Table 20: I/O modules LEDs, drive enclosure rear view
LED function
Display State
Health/Fault Green solid Normal operation
Amber solid Fault
UID/Service Blue solid Location requested; safe to remove
Blue flashing Location requested; do not remove
Indicates maintenance in progress; for example,
firmware updating
Figure 56: SAS port LEDs, drive enclosure rear view
LED Function Status State
1 Activity Green solid
• With amber Fault LED off, link at high speed with no
activity.
• With solid amber Fault LED, link at low speed with no
activity.
Green flashing
• With amber Fault LED off, link at high speed with activity.
• With solid amber Fault LED, link at low speed with activity.
• With flashing amber Fault LED, locate requested.
Off
With solid amber Fault LED, no link or no cable connected.
Table Continued
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