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ケーブリング・クロニクル

VoIP for the masses…the end of “voice grade cabling”

When I was a cable installer, we often built redundant networks for voice and data communications.  The data cabling was terminated on patch panels, and the voice grade cabling was terminated on wiring blocks. There are thousands of installations done this way.  And there were lots of reasons for it, including cost.  But I think the major reason we kept installing separate “voice grade cabling”  was that , deep down, the key influencers of cabling installation design didn’t believe that the end of voice circuits  would ever happen.

2011 年 11 月 23 日

Encircled Flux still a hot topic in the standards

Fluke Network's fiber optic technologist Seymour Goldstein just returned from Melbourn Australia where he attended IEC SC86C/WG1, and ISO/IEC JTC 1 SC25/WG3  meetings.  I caught up with him this week and got a download from his trip.

2011 年 11 月 8 日

Bridge Taps Killing DSL Performance? New TS100 PRO Cable Fault Finder Detects Multiple Bridge Taps on DSL Cable Lines

2011 年 11 月 4 日

Product Registration...Whats the point?

2011 年 10 月 26 日

A visit from visionaries Koeman, Thwing, and Martins.

The other day I heard a familiar, yet unexpected voice coming from the Fluke Networks Lab. In a moment I recognized the voice of Henri Koeman, the retired long time Fluke Networks employee and veteran of the cabling standards commitees. 

2011 年 10 月 25 日

The Truth about Twisted Pair Patch Cords

Non compliant cabling products have been the subject of magazine articles, discussions at conferences, publicized lawsuits, and government agency investigations during the last few years.

2011 年 10 月 24 日

Blog A001

As you can tell from the title of this post, this is my first Cabling Chronicles blog.  My name is Harley Lang and I'll be the guy doing most of the blogging here, so let me introduce myself and how I got here. The story could start with a ten year old boy using a lineman's snips for school art projects, but instead it starts in 1995 when I was a college sophomore, fresh out of the Marine Corps and in need of a job.

2011 年 10 月 24 日

The Truth About Twisted Pair Patch Cords Take 2

As I mentioned in the previous blog, the interest in patch cord testing caught my attention.  I picked up some cords from local distributors, got a DTX CableAnalyzer a couple of sets of patch cord adapters, and hit the lab for a couple of hours.  My goal was to take a crack at some of the myths about patch cords: 

2011 年 10 月 24 日