External Interfaces
LED
Power (PWR)
Operating
Status(STAT)
RJ-45 LEDs
Each RJ-45 port has two LED indicators. Left LED indicates the Link status; right LED indicates the status
of the duplex LED.
Table 10: RJ-45 LED Indication
LED
Left
Right
Power Supply Unit LEDs
Each power supply unit has a corresponding LED on the front panel.
Cisco ASR-920-24SZ-IM, ASR-920-24SZ-M, ASR-920-24TZ-M Aggregation Services Router Hardware Installation
Guide
20
LED State
Indication
Green
All power rails
are within
supported range
Red
Disabled
Off
No power to the
Interface
Module
Red
Failed
Off
Disabled or
powered-down
Blinking red
Booting
Green
Active
LED State
Green
Blinking Green
Yellow
Off
Green
Off
Overview
Indication
Link up in 10/100/1000Base-T
Activity in 10/100/1000Base-T
Fault/Error
Link down
Link up in full duplex
Link up in half duplex