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StarTech.com - ICUSB2321X - USB to Serial RS232 Adapter Cable w/ COM Retention - USB Serial Adapter - Allied Electronics & Automation, part of RS Group
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StarTech.com 3ft (1m) USB to Serial Cable, DB9 Male RS232 to USB Converter, USB to Serial Adapter, COM Port Adapter with Prolific IC, 1 (Quantity) - Walmart.com
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Amazon.com: Plugable USB to Serial Adapter Compatible with Windows, Mac, Linux (RS-232DB9 Female Connector, Prolific PL2303HX Rev. D Chipset) : Electronics
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Amazon.com: USB to RS232 Serial Adapter (FTDI Chip), CableCreation 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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