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Demystifying Emergency Communications System Message Delivery

Proper design of an emergency communications system requiring voice intelligibility depends on factors such as room acoustics, speaker layout and even the manner in which the person is announcing a live…


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Al Colombo addresses comments prompted by the September's column, "Finding Faults in Fire Systems." By Al Colombo · October 31, 2010

Al Colombo discusses the simple -- yet vital -- steps to better ladder safety. By Al Colombo · September 28, 2010

Of all the troubles that fire alarm technicians are likely to encounter, ground-faults are one of the most difficult to locate and fix. When a ground-fault does occur in a fire alarm system, any number of things can take place. August 31, 2010

An important part of what makes fire/life-safety systems easy to sell is that municipal and county governments, by way of sanctioned building departments and knowledgeable inspectors, have established laws or ordinances mandating their installation and maintenance ... By Al Colombo · August 05, 2010

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Veteran installers will undoubtedly remember when fire alarm panels worked almost exclusively by relay technology. As technicians, we encounter relays every day in the field on alarm panel motherboards, smoke detectors, addressable heat sensors and a host of other devices. May 31, 2010

On April 8, the FCC issued a public statement in the form of a document titled, FCC Announces Broadband Action Agenda, that in essence says whether anyone likes it or not we’re going to phase out plain old telephone service (POTS), also known as the public switched telephone network (PSTN) and in its place create an IP-switched national infrastructure. April 30, 2010

This past December, the FCC began a legal process that if successful will lead to the demise of plain old telephone service (POTS). This has paradigm-shifting and potentially catastrophic implications for our industry. March 31, 2010

By Al Colombo · February 28, 2010

The need for accurate, timely info has always been a problem, but recently civilian and government authorities decided it was time to do something about it. By Al Colombo · January 31, 2010


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