Power Supply ConditionFAIL LEDPower LED
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
System–Interface LED Behavior
Table 9: 1G Copper and 1G SFP LED Indication
1G SFP Port LEDs1G Copper Port LEDs (Link)Event
OffOffROMMON
OffOffIOS Shut
AmberAmberIOS No shut (cable disconnect)
GreenGreenIOS No shut (Link Up)
Table 10: Dual Rate Port LED Indication
Dual Rate (1G/10G) Port LEDsEvent
OffROMMON
OffIOS Shut
AmberIOS No shut (cable disconnect)
GreenIOS No shut (Link Up)
Table 11: Management Port LED Indication
Management Port LEDs (Link/Duplex)Event
Green/OffROMMON
Off/OffIOS Shut
Cisco ASR-920-12SZ-IM Aggregation Services Router Hardware Installation Guide
15
Cisco ASR 920 Series Aggregation Services Router Overview
LED Indicators