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59229-05 A 4-1
4 Diagnostics/Troubleshooting
This section describes how to recognize, diagnose, and correct problems.
Diagnostic information about the switch is available through the various switch
LEDs and through the Enterprise Fabric Suite 2007, QuickTools, and CLI event
logs and error displays.
The Maintenance Panel presents the Chassis Fault LED as a general index to the
switch operational status. The Chassis Fault LED illuminates to indicate faults that
have occurred on the CPU blades, I/O blades, Power Supply blades, and Fan
blades. The corresponding Fault LED on the blade illuminates to indicate the
source of the problem. Following the Fault LEDs to the source and then observing
the other LEDs on the blade can provide helpful information. Supporting
information from the Enterprise Fabric Suite 2007, QuickTools, or the CLI provide
more detailed information.
The following topics describe the Power-on Self Test and the various component
diagnostics, concluding with switch recovery.
Power-On Self Test
Error Code Blink Patterns
CPU Blade Diagnostics
I/O Blade Diagnostics
FC Port Diagnostics
Transceiver Diagnostics
Power Supply Blade Diagnostics
Fan Blade Diagnostics
Recovering a Switch Using Maintenance Mode