Storage Modules Hardware Description and Basic Operations
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Table 11: Status and meanings of each LED (controller)
Power Supply Units
The power supply unit transforms input AC power from a power socket to DC power and
supplies power to each component.
LED name LED status Description
READY/FAULT green The controller is in normal status.
orange
● The controller is performing the initial setup after
the power is turned on.
● The controller is in error status.
blinks
orange
MASTER green The controller is set as a Master CM.
UNIT ID Not used with ETERNUS CS800 S5.
CA FAULT orange The host interface adapter is in error status.
LINK/FAULT green The link between the host interface port and the desti-
nation has been established.
orange The host interface port is in error status.
DI (OUT) LINKUP green The link between the DI (OUT) port and the destination
port has been established.
ACT green The controller is sending or receiving data via the LAN
port (for operation management).
LINK green The link between the LAN port (for operation
management) and the destination has been estab-
lished.