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Quick Connect Surge Protector - RS232/Token Ring, 4-Wire

This data-line protector couldn't be easier to install.


3 In Stock
10 Year Double Diamond™ Warranty (Standard)

*Required field

Product Features

  • Keep your network and communications devices (I/O cards, controllers, programmable logic controllers, modems, CSU/DSUs, hubs, and multiplexors) up and running
  • Easy installation with Quick-Connect connectorsright at the portjust strip the cable and insert
  • Spring-loaded design prevents wires from loosening, corroding, or becoming brittle
  • Protection for RS232 and Token Ring
  • Low shunt capacitance to reduce signal loss
  • State-of-the-art avalanche diode technology


  • Protection for RS-232 and Token Ring.
  • Low shunt capacitance to reduce signal loss.
  • State-of-the-art avalanche diode technology.

Tech Specs

cUL 0
UL 0
CE Approval Yes
Clamp Voltage ±18 V
Size 0.9"H x 1.5"W x 3.6"D (2.3 x 3.8 x 9.1 cm)
Weight 0.2 lb. (<0.1 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 Quick Connect Surge Protector RS232/Token Ring 4-Wire comes with a standard 10 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.