4-Port C37.94 Interface Module LEDs
The table below summarizes the LEDs for the 37.94 interface module.
Table 53: Cisco ASR 903 Router C37.94 IM LEDs
DescriptionColor/StateLED Label
All power rails are within spec.GreenPower (PWR)
DisabledRed
No PowerOff
Failure
RedOperating Status (STAT)
BootingYellow
OperationalGreen
No PowerOff
Link up with activity
GreenRx LEDs
Fault/Error/Alarm/No SyncSolid
Yellow
Link DownOff
Link up with activity
GreenTx 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 54: DC Power Supply LEDs (A900-PWR-550-D)
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
Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide
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Troubleshooting
4-Port C37.94 Interface Module LEDs