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Amazon.com: DSD TECH SH-U11 USB to RS485 RS422 Converter with FTDI FT232 Chip Compatible with Windows 10, 8, 7, XP and Mac OS X : Electronics
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USB 2.0 to RS-232 / RS-422 / RS-485 Selectable Industrial Serial Adapter w/ 15kV ESD Surge Protection - Coolgear
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