The invisible Category 4

July 1, 1998
What can you say about the Edsel of the cabling industry? In retrospect, Category 4 cabling systems appear to be short-sighted and unnecessary. Billed as an improvement--however slight--in performance over Category 3 for handling premises network upgrades, Category 4 has led a relatively innocuous, sedentary existence, never developing as a stepping stone to Category 5, as had been foreseen in 1991.

Ron Karjian

What can you say about the Edsel of the cabling industry? In retrospect, Category 4 cabling systems appear to be short-sighted and unnecessary. Billed as an improvement--however slight--in performance over Category 3 for handling premises network upgrades, Category 4 has led a relatively innocuous, sedentary existence, never developing as a stepping stone to Category 5, as had been foreseen in 1991.

Today, conversations about categories of cable for office buildings and residences start with Category 3 and jump to Category 5, with seldom a mention of Category 4. When Masood Shariff, a distinguished member of technical staff at Lucent Technologies` Bell Laboratories (Middletown, NJ), said that the cabling industry seven years ago was yearning for a "better cable" than Category 4, he wasn`t kidding.

Sponsored Recommendations

imVision® - Industry's Leading Automated Infrastructure Management (AIM) Solution

May 29, 2024
It's hard to manage what you can't see. Read more about how you can get visiability into your connected environment.

Adapt to higher fiber counts

May 29, 2024
Learn more on how new innovations help Data Centers adapt to higher fiber counts.

Going the Distance with Copper

May 29, 2024
CommScopes newest SYSTIMAX 2.0 copper solution is ready to run the distanceand then some.