3.2 Storage Modules
LED name LED status Description
READY LED green The I/O module is in normal status.
IDENTIFY
LED
blue Identifies the installation location of the I/O module.
FAULT LED amber The I/O module is in error status.
Table 10: Status and meanings of each LED (I/O module)
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.
Figure 33: Power supply unit (PSU) of the ETERNUS JX40 S2
Explanation
l Inlet: This inlet is used to connect a power cord.
l PSU switch: This switch is used to turn on and off the AC power supply.
64 ETERNUS CS800
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