Cisco NCS 540 Installation Manual page 52

Router LEDs
LED Label
STS
ALM
SYNC
Cisco Network Convergence System 540 Passive Cooled Small Density Routers Hardware Installation Guide
46
Color
Off
Flashing Amber (Slow)
Flashing Amber (Fast)
Amber
Green
Flashing Red
Off
Red
Flashing Red
Amber
Flashing Amber
Off
Green
Flashing Green
Amber
Appendix
Status
the system is placed in shutdown
mode; only standby power mode is
available.
The module is booting up.
The module is booting up, shutting
down, or is being reloaded.
Host kernel is booted and is ready
to start SysAdmin VM.
The module is operational and has
no active major or critical alarms.
The router has active major or
critical alarms.
No alarm
Critical alarm - system scope,
critical temperature
Critical alarm - Relating to voltage
rail failures
Major alarm - system-scope
Minor alarm - system-scope
Time core clock synchronization is
disabled or in free-running state.
Time core is synchronized to an
external source including
IEEE1588.
System is in Synchronous Ethernet
mode.
Acquiring state or Holdover: Time
core is in acquiring state or
holdover mode.