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Amazon.com: TRENDnet USB to Serial 9-Pin Converter Cable, Connect a RS-232 Serial Device to a USB 2.0 Port, Supports Windows & Mac, USB 1.1, USB 2.0, USB 3.0, 21 Inch Cable Length,
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Amazon.com: Plugable USB to Serial Adapter Compatible with Windows, Mac, Linux (RS-232 / DB9 DTE Male Connector, Prolific PL2303HX Rev. D Chipset) : Electronics
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C2G 1.5ft USB to DB9 Serial Cable - RS232 Adapter Cable - Serial adapter - USB - RS-232 - blue | Dell USA
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