Deborah L. O'Mara

Freelance Writer

Deborah O'Mara is the president of DLO Communications in Park Ridge, Ill., specializing in low-voltage. She also is the former editor of Security + Life Safety Systems. She can be reached at 847.384.1916 or

Articles by Deborah L. O'Mara

January 2003
In no other market has technology advanced as quickly as in digital video and closed circuit television video (CCTV) surveillance. Digital signal processing is state-of-the-art and beyond, and cameras are nearly end-to-end digital. Recording is most often tied to computer technology, with storage limited only by hard-drive space, which continues to increase. READ MORE
November 2002
Effective physical security protection starts on the outside and perimeter of a facility and is part of an integrated solution. Here, gates and gate-control operators are definitely a deterrent and can be used to limit who and what comes and goes into the protected premises. Gates come in a variety of styles and are used in a host of applications. READ MORE
October 2002
In access control, the innovation never stops. In the cards themselves and the readers, technology has stepped up to provide the highest levels of security ever. From standalone, self-contained systems for a single door to large, networked platforms, access control can meet the needs of the smaller customer and the large corporate account as well. READ MORE
September 2002
These days, if you’re doing only wiring and cabling, you’re probably in the minority. Many electrical contractors wisely continue to expand their customer base, capitalizing on a variety of market upswings in low-voltage systems and services. According to ELECTRICAL CONTRACTOR magazine’s 2002 Profile of the Electrical Contractor, voice/data/video (VDV) is clearly a bright spot. READ MORE
August 2002
We’ve come to know it and love it: the wonderful world of wireless. Otherwise known as radio frequency transmission, wireless has gone mainstream, with hands-free and remote capabilities a way of life. If you think electrical contracting has nothing to do with wireless, you’re wrong. READ MORE
August 2002
Every electrical contractor involved in the installation and maintenance of life safety systems knows that what really drives the fire market is local, state and federal building codes and the Authority Having Jurisdiction (AHJ). That’s not necessarily a bad thing. Much of the research and development for technologies often comes as a result of new requirements or code changes. READ MORE
July 2002
Digital video makes surveillance a snap. At your fingertips are control functions (pan-tilt-zoom, recording, etc.) and limitless remote monitoring options. The advent of digital signal processing technology and its rise to fame began in consumer markets, and this innovation continues to find its way to the security and surveillance market, with more to come. READ MORE
June 2002
Call it a sign of the timeS; there’s much more closed-circuit television (CCTV) surveillance activity. An electrical contractor based in the southeast called to ask me more about this market, and it wouldn’t be the first time a contractor queried me about this niche. CCTV installation is a smart move for any electrical contractor, especially when you consider where this market is headed. READ MORE
May 2002
In this day and age, the term “single-door access control” is nearly a misnomer. Most products have advanced to the point where they are easily integrated or interfaced with additional controllers, expanding in a network configuration. Still, you’ll sometimes want one compact but powerful package for your customer, and that’s when you’ll want stand-alone access control. READ MORE