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A fire alarm box, fire alarm call box, or fire alarm pull box is a device used for notifying a fire department of a fire or a fire alarm activation. Typically installed on street corners or on the outside of commercial buildings in urban areas, they were the main means of summoning firefighters before the general availability of telephones.
Emergency Assistance, on Ford cars with Sync RESCU (Ford), on older Ford cars; Additionally, many newer fire alarm control panels are designed with an automatic emergency call feature where the fire department will be notified if the alarm is triggered through any means other than a manual activation for a Fire drill or system test.
Fire alarm warning devices can also be set to different volume levels. Notification appliances utilize audible, visible, tactile, textual or even olfactory stimuli [15] [16] to alert the occupants of the need to evacuate or take action in the event of a fire or other emergency. Evacuation signals may consist of simple appliances that transmit ...
CAD systems may be interconnected with automatic vehicle location systems, mobile data terminals, office telephones, and selective calling and push-to-talk ID.. Computer-assisted dispatch systems use one or more servers located in a central dispatch office, which communicate with computer terminals in a communications center or with mobile data terminals installed in vehicles.
A dual signaling communication device is attached to a control panel on a security installation and is the component that transmits the alarm to the ARC. It can do this in a number of different ways, via the GPRS radio path, via the GSM radio path or via the telephone line/or IP.
The radio had a request-to-speak button which, when acknowledged, allowed voice communication to the dispatch center. Each radio works over a single band of frequencies. If a tow car company had a frequency on the same band as its auto club, a single radio with scanning might be employed for both systems.
Many fire horn systems were wired to fire pull boxes that were located around a town, and this would "blast out" a code in respect to that box's location. For example, pull box number 233, when pulled, would trigger the fire horn to sound two blasts, followed by a pause, followed by three blasts, followed by a pause, followed by three more blasts.
A Plectron is a specialized VHF/UHF single-channel, emergency alerting radio receiver, used to activate emergency response personnel, and disaster warning systems. Manufactured from the late 1950s, through the late 1990s, by the now defunct Plectron Corporation in Overton, Nebraska , hundreds of thousands of these radios were placed in homes of ...