APPENDIX B
LEDs
• Chassis LEDs, on page 127
• System Controller LEDs, on page 128
• Supervisor Module LEDs, on page 128
• Fan Tray LEDs, on page 129
• Fabric Module LEDs, on page 130
• Line Card LEDs, on page 130
• Power Supply LEDs, on page 131
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 130 for more information.Amber
Power supplies are all operational.
GreenPSU
Check the Power Supply LEDs for more information.Amber
Cisco Nexus 9508 NX-OS Mode Switch Hardware Installation Guide
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