Fire alarm
A fire alarm was a device that, when pulled, alerted people in a building or aboard a starship to the presence of a fire so that they could evacuate or take other appropriate measures.

In 1986, Mercy Hospital was equipped with fire alarms. ()

Signage on the doors aboard the Earth Cargo Service freighter  instructed to behave during an emergency procedure. In the event of fire, the fire alarm should be activated and the area should be evacuated. The fire control personnel's arrival should be awaited. ()

See also 
 Fire alert

External link 
 
Alerts
Communications technology