Annunciator panel provides audible and visual indications of door entry at master annunciator panel. Calls are displayed until entry switch contacts are manually restored and the master annunciator’s reset. Features audible and visual call indication, pulsating or steady alarm tone, silencing switch, remote alarm reset, LED annunciation, parallel annunciation, and expandable from 4 to 168 zones. Mounts to BB33X series back box.