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


2-Line Telephone Protection, 1.8"H X 5.8"D, 8 Outlets

The best value you can get for small office/home office surge protection!


Limited Quantity In Stock
Typically Ships within One Week
Lifetime Double Diamond™ Warranty (Standard)

*Required field

Product Features

  • Ideal for small office/home office computers, printers, modems, and stereo equipment.
  • Provides the maximum surge protection you can get for business computer equipment.
  • Also protects two telephone lines.
  • Guaranteed for life!


  • Has eight outlets for eight regular plugs, or it can accommodate up to six transformer blocks (three without covering other outlets.)
  • Two outlets are always on for devices that need constant power.
  • Protects equipment and up to two telephone lines.
  • Includes (1) 6-ft. (1.8-m) modular RJ-11 cable.
  • Also available for equipment protection only (PRO8).

  • Tech Specs

    cUL 0
    UL 0
    Size 1.8"H x 8"W x 5.8"D (4.6 x 20.3 x 14.7 cm)
    Warranty Lifetime
    Weight 1.9 lb. (0.9 kg)

    * 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 2-Line Telephone Protection, 1.8"H X 5.8"D, 8 Outlets 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.