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RS422 RS485 USB Serial Cable Adapter - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com
Tripp Lite USB to RS485/RS422 FTDI Serial Adapter Cable with COM Retention ( USB-A to DB9 M/M), 30 in. - USB / serial - U209-30N-IND - USB Adapters - CDW.com
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