StarTech.com USB to RS232/RS485/RS422 Industrial 4 Port Serial Hub Adapter - USB to Serial Converter - ICUSB234854I - USB Adapters - CDW.com
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Usb2.0 To Rs-485 Rs-422 Db9 Pin Female Com Serial Port Chip Pl2303 Isolated Usb To A Rs485 Usb Rs485 Rs422 Adapter Converter - Add On Cards & Controller Panels - AliExpress
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USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Support Windows 10, 8, 7, XP and Mac - Walmart.com
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