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HP P2000 G3 SAS MSA System User Guide 63
Power supply LEDs
Power redundancy is achieved through two independent load-sharing power supplies. In the event of a
power supply failure, or the failure of the power source, the storage system can operate continuously on a
single power supply. Greater redundancy can be achieved by connecting the power supplies to separate
circuits. DC power supplies are equipped with a power switch. AC power supplies may or may not have a
power switch (model shown below has no power switch). Whether a power supply has a power switch is
significant to powering on/off.
NOTE: See Powering on/powering off on page 33 for information on power-cycling enclosures.
AC model DC model
Table 18 LEDs — HP P2000 G3 MSA System power supply units — rear panel
LED Description Definition
1 Input Source Power Good Green — Power is on and input voltage is normal.
Off — Power is off or input voltage is below the minimum
threshold.
2 Voltage/Fan Fault/Service Required Amber — Output voltage is out of range or a fan is operating
below the minimum required RPM.
Off — Output voltage is normal.
1
2
1
2