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Chapter 1 Components
1.2 Drive Enclosures
ETERNUS DX60 S2 Disk storage system User’s Guide -Operation-
26
Copyright 2012 FUJITSU LIMITED P3AM-5512-03ENZ0
1.2.4 Components (Rear)
This section describes the expanders and the power supply units in the rear of the drive enclo-
sure.
■ Expander
The expander is a component that controls how the controller and the disks interact.
Figure 1.23 Expander
● Part explanation
• DI (IN) port
These ports are connectors for miniSAS cables.
• LEDs
The states of LEDs are listed below.
Table 1.10 Status and meanings of each LED (expander)
LED name LED status Expander status
IDENTIFY
(blinks blue)
As ordered via ETERNUS Web GUI, the installation
location of the drive enclosure is identified.
(off)
DI (IN) LINKUP
LED
(green)
The link between the DI (IN) port and the destination
has been established.
(orange)
The DI (IN) port is in error status.
UNIT READY/
FAULT
(green)
The expander is in normal status.
(orange)
• The controller is performing the initial setup after the
power is turned on.
• The expander is in error status.
UNIT READY/FAULT LED
DI (IN) LINKUP LED
DI (IN) port
These ports are not used.
IDENTIFY LED