Cisco ASR 903 Installation Manual page 191

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