Ubiquiti Networks UniF AP AC Outdoor - Manual (Page 13)

Connecting to the PoE GigE Adapter
1. Connect the other end of the Ethernet cable to the
Ethernet port labeled POE on the PoE GigE Adapter.
2. Connect an Ethernet cable from your LAN to the Ethernet
port labeled LAN on the PoE GigE Adapter.
3. Connect the power cord the PoE GigE Adapter and to a
power outlet.