Chapter 2 Components
2.2 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.
Power supply units and fan units are installed in the rear.
Figure 2.27 Power supply unit
POWER LED
PSU FAIL LED
AC MISSING LED
FAN FAIL LED
●
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 2.8
POWER
(green)
(off)
(off)
(off)
ETERNUS DX80 S2/DX90 S2 Disk storage system User's Guide -Installation-
Status and meanings of each LED (power supply unit)
LED name
PSU FAIL
AC MISSING
(off)
(off)
(off)
(off)
(amber)
(amber)
(amber)
(amber)
Copyright 2013 FUJITSU LIMITED
Inlet
PSU switch
FAN FAIL
(off)
(off)
(off or amber)
(amber)
43
Power supply unit status
AC power is supplied to the drive
enclosure.
AC power is not supplied to the drive
enclosure.
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-4832-07ENZ0