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Data Tap - DB9, MM/F

Monitor your data lines economically without interrupting data flow.


8 In Stock
Typically Ships within One Week
Lifetime Double Diamond™ Warranty (Standard)

*Required field

Product Features

  • Tap into and monitor active lines with a data scope.
  • Monitor RS-232, RS-422, or 802.5 communication.
  • Three DB9 connectors: (2) data connectors (MM) and (1) tap connector (F).
  • All nine pins are wired straight through.


  • Just plug your data cables into the straight-through connectors. Then link your data scope to the Tap Connector.
  • An economical solution for a "Y" or 3-way connector cable, temporary or permanent.
  • Also available in DB25 connectors with several gender options.

  • Tech Specs

    Four-way taps with DB25 connectors are also available. For details, call 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 877-877-2269.




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

    The DB9 MMF Data Tap comes with a standard Lifetime 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.