Black Box 1-800-316-7107 


Helping you is our priority at Black Box.

We're committed to providing the best customer service in the industry. We're here for you, 24/7, 365.

We'll call you

A technical expert will call you shortly.

Submit Connecting call...

Call Us

Customer Sales & Service Support

Black Box Brand Product Support

IT Services & Voice Support

Send us a FAX


16 Port Modem Rack for use with the MD1000C

Rack up to 16 MD1000C modem cards.


Limited Quantity In Stock
Typically Ships within One Week
Extended Double Diamond™ Warranty Available (3 Additional Year)

*Required field

Product Features

  • Holds up to 16 modem cards in a standard 19“ or 23“ rack.
  • Supports leased or dialup lines.
  • Designed to work with the Modem 3600 Rackmount Card.


Modem Rack II is specially designed for 16 leased-line or 16 dialup ports or a combination of both. Manage leased and dialup modem links. Or back each leased line with the dialup ports. The backplane is designed with three connectors for each slot: DB25, leased line, and dialup line. A recessed power bus on the inside of the backplane distributes power to all the cards. No power cords dangle from the back.

Tech Specs

Connectors (16) RJ-45 dialup; (16) RJ-45 leased line/TD>
Dimensions 7“H x 19“W x 11“D (17.8 x 48.3 x 27.9 cm)
Indicators (1) LED: Power
Number of Modems (Maximum) 16
Power 115 VAC, 60 Hz (230-VAC, 50- Hz version on request)
Weight 32 lb. (14.5 kg)
This product works with:

* 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

Extended 1 Year Warranty Available

Protect your purchase with an additional 1 Year Double Diamond™ warranty!
Cost: $226.12

Extended 3 Year Warranty Available

Protect your purchase with an additional 3 Year Double Diamond™ warranty!
Cost: $452.25


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 16 Port Modem Rack for use with the MD1000C comes with a standard 1 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.