Present day fire alarm systems will often be built-in with other systems or monitored externally. Digital Alarm Communicator Transmitters (DACT) connect the fire alarm method to an external checking assistance, normally utilizing mobile phone lines. Turning on notifications: On acquiring indicators from the inputs, the FACU will turn on the https://wireless-fire-alarm-syste35678.blogrelation.com/41648059/wireless-fire-alarm-systems-fundamentals-explained