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Cisco ASR 903 Router Hardware Installation Guide
OL-25178-05
Chapter5 Troubleshooting
LED Summary
T1/E1 Interface Module LEDs
Table 5 -15 summarizes the LEDs for the T1/E1 interface module.
Serial Interface Module LEDs
Table 5 -15 summarizes the LEDs for the serial interface module.
Table5-15 T1/E1 Interface Module LEDs
LED Color/State Description (two LEDs for eachT1/E1 port)
Active Green Active
Blinking
green
Standby
Off Operationally down; card is disabled or shut down
Port Green All ports up
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
Table5-16 CiscoASR 903 Router LEDs
LED Label Color/State Meaning
Power (PWR) Green All power rails are within spec.
Red Disabled
Off No Power
Operating Status (STAT) Red Failure
Yellow Booting (if IM has a local CPU)
Green Operational
Off No Power
68-Pin Connector LEDs Green At least one of the 4 ports is in an up
state.
Blinking Green At least one of the 4 ports is passing
traffic
Solid Yellow All four ports are successfully
initialized and in a down state
Blinking Yellow At least one of the port has failed
Off All the ports are not enabled (at POR)