Cisco ASR-920-12SZ-IM - LED Summary; Power Supply Leds

Table 20: Alarm Condition Summary
Alarm MeaningAlarm Type
Port in down state.
Environmental sensor threshold exceeded critical
level (voltage, temperature)
Critical
Environmental sensor threshold exceeded major level
(voltage, temperature)
Major
Port administratively shut down.Info
LED Summary
The sections describe the meanings of the LEDs.
Power Supply LEDs
The table below summarizes the power supply LEDs for both the AC and DC power supplies.
Table 21: PSU LED Indication
Power Supply ConditionFAIL LEDPower LED
Power Supply ON; valid
input/output
OffGreen
PSU Warning due to OCP, OTP,
UV, OV, OP, abnormal fan
operation
PSU continues to operate
Red 1Hz blinkingYellow 1Hz blinking
PSU failure due to OCP, OTP, UV,
OV, OP, abnormal fan operation.
No valid output.
OnOff
Valid power present, shutdown by
system.
OffGreen 1Hz blinking
Input voltage lowOffYellow
No valid power input.OffOff
Cisco ASR-920-12SZ-IM Aggregation Services Router Hardware Installation Guide
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Troubleshooting
LED Summary