ECM Buyers' Guide

voice / data / video

Correspondence Lesson 4: Electronics & Lighting Controls 

May 1, 1999, By Paul Rosenberg, datacom Consulting Editor

Let's begin by covering the basics of electronic devices and control technologies, then proceed to specific applications of lighting controls. Assuming...

New Campus Network Leaves 1000 Users Multimedia-Ready 

May 1, 1999, By Joseph R. Knisley, Senior Editorial Consultant

Completion of a $3 million campus network in three months is result of an electrical contractor's becoming a telecommunications installation specialist....

High-Frequency Test Results for Copper Data Cabling 

May 1, 1999, Written by Jim Rivernider, Edited by Paul Rosenberg

How will "enhanced" or "next generation" premise systems perform at frequencies beyond 10Base-T Ethernet? With network speeds getting higher, revision of the 568A standard, and dispute over "Level 6" and "Level 7," this is a huge question for the datacom industry....

Correspondence Lesson 3: Process Controls 

Apr 1, 1999, By Paul Rosenberg, Consulting Datacom Editor

Industrial process control can be difficult, complex, and problematic. Yet, a smooth running process line is a site to behold; thanks to technological...

Future-Proofing with Air Blown Fiber 

Apr 1, 1999, By Joseph R. Knisley, Senior Editorial Consultant

Specialized optical fiber system proves ideal in heavy industrial application....

Datacom Office Wiring: Recommended Procedures 

Apr 1, 1999, By Paul Rosenberg, Consulting Datacom Editor

Voice and data wiring essentially involves installing cable and connecting equipment: the same things most of us have been doing for decades. But there are some significant differences related to system performance and required installation methods....

Public Broadcaster Goes Digital with Fiber-to-Desk Network 

Apr 1, 1999, Edited by Ellen Parson, Managing Editor

When you look at the recent relocation and renovation project at Georgia Public Broadcasting (GPB), you realize public broadcasting is not what it used...

On-The-Job Training In The Datacom Industry 

Apr 1, 1999, By Paul Rosenberg, Datacom Consulting Editor

On-the-job training is a tough task. If you don't do it well, you'll end up paying for it through lost productivity, damaged equipment, and redone installations....

Correspondence Lesson 2: Basic Wired Control Devices 

Mar 1, 1999, By Paul Rosenberg, Consulting Datacom Editor

Our coverage of specific control devices begins with basic wired controls- the most commonly used control items. You can find them in thousands of locations...

Playing The Computer Telephony Acronym Game 

Mar 1, 1999, By Paul Rosenberg, Datacom Consulting Editor

There are so many acronyms for telephone services and links between data communications and telecommunications, it's hard to keep track of what's available. And with so many services offered, it's that much harder to make knowledgeable and sensible recommendations to your customers....

PLC Or DCS: Which Is Better For You? 

Mar 1, 1999, By Dr. Tim Shaw, Ph.D.

You must automate a process, but you can't decide between a DCS and a PLC. Are these systems really all that different? The answers depend on a slew of other questions....

Building A Next-Generation Corporate Network 

Mar 1, 1999, By Joe Knisley

A multi-site retrofit combines optical fiber and high-performance UTP copper cable to handle an expanding volume of data....

Digital Telephony: Sending High-Speed Data Over Phone Lines 

Mar 1, 1999, By Paul Rosenberg, Datacom Consulting Editor

Since new communication systems are overwhelmingly digital, analog is slowly on its way out. Therefore, local telephone companies may offer some or all of these digital services you can recommend to your customers....

Opening Your Own Low-Voltage Division 

Feb 1, 1999, By Paul Rosenberg, Consulting Datacom Editor

If you're a contractor who wants to do low-voltage work, you have two options: Open a new low-voltage company or run such projects within your existing company. Which way is best?...

Correspondence Lesson 1: The Application of Controls 

Feb 1, 1999, By Paul Rosenberg, Consulting Datacom Editor

The real genius of control work is being able to combine the many different devices to get a very complex and difficult job done. This first lesson is a step in that direction....

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