Users Guide
Interpreting LED colors and blinking patterns
The LEDs on the chassis provide the following status of a component:
• A blinking amber LED on a module indicates a fault on that module.
• Blue, blinking LEDs are congurable by the user and used for identication. For more information about conguration, see
CMC_Stmp_Conguring LEDs to Identify Components on the Chassis.
Table 33. LED Color and Blinking Patterns
Component LED Color, Blinking Pattern Status
CMC Turned on
Firmware is being uploaded
Turned o
Blue, glowing steadily Active
Blue, blinking User-enabled module identier
Amber, glowing steadily Not used
Amber, blinking Fault
Server Turned on
Firmware is being uploaded
Turned o
Blue, glowing steadily Server is selected on the KVM
Blue, blinking User-enabled module identier
Amber, glowing steadily Not used
Amber, blinking Fault
Blue, dark No fault
IOM (Common) Green, glowing steadily Turned on
Green, blinking Firmware is being uploaded
Green, dark Turned o
Blue, glowing steadily Normal/stack master
Blue, blinking User-enabled module identier
Amber, glowing steadily Not used
Amber, blinking Fault
Blue, dark No fault/stack slave
IOM (Pass through) Green, glowing steadily Turned on
Green, blinking Not used
Green, dark Powered o
Blue, glowing steadily Normal
162 Troubleshooting and recovery