CPU Management Port LEDs
The LED for the 100/1000 Management port is integrated on the connector itself. There are two LEDs in the
connector
—
the LED on the left indicates the Link/Activity status and the LED on the right indicates the
duplex status of the link.
Table 4: CPU Management Port LED Indication
Indication
LED State
LED
Link up in 1000 Mbps
Green
Left
Activity in 1000 Mbps
Blinking Green
Link up in 100 Mbps
Amber
Activity in 100 Mbps
Blinking Amber
Link down
Off
Link up in full duplex
Green
Right
Link up in half duplex
Off
SFP LEDs
Each SFP port has an LED indicator.
Table 5: SFP Port LED Indication
Indication
LED State
LED
Link up in
1000Base-X/100Base-FX
Green
Labeled same as the SFP port
number
Activity in 1000
Base-X/100Base-FX
Blinking Green
Fault/Error/Link down
Amber
Administratively down
Off
SFP+ LEDs
Each SFP+ port has an LED indicator.
Cisco ASR-920-12SZ-IM Aggregation Services Router Hardware Installation Guide
13
Cisco ASR 920 Series Aggregation Services Router Overview
LED Indicators