• The Black Box Store
  • Welcome
  • Talk to an Expert
    Close
    Get answers
    from an Expert any way you want.


    Helping our customers find exactly what they need is what makes Black Box different.

    Reach us any way you want.



    We'll call you

    A technical expert will call you in 20 seconds. It's live and it's free.



    (

    Reach us by telephone
    724.746.5500
    Answered in 20 seconds or less!


    Send us a Fax
    800.321.0746
    Answered in 15 minutes or less!


    Send an e-mail
    Shoot us an email and we will answer in 60 minutes or less!


  • Account
  • View Cart
           Search       Need technical advice? Call 1-877-877-2269 for an expert in less than 20 seconds.

Industrial > Modems, CSU/DSUs, Muxes

select a category





Welcome to your GSA Networking Superstore!
.

Federal government offices:
Click here to find out more about our extensive selection of products designed to reduce costs, increase productivity, and improve security.

And don’t miss our interactive Federal IT Solutions e-catalog!

.

State and local government offices:
Need to do more with less? Click here.

Check out our interactive State & Local IT Solutions e-catalog for the budget-friendly IT products you’re looking for.

.

For more information on our GSA programs, download our GSA terms and conditions.

GSA Schedule 70, Contract #GS-35F-0158J.
Open to all government agencies.
Cage Code 59951, DUNS# 082254871, Federal ID# 25-1272662.
Black Box accepts all government purchasing cards.

Results 1-9 of 21 1 2 3 > 
MD1000C

Photo may show similar product


Modem 3600 Rackmount Card

MD1000C

Our most secure dialup modem with digital speed—in a rackmount card.

more...
$819.95  
In Stock

MD3450A

Photo may show similar product


Industrial Pocket Modems, General-Purpose

MD3450A

Tiny yet tough—now available with optional self-dialing or RS-422/RS-485 capabilities!

more...
$535.95  
In Stock

MX512A-ST

Photo may show similar product


Async Fiber Optic Mux-24, ST

MX512A-ST

Merge 24 channels of data onto a single duplex fiber line—quickly, easily, safely.

more...
$986.95  
In Stock

MD845A-R2

Photo may show similar product


Modem 202

MD845A-R2

The Modem 202 is updated, upgraded, and ready for work.

more...
$509.95  
In Stock

MT190A

Photo may show similar product


Smart 64K CSU/DSUs, 120-VAC

MT190A

Get in the loop for quick and complete line analysis.

more...
$687.95  
Usually
Ships in
3-5 days

MD833A-D24

Photo may show similar product


Modem 32144, Standalone, 24-Volt DC

MD833A-D24

19.2-kbps V.terbo support and options for use in any application!

more...
$999.95  
In Stock

MD833A-R7

Photo may show similar product


Modem 32144, Standalone, 115 VAC

MD833A-R7

19.2-kbps V.terbo support and options for use in any application!

more...
$892.95   Starting price
Kit
Call to order 1-877-877-2269

MD833C-R5

Photo may show similar product


Modem 32144, Rackmount Card, 115 VAC

MD833C-R5

19.2-kbps V.terbo support and options for use in any application!

more...
$885.95  
Usually
Ships in
3-5 days

MD3451A

Photo may show similar product


Industrial Pocket Modems, PLC Self-Dialing

MD3451A

Tiny yet tough—now available with optional self-dialing or RS-422/RS-485 capabilities!

more...
$708.95  
Usually
Ships in
3-5 days

Results 1-9 of 21 1 2 3 > 



Your shopping cart is empty
Black Box Diamond

Hot Sellers
at Black Box

Got Questions?

chat with a rep

Talk to Black Box

A technical expert will call you in 20 seconds. It's live and it's free.



(