Ubiquiti US-16-150W Quick Start Manual page 6

Front Panel System LED
System
State
White
Flashing White
Alternating
White/Blue
Blue
Flashing Blue
Status
Factory defaults, waiting for integration.
Initializing.
Device is busy; do not use or unplug it.
This usually indicates that a process such
as a firmware upgrade is taking place.
Successfully integrated into a network
and working properly.
This is used to locate a device.
When you click Locate in the UniFi
Controller software, the System LED
will flash blue. The software will also
display the location of the UniFi Switch
on the map.
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