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LEDs on the back panel
Figure 12 shows the back panel of the switch with the switch status LED identified.
Table 6 lists the back panel LED and describes the following items:
v
The name of the LED
v
The location of the LED
v
The color of the LED
v
The status of the switch that is associated with each LED color
v
The actions that you can take in response to that status
Table 6. Back panel LED patterns during normal operation
Name of LED
Location of LED
Color of LED
Status of hardware
Action
Switch Status
Center of back
panel
No light
Either the switch is off,
the startup process is
not complete, or the
startup has failed.
Verify that the switch is
on and that the startup
process has had time to
complete. If there is still
no light, contact IBM.
Steady green
The switch is on, and
startup has successfully
completed.
No action is required.
Steady yellow
A diagnostic test is in
progress, or one or
more ports are faulty.
If no diagnostic tests are
running, check the Port
Status LEDs for fault
indicators (see Table 5 on
page 26).
Slow-flashing yellow
A diagnostic failure has
occurred on one or
more ports.
Errors might be listed in
the error log. Refer to the
Brocade Diagnostic and
System Error Message
Reference for more
information.
Interpreting POST
The 3534 Model F08 automatically performs a POST when the switch is plugged in,
restarted, or the system is reset. A POST includes a number of diagnostic tests.
You can monitor test results through the LED activity, error log, Telnet command,
from a terminal screen, and so on.
A POST completes in 4.5 minutes. A slightly longer version of the memory test is
performed after cold starts. A cold start occurs after a complete power cycle, when
SJ000354
Switch Status LED
Figure 12. Back panel LED
28
IBM TotalStorage SAN Switch: 3534 Model F08 Installation and User’s Guide
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