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Universal RS-232 to RS-422/485 Bidirectional Converter

The handy device for multiple serial conversions.

Price: $127.25

Extended Double Diamond™ Warranty Available (3 Additional Year)

Product Features

  • Converts RS-232 to 4-wire RS-422 or to 2- or 4-wire RS-485.
  • Bidirectional data conversion.
  • Details

  • Enables you to select RS-485 2-wire half-duplex or RS-485 4-wire full-duplex operation.
  • Selectable RS-422 operation with transmit and receive always enabled.
  • Automatic RS-485 driver control, so it works without any special programming for handshaking signals. Also enables transmitter from RS-232 TD signal and receiver when not transmitting.
  • Built-in bridging switches for 2- or 4-wire operation with no external jumpers to set.
  • Set operating mode with four switches.
  • Converts using either port power or power from an external 120-VAC/12-VDC power supply (sold separately).
  • No external power is required if two RS-232 output handshake lines are available.
  • Tech Specs

    This product works with:
  • Category 3 Solid Bulk Cable (EYN712A)
  • DB9 PockeTester (TS500A-R2)
  • 120-VAC/12-VDC Wallmount Power Supply (PS1002)
    Questions? Contact our FREE Tech Support.

    NOTE: 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.

  • Support



    Double Diamond Warranty Extended Double Diamond™ Warranty Available (3 Additional Year) 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 warranty that protects your Black Box® brand products* from accidental damage, including drops, water, and power surges.

    The Universal RS-232 to RS-422/485 Bidirectional Converter comes with a standard 5 Year warranty 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.