Ubiquiti Networks NanoBea ac - Manual (Page 11)

4. Connect the other end of the Ethernet cable from the
NanoBeam to the Ethernet port labeled POE on the Gigabit
PoE Adapter.
5. Connect an Ethernet cable from your LAN or computer to
the Ethernet port labeled LAN on the Gigabit PoE Adapter.
6. Connect the Power Cord to the power port on the Gigabit
PoE Adapter. Connect the other end of the Power Cord
to a power outlet.