Cisco Systems ASR 903 OC-3 Interface Module LEDs, T1/E1 Interface Module LEDs, Color/State

Chapter 5 Troubleshooting

LED Summary

OC-3 Interface Module LEDs

Table 5-13summarizes the LEDs for the OC-3 interface module.

Table 5-12	Interface Module LEDs
LED	Color/State	Description
Power	Off	Disabled/no power to IM
(PWR)
	Green	Enabled and power rails on IM in range
Status	Off	Disabled/power-down
(STAT)
	Red	Failure (on at reset)
	Amber	Booting (if local CPU)
	Green	Operational
Carrier/	Green	SFP receiving good remote signal
Alarm (C/A)
	Yellow	Remote or local alarm activated
Active/	Green	SFP ready and operating normally
Loopback
	Yellow	SFP port in loopback state
(A/L)

T1/E1 Interface Module LEDs

Table 5-13summarizes the LEDs for the T1/E1 interface module.

Table 5-13	T1/E1 Interface Module LEDs
LED	Color/State	Description (two LEDs for eachT1/E1 port)
Active	Green	Active
	Blinking	Standby
	green
	Off	Operationally down; card is disabled or shut down
Port	Green	All ports up
	Blinking	All ports up and one or more ports in a loopback state
	green
	Amber	One or more configured ports are down
	Blinking	One or more configured ports are down and at least one configured port
	amber	is in a loopback state
	Off	All ports disabled or shut down

Cisco ASR 903 Router Hardware Installation Guide

OL-25178-04 5-9