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Cisco ASR 920 Series Aggregation Services Router Hardware Installation Guide
OL-32751-01
Chapter 1 Cisco ASR 920 Series Aggregation Services Router Overview
Cisco ASR 920 Router Features
Power Supply Unit LEDs
Each power supply unit has a corresponding LED on the front panel.
System–Interface LED Behavior
Table 1-7
RJ-45 LED Indication
LED
LED State
Indication
Left
Green
Link up in 10/100/1000Base-T
Blinking Green
Activity in 10/100/1000Base-T
Yellow
Fault/Error
Off
Link down
Right
Green
Link up in full duplex
Off
Link up in half duplex
Table 1-8
PSU LED Indication
LED
LED State
Indication
OK
Green
Power Supply is working and 12V output is alright.
Red
12V output failure (Either input not present or fault
in the power supply unit).
Table 1-9
1G Copper and 1G SFP LED Indication
Event
1G Copper Port LEDs
(Link/Duplex)
1G SFP Port LEDs
ROMMON
Off/Off
Off
IOS Shut
Off/Off
Off
IOS No shut (cable disconnect)
Yellow/Off
Yellow
IOS No shut (cable connect)
(media-type RJ-45)
Green/Green
Off
IOS No shut (cable connect)
(media-type SFP)
Off/Off
Green
IOS No shut (cable connect)
(media-type auto)
Off/Off
Green
Table 1-10
Dual Rate and Management Port LED Indication
Event
Dual Rate (1G/10G) Port LEDs
Management Port LEDs
(Link/Duplex)
ROMMON
Off
Green/Off
IOS Shut
Off
Off/Off