DescriptionColor/StateLED
Fan rotation in range
GreenFan (FAN)
Fan faultAmber
Two or more fan faultsRed
No minor alarm
OffMinor (MIN)
Minor alarmAmber
No major alarm
OffMajor (MAJ)
Major AlarmRed
No critical alarm
OffCritical
(CRIT)
Critical alarm (defaults to ON upon RSP reset)Red
Table 28: Slave Fan Tray LED Details
Fan Fail StatusLED Color
All fans working fineGreen
Single fan failureAmber
Two or more fans have failedRed
Power Supply LEDs
The table below summarizes the power supply LEDs for both the AC and DC power supplies.
Table 29: Power Supply LEDs
DescriptionColor/StateLED
No Input VoltageOffInput OK
Input voltage out of rangeAmber
Input voltage within acceptable operating rangeGreen
Disabled/Forced Shut down/No input power
OffOutput
Fail
Power supply fault (internal failure such as over temperature)Red
OperationalGreen
Output ORING FET FailedBlinking
Red
Cisco NCS 560-4 Router Hardware Installation Guide
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Pinout and LED Details
Power Supply LEDs