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USB 2.0 to RS485 2-Wire Converter - Terminal Block, 1-Port

The USB to RS485 two wire converter allows you to connect a non-USB RS485 2-wire Terminal Block device to your USB bus.

Item #:  USB 2.0 to RS485 2-Wire Converter - Terminal Block, 1-Port


Call 1-800-667-6625 for pricing and to place order.
Please Note: Once ordered, this product cannot be cancelled or returned for credit.
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*Price excludes GST

Product Features

  • Use legacy serial devices with PC and laptop USB ports.
  • Add a COM port to your PC or laptop.
  • Supports USB 1.0, 1.1, and 2.0 (12 Mbps).
  • Powered from the USB interface
  • RS485 baud rates up to 921 Kbps.


  • Powered from the USB interface.
  • Includes 3-ft. (0.9-m) USB cable.

  • USB is the connectivity standard for today's PCs, replacing familiar serial ports. However, many commercial and industrial devices still use RS-232, RS-422, or RS-485 interfaces. To connect these devices to modern PCs, you need simple and reliable converters.

    The Black Box Mini USB-to-Serial Converter offers USB-to-serial conversion in a space saving package. Simply plug the converter into an available USB port on your computer or USB hub and install the drivers supplied on CD ROM. The serial device will show up as an additional COM port in the Windows Device Manager.

    RS-485 (two- and four-wire)
  • Support TDA, TDB, RDA, RDB, and GND.
  • Baud rates up to 921 Kbps.
  • Use on RS-485 2-wire or RS-422/485 4-wire networks.
  • Support Send Data Control (SDC).

  • RS-232
  • Full handshake support (TD, RD, RTS, CTS, DTR, DSR, DCD, RI, GND).
  • Baud rates up to 460 Kbps.

  • Tech Specs

    * Technical specification weight is the unit weight. It is not the packaged shipping weight. For shipping weight, please contact Black Box customer service at 1-800-667-6625.



    Double Diamond Warranty Diamond

    Double Diamond™ Warranty (Standard)

    Take the risk out of equipment purchases with the Double Diamond™ Warranty from Black Box Network Services.

    The Double Diamond Warranty is our no-questions-asked warranty that protects your Black Box® brand products* from accidental damage, including drops, water, and power surges.

    During the warranty period, Black Box Network Services will repair or replace your damaged equipment within one week of receipt at NO CHARGE!

    Plus, get an Extended Double Diamond Warranty.

    You can also extend your warranty or protect a previously purchased Black Box® brand product* for an additional year—for only 10% of the purchase price! Or, extend your coverage for a full three years for only 20% of the purchase price!

    Ordering an extended warranty is easy: When viewing a product in your shopping cart, just select the one or three years of additional coverage in the dropdown menu under “Warranty Options.” For details, contact Customer Service at 787-767-3500.

    ** Certain products may not be eligible.

    What’s more, we also have a 45-day, no-questions-asked return policy. Simply call Customer Service for a Return Authorization (RA) number, return your product in new condition and in the original package, and receive a full refund.


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