Cisco 5520, Deployment Manual

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Temperature Status LED Indicator
The temperature status LED is located on the front panel and indicates whether or not the system is operating within acceptable
temperature limits.
Table 6: Temperature Status LED Indicator
Function LED Indicator Color
Temperature Status Bi-color Yellow
(Amber)
Green
Decode State
Undefined Off
System is operating at normal
temperature Green On
One or more temperature sensors reaches
UCR threshold Amber On
One or more temperature sensors reaches
UNR threshold Amber Blinking
Power Supply Status LED Indicator
The power supply status LED is located on the front panel and indicates proper functioning of the power supply.
Table 7: Power Supply Status LED Indicator
Function LED Indicator Color
AC Power Supply Status Bi-color Yellow
(Amber)
Green
Decode State
Undefined Off
AC power supplies are operating and no
error condition has been detected Green On
One or more power supplies are in a
degraded operational state Amber On
One or more power supplies are in a
critical fault state Amber Blinking
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