Fire Alarm System (FAS System) is an automatic fire-fighting facility set up in buildings or other places to combat fires in order to detect fires early and take effective measures in a timely manner to control and extinguish them. The fire automatic alarm system is usually composed of fire detector, area alarm controller and centralized alarm controller, as well as linkage module. The detector effectively detects the fire, the controller carries on the fire information processing and alarm control, and the linkage module connects the fire protection device.