DescriptionColor/StateLED Label
FailureRedOperating Status (STAT)
Booting (if IM has a local CPU)Yellow
OperationalGreen
No PowerOff
Call establishedGreenPort Bi-color LEDs
Not usedBlinking Green
Call not establishedSolid Yellow
Not usedBlinking Yellow
InitializedOff
4-Port C37.94 Interface Module LEDs
The table below summarizes the LEDs for the 37.94 interface module.
Table 43: Cisco ASR 903 Router C37.94 IM LEDs
DescriptionColor/StateLED Label
All power rails are within spec.GreenPower (PWR)
DisabledRed
No PowerOff
FailureRedOperating Status (STAT)
BootingYellow
OperationalGreen
No PowerOff
Link up with activityGreenRx LEDs
Fault/Error/Alarm/No SyncSolid Yellow
Link DownOff
Cisco ASR 903 Aggregation Services Router Hardware Installation Guide
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Troubleshooting
Interface Module LEDs