T1/E1 Interface Module Leds - Cisco ASR 907 Hardware Installation Manual

Troubleshooting
LED
Status (STAT)
Carrier/Alarm (C/A)
Active/Loopback(A/L)

T1/E1 Interface Module LEDs

The table below summarizes the LEDs for the 16 T1/E1 interface module.
Table 27: 16 T1/E1 Interface Module LEDs
LED
Active
Port
Color/State
Off
Red
Amber
Green
Green
Yellow
Green
Yellow
Color/State
Green
Blinking green
Off
Green
Blinking green
Amber
Blinking amber
Off
Cisco ASR 907 Router Hardware Installation Guide
Interface Module LEDs
Description
Disabled/power-down
Failure (on at reset)
Booting (if local CPU)
Operational
SFP receiving good remote signal
Remote or local alarm activated
SFP ready and operating normally
SFP port in loopback state
Description (two LEDs for
eachT1/E1 port)
Active
Standby
Operationally down; card is
disabled or shut down
All ports up
All ports up and one or more ports
in a loopback state
One or more configured ports are
down
One or more configured ports are
down and at least one configured
port is in a loopback state
All ports disabled or shut down
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