54
INSTaLLaTION aND CONNECTION
3.9.8.1 Power Supply LED
System power state Green
Yellow
Notes
ON
ON
OFF
Power is taken from the input power supply.
OFF
OFF
OFF
No power supply.
Battery fault
OFF
ON
Check the battery connection.
UPS active
Blinking
OFF
Power is taken from the battery pack.
Table 6:
Power supply LED
3.9.8.2 Front On / Off / Standby - Rear On / Off / Standby LED
System power state
Green
Yellow
Notes
OFF
OFF
OFF
The system is not powered.
Suspend to disk
OFF
ON
It is safe to turn off power supply.
Operating system shutdown procedure is
terminated.
Full on or suspend
to RAM
ON
OFF
System core is full-on or it is in a low power
state keeping current session information
into RAM.
UPS
Blinking
OFF
System core is full-on.
Main power is missing and UPS (optional)
is powering the system.
3.9.8.3 Front On / Off / Standby - Rear On / Off / Standby LED