
Chapter 3: Subsystem Monitoring
Status-indicating LEDs
3-7
3.2.5 Drive Tray LEDs
The drive trays come with two (2) status-indicating LEDs, one that indicates power and
the other that indicates hard drive activity. The LEDs are shown in Figure 3-4 and their
definitions in Table 3-6.
Figure 3-4: Drive Tray LEDs
LED
Name
Color Status
Drive
Busy
Blue
FLASHING indicates there is read/write activity on the
drive.
OFF indicates there is no read/write activity on the drive.
Power
Status
Green/Red
GREEN indicates that power is being supplied to the drive.
RED indicates that the drive has failed
Table 3-6: Drive Tray LED Definitions
3.2.6 PSU Module LED
The PSU module has one (1) LED located just above the power switch and just below the
retention screw. (See Figure 3-5) The LED indicates the operational status of the PSU
module. Please refer to Table 3-7 for PSU LED definitions.
Figure 3-5: PSU Module LED
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