Table 11: PSU LED Indication
Indication
LED State
LED
Power Supply is working and 12V
output is alright.
Green
OK
12V output failure (Either input not
present or fault in the power supply
unit).
Red
System
–
Interface LED Behavior
Table 12: 1G Copper and 1G SFP LED Indication
1G SFP Port LEDs
1G Copper Port LEDs (Link/Duplex)
Event
Off
Off/Off
ROMMON
Off
Off/Off
IOS Shut
Yellow
Yellow/Off
IOS No shut (cable disconnect)
Off
Green/Green
IOS No shut (cable connect)
(media-type RJ-45)
Green
Off/Off
IOS No shut (cable connect)
(media-type SFP)
Green
Off/Off
IOS No shut (cable connect)
(media-type auto)
Table 13: Management Port LED Indication
Management Port LEDs
(Link/Duplex)
10G Port LEDs
Event
Green/Green (1000 Mbps, Full
Duplex)
Orange/Green (100/10 Mbps, Full
Duplex)
Off
ROMMON (cable connect)
Off/Off
Off
ROMMON (cable disconnect)
Off/Off
Off
IOS Shut
Off/Off
Orange
IOS No shut (cable disconnect)
Cisco ASR-920-24SZ-IM, ASR-920-24SZ-M, ASR-920-24TZ-M Aggregation Services Router Hardware Installation
Guide
21
Overview
External Interfaces