Synchronization
4
Status
2
Table 5: Chassis LED Descriptions
Status
Color
LED
The operator has activated this LED to identify this chassis.
Flashing blue
Attention
This chassis is not being identified.
Off
The module is operational and has no active major or critical alarms.
Green
Status
The auto or manual FPD upgrade is in progress.
Flashing Green
The module is in one of the following states:
• Power cycle
• Reload or reimage
• Shutdown
Amber
The module has minor alarm.
Flashing Amber
Power-up failure which prevents the CPU from booting.
Red
The module has active major or critical alarms.
Flashing Red
The module is powered-off.
Off
Time core is synchronized to an external source including IEEE1588.
Green
Synchronization
The system is running in holdover or free-run mode and it is not
synchronized to an external interface.
Amber
The centralized frequency or time and phase distribution is not enabled.
Off
The GPS interface is provisioned and frequency, time of day and phase
inputs are all operating correctly.
Green
GPS
The GPS interface is not provisioned, or the GPS inputs are not working
correctly.
Off
Fan Tray LED
Fan tray modules are located on the back of the chassis. Each fan tray module has a Status LED.
Hardware Installation Guide for Cisco 8100 Series Routers
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LEDs
Fan Tray LED
