Eaton Tripp Lite Series 1-Port RS-422/RS-485 USB to Serial FTDI Adapter with COM Retention (USB-B to DB9 F/M)
Eaton Tripp Lite Series 1-Port RS-422/RS-485 USB to Serial FTDI Adapter with COM Retention (USB-B to DB9 F/M) available through HTS.

Eaton Tripp Lite Series 2-Port RS-422/RS-485 USB to Serial FTDI Adapter with COM Retention (USB-B to DB9 F/M) available through HTS.