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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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3' USB to RS232 DB9 Serial Adapter Cable - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com
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Buy RS232 USB to RS232C Serial Port Adapter - CNC Specialty Store
USB to RS-232 Serial Adapter DB9 - 8 Inch Short Cable