Cabling Chronicles

Re-Certified Test Reports: Are They Really Valid?

The first in a series of articles on re-certification.

July 23, 2020

An Update on IEC 61280-4-1 Edition 3, Multimode Attenuation Measurement of Installed Cabling Plant

Introduction

IEC and other organizations, such as TIA, routinely reaffirm standards every few years. Reaffirmation is a way for subcommittees to decide if a standard is “dated” or still applicable to current times. Technology and market needs change often which drive standards to change.  IEC 61280-4-1 edition 2 was in such a cycle several years ago and it was decided an edition 3 was needed.

June 25, 2020

Cable Testing 101: Understanding Near and Far End Crosstalk

 

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If you're at all familiar with copper cable, you've probably heard about crosstalk--the phenomenon by which a signal transmitted on one pair or one channel creates an undesired affect on another pair or channel.

June 10, 2020

Social Distancing the LinkWare Live Way

While everyone has been working smart and social distancing, LinkWare Live surpassed another milestone with over forty million test results uploaded since it was launched back in 2015.  Last spring, we passed the twenty million mark meaning that LinkWare Live usage continues to grow exponentially, with total uploads doubling about every 12 months.

May 29, 2020

The OM Mantra

Adopted by TIA, the nomenclature for multimode fiber found in the ISO/IEC 11801 standard includes the prefix “OM.”

Rather than the spiritual mantra you hear in yoga class, most sources in our industry state that the acronym OM comes from “optical multimode” which seems rather obvious. But when it comes to the various nuances of each type of OM, the differences aren’t quite as obvious.

Let’s take a closer look.

May 22, 2020

2020 Cabling Industry Salary Survey Now Available

For the second year, Fluke Networks has teamed up with Cabling Installation and Maintenance to survey structured cabling professionals for salary information. 

May 14, 2020

What are all those specialty cords you use?

I was recently asked by a customer, to whom I was demonstrating a Fluke Networks OptiFiber® Pro OTDR and CertiFiber® Pro OLTS, why do you need all those specialty test leads to make measurements?  Why can’t I use patch cords?  We often take the understanding of such things for granted, so let’s take an in-depth look at the various accessory cords you need to make measurements accurately with our testers.

May 7, 2020