Ubiquiti Networks UniF AP - Manual (Page 12)

Powering the UniFi AP‑PRO
The UniFi AP‑PRO can be powered by the included PoE GigE
Adapter or a compatible PoE device.
Connecting to the PoE GigE Adapter
1. Connect the other end of the Ethernet cable coming from
the Main/48V Ethernet port of the UniFi AP‑PRO 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 to the power port on the PoE GigE
Adapter. Connect the other end of the power cord to a
power outlet.