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Cisco ASR 903 Router Hardware Installation Guide
OL-25178-05
Chapter 5 Troubleshooting
LED Summary
Fan Tray LEDs
Table 5-19 summarizes the fan tray LEDs.
Alarm Conditions
Table 5-20 summarizes the meaning of alarm conditions on the Cisco ASR 903 Router.
Table 5-19 Fan Tray LEDs
LED Color/State Description
Status
(TEMP)
Off Disabled/power down
Amber Over temperature
Green OK
Fan (FAN) Green Fan rotation in range
Amber Fan fault
Red Two or more fan faults
Minor
(MIN)
Off No minor alarm
Amber Minor alarm
Major
(MAJ)
Off No major alarm
Red Major alarm
Critical
(CRIT)
Off No critical alarm
Red Critical alarm (defaults to ON upon RSP reset)
Table 5-20 Alarm Condition Summary
Alarm Type Alarm Meaning
Critical RSP OIR
Power supply OIR
Port in down state
Environmental sensor threshold exceeded (voltage, temperature)
IM OIR
IM crash
Major Standby RSP in ROMmon mode
RSP removed
RSP failure
Info Port administratively shut down