USB to RS485/422 4-Wire Adapter CANADUINO® | Computer Equipment | DigiKey Marketplace
Marshall Electronics USB to RS-485/RS-422 Converter CV-USB-RS485
8 Port Serial Hub USB to RS232 Adapter - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com
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
USB to RS-422/485 Converter FTDI CHIP w/ Terminals
StarTech 1-Port USB to RS-422/RS-485 Serial Adapter ICUSB422IS
USB to RS-422 Adapter W/Terminal Block Changer (FTDI CHIP)