Fan Assembly Leds - Cisco NCS 540 Hardware Installation Manual

Fan Assembly LEDs

LED
ALARM
SYNC
STATUS +
ALARM (Both
LEDs)
TIMING
GNSS
Fan Assembly LEDs
Cisco NCS 540 has 4 fans at the back panel. There is an LED on each fan assembly and they reflect the
different status of the fans.
Cisco NCS 540 Router Hardware Installation Guide
52
Color Status
Red Critical alarm - system-scope (including RP0).
Flashing Red Critical alarm - Relating to voltage rail failures.
Amber Major alarm - system-scope (including RP0).
Flashing Amber Minor alarm - system-scope (including RP0).
Off No alarm.
Time core is synchronized to an external source including IEEE1588.
Green
Flashing Green System is in Synchronous Ethernet mode.
Amber Acquiring state or Holdover: Time core is in acquiring state or holdover
mode.
Off Time core clock synchronization is disabled or in free-running state.
Flashing Red Secure Boot boot flash contents validation failed. (set by IOFPGA).
This case is only applicable immediately after power-on.
Off GPS config and GPS port is down. Time-of-day (ToD), 1PPS, and 10
MHz ports are not provisioned or disabled.
Amber ToD, 1PPS, and 10 MHz signals are not valid.
Green GPS port is up. ToD, 1PPS, and 10 MHz signals are valid.
Off GNSS is not configured.
Green GNSS Normal State. Self-survey is complete.
Red Power up. GNSS is not tracking any satellite.
Amber Auto holdover.
Blinking Green Learning state–normal. Self-survey is not completed.
LEDs