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20
24-Storage Enclosure front panel LEDs
The enclosure bezel is removed to reveal the underlying 2U24 enclosure front panel LEDs. The front panel
LEDs—including SFF disk LEDs—are described in the table below the illustration.
Figure 9
LEDs: 2U24 enclosure front panel
LED
Description
Definition
1 Enclosure ID
Green — On
Enables you to correlate the enclosure with logical views presented by
management software. Sequential enclosure ID numbering of Storage
Enclosures begins with the integer 0. The enclosure ID for an attached
Storage Enclosure is nonzero.
2 Disk drive — Left LED
3 Disk drive — Right LED
4 Unit locator
White blink — Enclosure is identified
Off — Normal operation
5 Fault/Service Required
Amber — On
Enclosure-level fault condition exists. The event has been acknowledged but
the problem needs attention.
Off — No fault condition exists.
6 CRU OK
Green — On
The enclosure is powered on with at least one power supply operating
normally.
Off — Both power supplies are off; the system is powered off.
7 Temperature Fault
Green — On
The enclosure temperature is normal.
Amber — On
The enclosure temperature is above threshold.
OK
1
2
3
Left ear
Right ear
Integers on disks indicate drive slot numbering sequence.
23
1 2 3
0
4 5 6 7
8 9 10 11 12 13 14 15
16 17 18 19 20 21 22
7
5
4
6
7
5
4
6
(Silk screens on bezel)
Notes: Enclosure bezel is removed to show front panel LEDs.