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Mini USB 2.0 to RS-232 DB-9 Serial Adapter w/ 15kV ESD Protection & 3ft. USB Extension Cable
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Aten USB to RJ45(RS232) Adapter cable
4 Port Professional RS-232 USB 2.0 to Serial Adapter
USB to RS232 Converter - 6ft - CAB-11304 - SparkFun Electronics
USB to RS232 DB9 Serial Adapter Cable - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com Mexico
USB to RS232 Adapter / Converter – CommFront
