Status
Color
LED
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.
Figure 20: Fan Tray LED - Cisco 8201 Chassis
Status
Color
LED
Fan is operating normally.
Green
STATUS
Fan tray is inserted and pending to come online.
Amber
Fan has failed.
Flashing
Amber
The operator has activated this LED to identify a specific fan.
Flashing Blue
Fan is not receiving power.
Off
Hardware Installation Guide for Cisco 8200 Series Routers
43
LEDs
Fan Tray LED