Test your Life Safety System Testing knowledge with the following quiz.
All answers may be found in NFPA 4.
In this photo, can you identify the ports that can be used for POE and those that can be used for fire alarm connections and why?
Click here to see the answer.
The obvious answer is that the ports circled in yellow are POE ports. Any of those may be used for providing power. Only two ports are designed for fire alarm service: ports 1 and 2 on the far left side of the device. Only those ports will operate during a power outage with a backup battery.