1. Open adjacent ceiling tile.
2. Unplug the POE splitter from the ethernet patch cable.
3. Unplug the micro USB from the ceiling sensor itself.
4. Plug in the new micro USB from the POE splitter into the ceiling sensor through the hole in the panel.
5. Plug ethernet patch cable into the POE splitter.
6. Lights should indicate that the POE splitter is powered on (either one or both of the lights needs to be on to show that it is working).
7. Make sure the ceiling senor is locked back into the blue backing and then replace ceiling tile. Make sure the LED on the ceiling sensor is on, indicating that it is receiving power.