Table 11: PSU LED Indication
IndicationLED StateLED
Power Supply is working and 12V
output is alright.
GreenOK
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 LEDs1G Copper Port LEDs (Link/Duplex)Event
OffOff/OffROMMON
OffOff/OffIOS Shut
YellowYellow/OffIOS No shut (cable disconnect)
OffGreen/GreenIOS No shut (cable connect)
(media-type RJ-45)
GreenOff/OffIOS No shut (cable connect)
(media-type SFP)
GreenOff/OffIOS No shut (cable connect)
(media-type auto)
Table 13: Management Port LED Indication
Management Port LEDs
(Link/Duplex)
10G Port LEDsEvent
Green/Green (1000 Mbps, Full
Duplex)
Orange/Green (100/10 Mbps, Full
Duplex)
OffROMMON (cable connect)
Off/OffOffROMMON (cable disconnect)
Off/OffOffIOS Shut
Off/OffOrangeIOS 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