Description (two LEDs for eachT1/E1 port)Color/StateLED
All ports up
GreenPort
All ports up and one or more ports in a loopback stateBlinking green
One or more configured ports are downAmber
One or more configured ports are down and at least one configured port is in a
loopback state
Blinking amber
All ports disabled or shut downOff
All power rails are within supported range
GreenPWR
DisabledRed
No power on the interface moduleOff
Failed
RedSTAT
Disabled or powered downOff
BootingBlinking red
ActiveGreen
Table 48: 8-port T1/E1 Interface Module LEDs
Description (two LEDs for eachT1/E1 port)Color/StateLED
ActiveGreenActive
StandbyBlinking green
Operationally down; card is disabled or shut downOff
All ports up
GreenPort
All ports up and one or more ports in a loopback stateBlinking green
One or more configured ports are downAmber
One or more configured ports are down and at least one configured port is in a
loopback state
Blinking amber
All ports disabled or shut downOff
All power rails are within supported range
GreenPWR
DisabledRed
No power on the interface moduleOff
Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide
181
Troubleshooting
T1/E1 Interface Module LEDs