StarTech.com 1 Port FTDI USB to Serial RS232 Adapter Cable Isolation - ICUSB2321FIS - Serial Cables - CDW.com
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StarTech.com ICUSB2322F USB to Serial Adapter - 2 Port - COM Port Retention - FTDI - USB to RS232 Adapter Cable - USB to Serial Converter - Newegg.com
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Amazon.com: CableCreation USB to RS232 Serial Adapter (FTDI Chip), 3.3 Feet USB to DB9 Female Converter Cable for Windows 10, 8.1, 8, 7, Vista, XP, 2000, Linux and Mac OS X, macOS, 1 Meter/Black : Electronics
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Amazon.com: CableCreation USB to RS232 Serial Adapter (FTDI Chip), 6.6 Feet USB to DB9 Female Converter Cable for Windows 10, 8.1, 8, 7, Vista, XP, Linux and Mac OS X, macOS, 2 Meters/Black : Electronics
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