5-10
Cisco ASR 903 Router Hardware Installation Guide
OL-25178-05
Chapter5 Troubleshooting
LED Summary
OC-3 Interface Module LEDs
Table 5 -15 summarizes the LEDs for the OC-3 interface module.
Table5-13 Interface Module LEDs
LED Color/State Description
Power
(PWR)
Off Disabled/no power to IM
Green Enabled and power rails on IM in range
Status
(STAT)
Off Disabled/power-down
Red Failure (on at reset)
Amber Booting (if local CPU)
Green Operational
Link status
(L)
Off Inactive or no connection
Amber Fault/loop condition
Green Ok with no activity
Flashing
green
OK with activity
Speed (S) Off 100/10 Mbps/Slow
Green 1Gbps/Full
Table5-14 Interface Module LEDs
LED Color/State Description
Power
(PWR)
Off Disabled/no power to IM
Green Enabled and power rails on IM in range
Status
(STAT)
Off Disabled/power-down
Red Failure (on at reset)
Amber Booting (if local CPU)
Green Operational
Carrier/
Alarm (C/A)
Green SFP receiving good remote signal
Yellow Remote or local alarm activated
Active/
Loopback
(A/L)
Green SFP ready and operating normally
Yellow SFP port in loopback state