Ubiquiti Networks PowerBea ac - Manual (Page 4)

Release Button After you assemble the PowerBeam, check
the Release button; it should be fully engaged in the Release
Button Slot of the Rear Housing. This ensures that the Antenna
Feed is locked into place. If you need to remove the Antenna
Feed, you must depress the Release button first.
LEDs
Signal The default values are shown below:
LED will light blue when the wireless signal
strength is equal to or above -65 dBm.
LED will light blue when the wireless signal
strength is equal to or above -73 dBm.
LED will light blue when the wireless signal
strength is equal to or above -80 dBm.
LED will light blue when the wireless signal
strength is equal to or above -94 dBm.
Ethernet The Ethernet LED will light steady blue
when an active Ethernet connection is made and
flash when there is activity.
Power The Power LED will light blue when the
device is connected to a power source.