Recently added articles from Security Dealer:
Understanding 26-bit Wiegand.(Access Control Expert)
Dec 01, 2007 ... Understanding 26-bit Wiegand By Tim O'Leary Q Installation instructions for access control frequently refer to the reader or keypad as 26-bit Wiegand. What does 26-bit mean and is it secure? A Wiegand is the trade name for a technology used in card readers ...
Water and Electric CAN MIX.(Feature)
Dec 01, 2007 ... Water and Electric CAN MIX By Tim Frankenburg The idea of mixing water and electric makes most people cringe. However when it comes to fire protection, water and electric must mix to protect the occupants of the structure as well as the protected premises. Too often ...
The State of Public Video Surveillance Systems.(CCTV)
Dec 01, 2007 ... The State of Public Video Surveillance Systems By Jerry Robinson A quick search of Internet news sources shows almost daily articles from the United Kingdom (U.K.) crediting public video surveillance systems with helping to capture murderers, shoplifters or even ...
Relays and Circuits for Life Safety Functions.(Fire Alarm Expert)
Dec 01, 2007 ... Relays and Circuits for Life Safety Functions By Greg Kessinger Q: Where in National Fire Protection Association (NFPA), Quincy, Mass., National Fire Alarm Code 72 can I find the rules for how to properly shut down a night club's stage lights when the fire alarm ...
Arecont Stakes its Claim in History.(Publishers Letter)
Dec 01, 2007 ... Arecont Stakes its Claim in History Peter Harlick, Publisher The Year 2007 is nearly history. Much has happened from both mergers and acquisitions to new product offerings to major technological advancements. I was impressed in particular with one new product while ...