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8.2 Device Configuration
status LED
A POWER LED and a CHECK LED are installed on the front of the cabinet. The POWER LED
indicates if the power is on or off. And, the CHECK LED indicates if there is any hardware errors or
not. The CHECK LED operates as described below.
Table 8.1 CHECK LED Status
Indication Remarks
No errors
Identifying a device Activated when a maintenance command is used
to identify the target device.
Error The cause of the error will be a power
failure, or abnormal fan rotation.
State
Off
Blinking
On
When a power supply unit or fan unit is failed, the CHECK LED is lighted steadily. And, if a disk
unit fail, its FAULT LED is lighted by software command to identify the faulty disk unit.
When a FAULT LED is lighted up according to hot-swap procedures, the CHECK LED is lighted
steadily to identify an Expansion Disk Cabinet.
Disk units can be hot-swappable easily by opening the front cover of the cabinet. The front cover
has a key lock in order to protect from unauthorized access to the internal units in the Expansion
Disk Cabinet.
Stabilizing foot
The stabilizing feet prevent the expansion disk cabinet from toppling over if it is pushed or shaken,
as during an earthquake. Be sure to attach these feet according to the installation condition as
explained below:
When the expansion cabinet is installed beside a GP7000F main cabinet, attach the stabilizing
feet only to the opposite side of the main cabinet. Do not attach the stabilizing feet to the
GP7000F main cabinet on the side next to the Expansion Cabinet as well.
When the cabinet is installed as a standalone, attach the stabilizing feet on both sides of the
cabinet.
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