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Coded panels were the earliest type of central fire alarm control, and were made during the 1800s to the 1970s. A coded panel is similar in many ways to a modern conventional panel (described below), except each zone was connected to its own code wheel, which, depending on the way the panel was set up, would either do sets of four rounds of code until the initiating pull station was reset ...
SimplexGrinnell, a subsidiary of Johnson Controls, is an American company specializing in active fire protection systems, communication systems and testing, inspection and maintenance services. The company headquarters is in Boca Raton , Florida ; corporate sales and marketing offices are in Westminster , Massachusetts , and the company has ...
There are many types of fire alarm systems, each suited to different building types and applications. A fire alarm system can vary dramatically in price and complexity, from a single panel with a detector and sounder in a small commercial property to an addressable fire alarm system in a multi-occupancy building.
Under the name "Thorn/Autocall", the company produced the TFX-series addressable panels and C-series conventional panels, which were rebrands of the Silent Knight SK-series conventional panels of the time. An Autocall C-2000 panel. This panel was the 2 zone variant of the C-series conventional fire alarm panels released by Autocall in the late ...
The current Gent addressable protocol, called the Gent 3217 protocol, started with the launch of the System 3400 fire alarm system in 1985. [2] The panel was one of the first addressable fire alarm systems ever created and was revolutionary compared to the simplistic conventional fire alarm systems that preceded it – both power and data could ...
The Underwriters Laboratories' UL 365 is a safety standard that governs the construction, performance, and maintenance of police station-connected burglar alarm units and systems. These systems are designed primarily for use in mercantile premises, including mercantile safes and vaults, as well as bank safes and vaults.
An aspirating smoke detector (ASD) is a system used in active fire protection, consisting of a central detection unit which draws air through a network of pipes to detect smoke. [1] The sampling chamber is based on a nephelometer that detects the presence of smoke particles suspended in air by detecting the light scattered by them in the chamber.
An alarm monitoring center, central monitoring station (also known as "CMS" or wholesale central station), or alarm receiving center (also known as ARC) [1] is a company that provides services to monitor burglar, fire, and residential alarm systems. The Central Monitoring Station may also provide watchman and supervisory services.
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