Ubiquiti Networks airFibe5X - Manual (Page 9)

2. Connect an Ethernet cable to the DATA port.
3. Connect the Ethernet cable from the DATA port to the
Ethernet port labeled POE on the airFiber PoE Adapter.
WARNING: Use only the included airFiber PoE Adapter,
Model: GP-H240-100G-4. Failure to do so can damage
the unit and void the product warranty.
4. Connect the Power Cord to the power port on the airFiber
PoE Adapter. Connect the other end of the Power Cord to a
power source.