USB to RS-422/485

USB to RS422 and USB to RS485 are both serial protocol converters using a DB-9 series connector in combination with USB Type-A host for signal conversion. Both protocols can bring point to point and Multi-dropped connections with USB to RS-485 having a maximum of 32 loads and USB to RS-422 a maximum of 10. Add our USB serial converters to your list of must have adapters for your COM port devices.

Showing all 3 results

  • Pro 5ft. USB to RS-422 / RS-485 Converter w/FTDI Chip
    Model #: US-485422


    In stock

  • USB to RS-422/485 Converter FTDI CHIP w/ Terminals
    Model #: USA-482422


    In stock

  • USB to RS485 RS422 Optically Isolated Serial Adapter

    USB to RS485 | RS422 Optically Isolated Industrial Serial Adapter
    Model #: US-422i


    In stock

Based in the U.S., our friendly staff is ready to help you with any questions you may have.

+1 (727) 209-1300
Mon - Fri: 9 AM - 5 PM EST


+1 (888) 688-2188
Mon - Fri: 9 AM - 5 PM EST

Resource Center
Find helpful links, articles, and learning resources.

Quotes & Volume Pricing
Contact our sales team for quotes or quantity pricing.

Returns & Claims
Begin the return process and fill out an RMA form.

Downloads & Drivers
Find drivers & downloads for Gearmo products.