Changing With The Technology: New Fire Alarm Communications Methods
If you are like most people in the fire alarm industry, you struggle with what is and is not allowed for transmitting fire alarm signals to a supervising station. NFPA 72 has changed a lot in the last few code cycles, so let’s clarify some of those changes.
from EC Mag - Power and Integrated Building Systems Magazine http://www.ecmag.com/section/systems/changing-technology-new-fire-alarm-communications-methods%E2%80%A9
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