
Description (two LEDs for eachT1/E1 port)
Color/State
LED
All ports up
Green
Port
All ports up and one or more ports in a loopback state
Blinking green
One or more configured ports are down
Amber
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 down
Off
All power rails are within supported range
Green
PWR
Disabled
Red
No power on the interface module
Off
Failed
Red
STAT
Disabled or powered down
Off
Booting
Blinking red
Active
Green
Table 48: 8-port T1/E1 Interface Module LEDs
Description (two LEDs for eachT1/E1 port)
Color/State
LED
Active
Green
Active
Standby
Blinking green
Operationally down; card is disabled or shut down
Off
All ports up
Green
Port
All ports up and one or more ports in a loopback state
Blinking green
One or more configured ports are down
Amber
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 down
Off
All power rails are within supported range
Green
PWR
Disabled
Red
No power on the interface module
Off
Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide
181
Troubleshooting
T1/E1 Interface Module LEDs