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NFPA 72 IP back up power

Question asked by chiefsolomon on Apr 5, 2016
Latest reply on Dec 18, 2016 by cdafd

Hello fellow code enforcers. How have any or all of you been dealing with the use of IP as a communications circuit for fire alarm? Specifically, the back up power requirements. How are you seeing the modems/ routers powered to meet the 24 hour back up power requirement? A UPS wont do it. The largest one I've seen runs about 8 hours. anyone out there have a code compliant solution?