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
StarTech.com USB to Serial RS232 Adapter Cable with COM Retention 1' - ICUSB232PRO - USB Adapters - CDW.com
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USB to RS232 DB9 Serial Adapter Cable - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com Sweden
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Jansicotek USB to RS232 Adapter with Prolific PL2303 Chipset,Gold Plated USB 2.0 to RS232 Male DB9 Serial Converter Cable for Windows 10, 8.1, 8,7, Vista, XP, 2000, Linux and Mac OS, (3ft) - Newegg.com
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