How often should Digital Alarm Communicator Transmitters (DACT) test signals be transmitted?

Digital Alarm Communicator Transmitters (DACT) test signals are vital for ensuring that the fire alarm system is functioning properly and can communicate alarms effectively. The frequency at which these test signals should be transmitted is set forth by various standards and codes, which aim to maintain the integrity and reliability of fire alarm systems.

Testing DACT signals at least monthly helps verify that the communication path between the fire alarm control panel and the monitoring station is functioning without issues. Regular testing is crucial, as it enables technicians to detect any problems that may arise, such as communication failures, equipment malfunctions, or issues with the transmission medium. By adhering to a monthly testing schedule, fire alarm systems can be kept in optimal working condition, ensuring that they will perform effectively in the event of an actual alarm scenario.

Other options, such as testing every week, quarterly, or annually, do not align with the recommended practices for regular oversight of these critical communication devices. Testing too frequently may lead to unnecessary wear and operational disturbances, while testing yearly or quarterly may not provide sufficient oversight to catch problems that could compromise safety. Thus, the monthly requirement strikes an appropriate balance, ensuring reliability without excessive frequency.