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2 Port USB to RS232 Serial Adapter Cable - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com
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2 Port USB 2.0 to Serial Adapter Hub - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com Europe
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Amazon.com: DTECH 10 Feet USB 2.0 to RS232 DB9 Serial Port Adapter Cable with FTDI Chipset Supports Windows 11 10 8 7 and Mac Linux : Electronics
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2-Port USB 2.0 to RS-232 DB-9 Serial Adapter w/ 15kV Surge Protection & 3 ft. USB Extension Cable - Coolgear
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