Fujitsu ETERNUS DX S5 Series - Figure 77 Power Supply Unit (Drive Enclosure) (AC Power Type); Figure 78 Power Supply Unit (Drive Enclosure) (DC Power Type); Table 37 Status and Meaning of each LED (Power Supply Unit (Drive Enclosure))

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Power Supply Units
There are two types of the power supply units: AC power type and DC power type. The AC power type power
supply unit converts input power from a power socket to DC power and supplies power to each component.
A drive enclosure has two power supply units.
Each power supply unit contains fans.
Figure 77 Power Supply Unit (Drive Enclosure) (AC Power Type)
1 2
POWER LED
FAULT LED AC MISSING LED
FAN FAIL LED
Figure 78 Power Supply Unit (Drive Enclosure) (DC Power Type)
POWER LED
FAULT LED AC MISSING LED
FAN FAIL LED
1
2
1 PSU switch
This switch is used to turn on and off the power supply.
2 Inlet
This inlet is used to connect a power cord.
The LEDs turn on or blink to indicate the statuses that are listed below.
Table 37
Status and Meaning of Each LED (Power Supply Unit (Drive Enclosure))
LED name LED status Meaning
POWER
(green)
Power is supplied to the power supply unit.
(blinks green)
Power is supplied to the power supply unit, but DC power is not
supplied to the ETERNUS DX.
FAULT
(amber)
Power is not supplied to the power supply unit.
AC MISSING
(amber)
Power is not supplied to this power supply unit, but power is supplied
to the other power supply unit.
FAN FAIL
(amber)
The power supply unit or the fan in the power supply unit is in error
status.
A. Component Names
Drive Enclosure
252 Configuration Guide (Basic)