Cisco 5520, Deployment Manual

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Table 4: System Status LED Indicator
Function LED Indicator Color
System Status Bi-color Yellow
(Amber)
Green
Decode State
Undefined Off
Card is in normal operating condition Green On
System is in a degraded operational state Amber On
Critical fault state Amber Blinking
Fan Status LED Indicator
The Fan status LED located on front panel indicates the fan health.
Table 5: Fan Status LED Indicator
Function LED Indicator Color
Fan Status Bi-color Yellow
(Amber)
Green
Decode State
Undefined Off
Fans are operating and no error condition
has been detected Green On
Fans are in a degraded operational state
• One of N fans has a fault
Amber On
Critical fault state
• Two or more fans has a fault
Amber Blinking
Adaptive fan speed to control noise issues seen with 5520 FCS hardware is introduced in release version
8.1.131.0.
Note
9