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CHAPTER 9 Expansion File Unit Type-2 (GP7B7FLxx)
#1 #2
#3
#4 #5
#2
#1
ACTIVE LED (Green)
FAULT LED (Amber)
Basic SCSI Unit
tape bays
tape bays
Tape Unit Bay Kit
Figure 9.3 Drive Bays of Expansion File Unit Type-2
status LED
A POWER LED and a CHECK LED are installed on the front of the cabinet. The POWER LED
indicate 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 in the Table 9.1 .
Table 9.1 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 blinking
to identify an Expansion Disk Cabinet.
Disk units can be hot-swappable easily by opening the front cover of the cabinet.
Rear Panel
The Figure 9.4 shows the rear panel of Expansion File Unit Type-2.
SCSI OUT
SCSI IN
SCSI OUT
SCSI IN
RCI port
Standard
Expansion File Unit Board
or Expansion Tape Board
Service Pin
Figure 9.4 Rear View of Expansion File Unit Type-2
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