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RS422 RS485 USB Serial Cable Adapter - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com
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1 Port USB to Serial RS422/485 Adapter - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com
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Amazon.com: ATEN USB to RS422 RS485 2 Port Plug-and-Play Adapter Converter UC485, up to 921.6 Kbps, Supports Windows Vista / 7 and Above, Mac and Linux, Terminal/Echo Mode by Mode, UK, 1
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