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Power Supply Unit (PSU)
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.
Figure 39: Power supply unit (PSU) of the ETERNUS DX100 S3 controller enclosure
LED name
Power
Fault
AC missing
Fan fail
Table 13: Status and meanings of each LED (power supply unit)
For detailed information on ETERNUS DX100 S3 storage module see
storage module manuals.
ETERNUS CS800
LED status
Description
green
AC power is supplied to the power supply
unit.
amber
AC power is not supplied to the power
supply unit.
amber
AC power is not supplied to this power supply unit,
but AC power is supplied to the other power supply
unit.
amber
The power supply unit or the fan in the power supply
unit is in error status.
3 Hardware Description
ETERNUS DX100 S3
69
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