Black Box 1-877-877-2269 



CAT5e RJ45 Jack Coupler - T-568B, Gray

Make CAT5e workstation connections.


Please call 1-877-877-2269 for a replacement product or part.
Lifetime Double Diamond™ Warranty (Standard)

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Product Features

  • Snap couplers into a faceplate or surface-mount box.
  • Double couplers consist of two modular RJ-45 jacks, each connected to a 4-pair S110 connecting block.
  • Single couplers consist of one RJ-45 jack connected to two 2-pair S110 connecting blocks.
  • Guaranteed for life!


Angled couplers protect your connectors from damage and to preserve the bend radius.


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.