ECM Buyers' Guide

voice / data / video


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....

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....

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....

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....

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?...

Contracting in the Datacom Arena 

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

In many ways, data contracting is similar to electrical contracting. However, there are quite a few differences. Here are the most important aspects of data contracting; paying extra attention to those areas that differ substantially from electrical contracting....

ADSL: The New Internet Link 

Dec 1, 1998, By Paul Rosenberg, Datacom Consulting Editor

This high-speed transmission technology could make downloading movies and video catalogs possible; but only if our telephone companies allow you to have it....

Backbone Cabling System Provides Video-to-Desktop and ATM Capabilities 

Nov 1, 1998, Edited by Ellen Parson, Managing Editor

When Regence BlueCross BlueShield of Utah needed a cabling plant for its two new headquarters buildings and the nearly 1000 workstations inside them,...

Breaching The Digital Bottleneck 

Nov 1, 1998, By Paul Rosenberg, Datacom Consulting Editor

A terrible impediment plagues the digital world. This data bottleneck, which strangles the world's data transmission system, is the last mile or so of connection to the home or office....

Stuck In The Middle: How Telecom Installers Get Hurt 

Sep 1, 1998, By Paul Rosenberg, Consulting Datacom Editor

Because standards for telecom technologies are still developing, you may run into product application gaps. And where these gaps exist, problems develop. Here's how to avoid them....

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