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Multi-Dwelling Units (MDUs)/Condominiums Data/Telephone Module, 1 x 6-Port, CAT3 Telephone, T568A

Data/phone modules for anywhere you need to connect multiple tenants.


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

Product Features

  • Perfect for bringing Internet and phone service to larger multi-tenant buildings such as apartment buildings, condos, and hotels.
  • Half-sized modules to fit our Pure Home Networking Boxes.
  • Terminate Ethernet and telephone connections.


6-Port CAT5e Data/Telephone MDU Module (JHN2020A): Supports up to six T568A RJ-45 data and/or voice connections. Has front 110-type punchdown termination. Works with JHN2024A.

6-Port CAT5e Data MDU Module (JHN2021A): Supports up to six RJ-45 T568B ports for data and has six front 110-type punchdown termination.

1 x 12-Port and 1 x 6-Port Basic Telephone MDU Module (JHN2022A–JHN2023A): Supports four incoming phone lines and distributes them to 12 or 6 T568A phone outlets. Has front 110-type terminations. Includes an interface for a surge suppressor and an isolation jumper.

1 x 6-Port CAT3 Telephone MDU Module (JHN2024A): Supports six T568A telephone RJ-45 ports and four phone lines from 110-type terminations. Has two expansion ports, an RJ-31X interface for security, a surge suppressor interface, and an isolation jumper. Works with JHN2020A.

Tech Specs

Module Sizes One Unit, Half-Size: 3"H x 6.33"W

* 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 Multi-Dwelling Units (MDUs)/Condominiums Data/Telephone Module, 1 x 6-Port, CAT3 Telephone, T568A 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.