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Amazon.com: Tripp Lite Keyspan High-Speed USB to Serial Adapter, PC & Mac, USB-A to DB9 RS232 Male, 3 Foot / 0.91 Meter Cable, 3-Year Warranty (USA-19HS) : Electronics
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StarTech.com 1 Port FTDI USB to Serial RS232 Adapter Cable with COM Retention - Add an RS232 serial port with COM retention to your laptop or desktop computer through USB - USB
StarTech 1 ft. DB-9 Male Serial To Type A Female USB Adapter Cable With COM Retention, Black | Staples
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