Which component in a fire alarm system typically provides visual indicators of system status?

The control panel displays serve as the central interface for monitoring and managing a fire alarm system. They are designed to provide visual indicators of the system's status, including information on whether the system is in a normal condition, in alarm, or in trouble (such as a fault or disconnect). The control panel consolidates data from various components of the fire alarm system and displays it clearly for easy interpretation by users, such as fire alarm technicians or emergency responders.

While alarm signals are vital for alerting occupants to a fire, they primarily focus on audible or visual notifications rather than system status indicators. Detector modules are the instruments that sense smoke, heat, or other fire-related phenomena and do not provide status information to users. Notification appliances are devices like horns, strobes, or speakers that alert building occupants to evacuate but do not indicate the operational status of the fire alarm system itself.

In summary, the control panel displays are the key component that visually communicates system status, making it the correct choice for this question.