APPENDIX B
LEDs
• Chassis LEDs, on page 121
• System Controller LEDs, on page 122
• Supervisor Module LEDs, on page 122
• Fan Tray LEDs, on page 123
• Fabric Module LEDs, on page 124
• Line Card LEDs, on page 124
• Power Supply LEDs, on page 125
Chassis LEDs
The chassis LEDs are located at the top of the front of the chassis. They indicate whether each module
(supervisors, controllers, line cards, fabric modules, fan trays, and power supplies) is fully functional or have
a fault condition. The following table describes the possible states for each of these LEDs.
StatusColorLED
The operator has activated this LED to identify this chassis.Flashing
blue
BCN
This chassis is not being identified.Off
Supervisor modules are all operational.
GreenSUP
Check the Supervisor Module LEDs for more information.Amber
Fabric modules are all operational.
GreenFAB
Check the FAB LED description in the Fan Tray LEDs for more information.Amber
Line cards (I/O modules) are all operational.
GreenIOM
Check Line Card LEDs, on page 124 for more information.Amber
Power supplies are all operational.
GreenPSU
Check the Power Supply LEDs for more information.Amber
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