May 31, 2014
I recently bought this NVR for an 11 camera system I’m installing. I am looking at using these cameras and powering them via PoE. I looked at the voltage calculator and tried to fill it out.. not sure if I did it correctly though. With 11 devices, I was wondering what the max length of cable I can run – some cables will be shorter than 20 feet, some might be longer than 100. How would I calculate the maximum supported length?
The spec sheet says 15W/PoE port, but I didn’t see amperage.. and I’m not quite sure how to calculate it anyways. Any help is much appreciated
The POE distance limitation is about the same as it is for Ethernet. Typically you can go up to 300’ft from the POE device to the camera. The POE output will be 48V not 12V. This allows for the greater distance taking into account voltage drop for 300ft distance on 23 or 24 gauge ethernet cable.
May 31, 2014
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