Storage Modules Hardware Description and Basic Operations
72 U41840-J-Z125-7-76
Table 14: 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.
Figure 34: Power supply unit
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.
LED name LED status Description
FAULT blinks orange The I/O module is in error status.
DI (OUT) LINKUP green The link between the DI (OUT) port and the desti-
nation port has been established.
DI (IN) LINKUP green The link between the DI (IN) port and the source port
has been established.
POWER LED
AC MISSING LED
PSU FAIL LED
FAN FAIL LED
Inlet
PSU switch
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