Notification Appliance Synchronization: To prevent confusion in the course of an emergency, NFPA 72 stipulates that notification appliances in the same space ought to be synchronized to produce a dependable and intelligible notify signal. Since the detectors are linked to the most crucial panel by way of the two finishes https://www.firesense.co.uk/type/conventional-fire-system/conventional-fire-alarm-control-panels/