The Annunciator Control Module-24AT contains
24 color programmable (red/green/yellow) Active switches,
24 yellow Trouble LEDs, 24 momentary touch-pad switches,
a System Trouble LED,
an On-Line/Power LED,
and a local piezo sounder with a silence/acknowledge switch for audible indication of alarm and trouble conditions.

Part of the ONYX series of Fire Alarm Control Panels and Equipment. Also suitable for use with Notifier's legacy addressable panels.