prolific PL2303HX Rev. D Chipset) - Newegg.com
C2G 1.5ft USB to Serial Cable USB to DB9 Serial RS232 Cable MM Convert a DB9 RS232 serial device to USB great for PDAs digital cameras and many other peripherals - Office
Insignia™ 1.3' USB-to-RS-232 (DB9) PDA/Serial Adapter Cable, with Prolific Chipset Black NS-PU99501 - Best Buy