DescriptionColor/StateLED Label
Link up with activityGreenTx LEDs
Fault/Error/AlarmSolid Yellow
Link DownOff
Power Supply LEDs
The table below summarizes the power supply LEDs for both the AC and DC power supplies.
Table 44: DC Power Supply LEDs (A900-PWR-550-D)
DescriptionColor/StateLED
No Input VoltageOffInput OK
Input voltage out of rangeAmber
Input voltage within acceptable
operating range
Green
Disabled/Forced Shut down/No
input power
OffOutput Fail
Power supply fault (internal failure
such as over temperature)
Red
OperationalGreen
Table 45: DC Power Supply LEDs (A900-PWR-1200-D)
DescriptionColor/StateLED
No Input VoltageOffInput OK
Input voltage out of rangeAmber
Input voltage within acceptable
operating range
Green
Cisco ASR 903 Aggregation Services Router Hardware Installation Guide
171
Troubleshooting
Power Supply LEDs