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Compact T1 Channel Bank Cards, 4-Port T1 Card


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


8-Port FXO Card
The FXO Card provides high-density provisioning of reliable Foreign Exchange Office (FXO) or Direct Inward Dialing (DID) telephone services. Add a maximum of 6 cards to the chassis for 48 connections.

4-Port OCU-DP Card
This solution links up to four CSU/DSUs that are connected to remote bridges, routers, and other network devices. Add a maximum of 6 cards to the Compact T1 Channel Bank chassis for 24 connections.

4-Port T1 Card
Add ports for up to four T1 lines with this card—for backup or more DS0 channels. Add a maximum of 4 cards to the chassis for a total of 18 T1 connections (including the 2 rear connectors on the chassis).

2-Port V.35 Card
Add a maximum of 6 cards to the chassis for connections to 12 high-speed DTE devices.

8-Port ISDN Card
Add a maximum of 5 cards to the chassis for a maximum of 40 ISDN BRI circuits.

IP Router Card
Each card acts as a single 10-/100-Mbps router with autosensing abilities. Add a maximum of six cards to the chassis.

Media Gateway VoIP Router Card
This card combines IP router functionality with the ability to translate circuit-based voice services into packet-based VoIP. Populate the chassis with up to six cards.


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 Compact T1 Channel Bank Cards, 4-Port T1 Card comes with a standard 5 Year 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.