Figure 1.15 Power Supply Unit - Fujitsu Eternus DX80 S2 User Manual

Chapter 1 Components
1.1 Controller Enclosure
1.1.4.2 Power Supply Units
The power supply unit transforms input AC power from a power socket to DC power and supplies
power to each component.
Each power supply unit contains fans.
POWER LED
AC MISSING LED
PSU FAIL LED
FAN FAIL LED

Figure 1.15 Power supply unit

●
Part explanation
• Inlet
This inlet is used to connect a power cord.
• PSU switch
This switch is used to turn on and off the AC power supply.
• LEDs
The states of LEDs are listed below.
Table 1.4
(blinks green)
ETERNUS DX80 S2/DX90 S2 Disk storage system User's Guide -Operation-
Status and meanings of each LED (power supply unit)
LED name
POWER AC MISSING
(off)
(off)
(green)
(off) (off)
(off) (orange)
(off) (orange)
Copyright 2012 FUJITSU LIMITED
Inlet
PSU switch
PSU FAIL FAN FAIL
(off) (off)
(off) (off)
(off) (off)
(orange) (off or on)
(orange) (orange)
22
Power supply unit status
AC power is supplied to the
power supply unit but the
ETERNUS DX Disk storage
system (DC power) is not
turned on.
The power of the ETERNUS
DX Disk storage system (DC
power) is turned on and the
power supply unit is
operating normally.
AC power is not supplied to
power supply units.
AC power is not supplied to
this power supply unit, but
AC power is supplied to the
other power supply unit.
The power supply unit or the
fan in the power supply unit
is in error status.
P3AM-4842-03ENZ0