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Async RS-232 to RS-422 Interface Converter - DB9 to RJ-45

Convert async RS232 to RS422 at speeds up to 19.2 kbps with distances up to 4000 ft over CATx cables.

Item #:  Async RS-232 to RS-422 Interface Converter - DB9 to RJ-45


Call 1300 734 455 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

  • Transmit data up to 19.2 kbps or at distancesup to 4000 ft.
  • Operates point to point only
  • 4-wire operation, full-duplex only
  • async (data leads) only.
  • Interface powered by the RS232 control leads


  • The RS-232 connector is DB9 female; the RS-422 connector is RJ-45.
  • Connects directly to RS-232 equipment.
  • No power supply required - power is drawn from RS-232 data and control signals.
  • Loops back all RS-232 handshaking signals.

Tech Specs

Maximum distance for this converter depends on cable and data transmission rates. For more information on distance limitations for your application, contact our FREE Tech Support.

Product works with:
  • CAT5 100-MHz Solid-Conductor Cable, 4-Pair, Straight-Pinned (EYN550MS, EYN737MS)
  • CAT5 100-MHz Unshielded Solid-Conductor Bulk Cable, 2-Pair (EYN717A)
    Questions? Contact our FREE Tech Support.

    * Technical specification weight is the unit weight. It is not the packaged shipping weight. For shipping weight, please contact Black Box customer service at 1300 73 55 66.

  • Support


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    During the warranty period, Black Box Network Services will repair or replace your faulty equipment at NO CHARGE!

    Plus, get an Extended Double Diamond Warranty.

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    ** Certain products may not be eligible.


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