Method and apparatus for activating and controlling fire and mass notification visual devices

Procede et appareil d'activation et de commande de dispositifs visuels de notification de feu et de masse

Abstract

One embodiment of a method for activating a stimulus on a notification device includes encoding an instruction to activate the stimulus in a voltage dropout pulse of a synchronization protocol and sending the synchronization protocol, including the voltage dropout pulse, over a single two wire circuit to which a fire notification device and a mass notification device are coupled, where the notification device is the fire notification device or the mass notification device.

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