Which type of fire alarm system transmits a signal to the fire department?

The correct answer pertains to the remote supervising station system, which is specifically designed to transmit a signal directly to the fire department or a central monitoring facility when an alarm is triggered. This type of system ensures that emergency responders are notified as quickly as possible, allowing for a timely response to potential fire emergencies.

Remote supervising station systems are typically connected to the fire alarm systems within a building and are monitored continuously. When an alarm condition occurs, the system sends an automatic notification to the fire department, which can include details about the nature of the alarm and the location within the premises. This rapid communication can significantly enhance fire response efforts, potentially saving lives and property.

In contrast, local alarm systems only sound an audible alarm on-site without notifying the fire department. Independent smoke detector systems may provide alerts within a structure, but they do not have the capability to communicate externally to the fire service. Standalone audible alarms are similar in that they function to alert occupants but lack any form of connectivity to external emergency services. Therefore, the remote supervising station system stands out as the option that actively facilitates a direct link between the alarm event and the firefighting resources required for an effective emergency response.