Tripp Lite Keyspan High Speed USB to Serial Adapter - serial adapter - USB - RS-232 - USA-19HS - USB Adapters - CDW.com
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
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
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Amazon.com: C2G Legrand USB to DB9 Serial Adapter Cable, Adapter Cable, USB to Desktop Adapter, 1.5 Foot Adapter Cord, Gray, 1 Count, C2G 26886 : Electronics
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