120 007-5510-002
8.3.5 Front Panel Drive Activity Indicators
The Front Panel Drive Activity Indicators show the aggregated status of all the modules. This panel and
its associated LEDs are shown in Figure 8–1. The Display Panel LEDs are defined in Table 8–5.
REAR Enclosure Green SAS Link
Activity
ON when a valid link is present on any of
the 4 links of the 4-wide port.
OFF when none of the 4 links of the 4-
wide port have a valid connection.
REAR Enclosure Amber SAS Link Fault ON when a fault is present on any of the 4
links of the 4-wide port.
OFF when none of the 4 links of the 4-
wide port have a fault.
Table 8–4 I/O LEDs
Figure 8–1 Front Panel Drive Activity Indicators Panel
Table 8–5 Display Panel LEDs
ICON LABEL COLOR Definition Normal Behavior
Shelf Identify BLUE enclosure Identity ON-SES is sending an identity
command.
OFF-SES is NOT sending an
identity command
System Fault AMBER Enclosure Fault ON-one or more components
within enclosure have failed. A
service action is required. Exact
failed component has its own
amber fault LED lit.
OFF-no detectable faults
System Power GREEN Enclosure
Powered ON
ON - DC power is present
OFF - DC power is NOT present
LED does NOT flash under
normal operating conditions.
