A P P E N D I X
A
LEDs
Certain troubleshooting aids of the Cisco NCS 540 enable you to perform these tasks that assist the
troubleshooting process:
•
•
•
Router LEDs
All the data port LEDs in the Cisco NCS 540 Router is at the front panel. There are 5 LEDs that reflect the
different statuses of the system.
Table 5: Router LED Descriptions
Status
Color
LED
The module is operational and has no active major or critical alarms.
Green
STATUS
Host kernel is booted and is ready to start SysAdmin VM.
Amber
Power-up failure is preventing the CPU from booting (set by hardware).
Red
The module is booting up (set by IOFPGA).
Flashing Amber
(Slow)
The module is booting up (set by BIOS), shutting down, or the SysAdmin
VM is being reloaded.
Flashing Amber
(Fast)
RP0 has active major or critical alarms.
Flashing Red
The module is powered-off (set by hardware).
Off
Cisco NCS 540 Router Hardware Installation Guide
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