Chapter 1 Components
1.2 Drive Enclosures
■
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 1.26 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 1.8
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)
(green)
(off)
(off)
(off)
(orange)
(off)
(orange)
Copyright 2012 FUJITSU LIMITED
Inlet
PSU switch
PSU FAIL
FAN FAIL
(off)
(off)
(off)
(off)
(orange)
(off or on)
(orange)
(orange)
28
Power supply unit status
AC power is supplied to the
power supply unit.
AC power is not supplied to the
power supply unit.
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