In case of a fire, early detection of smoke and heat helps in fighting the fire effectively & extinguishing it in the nascent stage. Thus preventing the fire from spreading and saving life and loss of property and business. It is a basic conventional system in which Fire Alarm Panel indicates the zone which has caught fire. Intelligent Addressable Fire Alarm System This is the advanced system in which control panel is capable of not only knowing the detector’s location accurately but also exactly how much smoke is in the chamber of the detector.