Black Box 1-800-316-7107 



Data Isolator - 10BASE-T/100BASE-TX, 4-kV

Stop surges while letting high-speed traffic get through.


46 In Stock
Extended Double Diamond™ Warranty Available (3 Additional Year)

*Required field

Product Features

  • Protect equipment from being harmed by damaging ground loops caused by a difference in the ground potential of two connected devices.
  • Compact devices that maintain Ethernet/Fast Ethernet communications across an electrical isolation barrier.
  • Compact and self-contained.
  • Install in-line and draw power from the network and connected equipment.
  • RoHS compliant and meet European Medical Device Directive (EN6060-1).

Tech Specs

cUL 0
UL 0
Approvals CE
Connectors (2) RJ-45
Dimensions 1.5"H x 2"W x 2"D (3.8 x 5.1 x 5.1 cm)
Isolation = 4 kV
MTBF >100,000 hours
Weight 0.5 lb. (0.2 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

Extended 1 Year Warranty Available

Protect your purchase with an additional 1 Year Double Diamond™ warranty!
Cost: $12.05

Extended 3 Year Warranty Available

Protect your purchase with an additional 3 Year Double Diamond™ warranty!
Cost: $24.10


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 Data Isolator 10BASE-T/100BASE-TX 4kV 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.