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