Modern-day fire alarm systems are sometimes integrated with other systems or monitored externally. Digital Alarm Communicator Transmitters (DACT) join the fire alarm technique to an external checking service, typically using cellphone traces. Identification: When an alarm is brought on, the control panel can identify which zone the alarm originates from https://fire-alarm-systems23445.blog5star.com/35853203/helping-the-others-realize-the-advantages-of-wireless-fire-alarm-systems