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The USB to RS232 converter allows you to connect a non-USB RS232 DB9 device to your USB bus.


1010 In Stock
Same Day Shipping (before 5PM ET)
Extended Double Diamond™ Warranty Available (3 Additional Year)

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Product Features

  • Connect non-USB devices, such as modems, printers, and GPS devices, to a USB 1.1-compliant PC.
  • Connection for RS-232 peripherals on DB9 male connectors.


  • Compatible with Windows® 98/SE/Me/XP/2000/7/8.
  • Data-transfer rates from 300 bps to 115.2 kbps.
  • Differential and bidirectional access.
  • Software drivers are included.
  • A USB Solo with a DB25 connector (IC138A-R3) is also available.

  • This product works with:
  • USB Version 1.1 Cables (USB01)
  • Questions? Contact our FREE Tech Support.

    Tech Specs

    Approvals CE
    Connectors (1) USB Type A, (1) DB9 M
    Dimensions 0.7"H x 1.3"W x 2.3"D (1.8 x 3.3 x 5.8 cm)
    Distance 16.4 ft. (5 m) maximum
    Power From the interface
    Standards USB 1.1
    Weight 0.1 lb. (<0.1 kg)
    This product works with: USB Version 1.1 Cables (USB01).

    * Technical specification weight is the unit weight. It is not the packaged shipping weight. For shipping weight, please contact Black Box customer service at 877-877-2269.



    Double Diamond Warranty

    Extended 1 Year Warranty Available

    Protect your purchase with an additional 1 Year Double Diamond™ warranty!
    Cost: $3.50

    Extended 3 Year Warranty Available

    Protect your purchase with an additional 3 Year Double Diamond™ warranty!
    Cost: $6.99


    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 warranty that protects your Black Box® brand products* from accidental damage, including drops, water, and power surges.

    The USB TO RS232 CONVERTER DB9 1 PORT comes with a standard 1 Year Double Diamond™ Warranty (Standard) already included.

    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 724-746-5500.

    * Warranty subject to certain exclusions and limitations ** Certain products may not be eligible.

    What’s more, we also have a 45-day 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.