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
IndicationLED StateLED
Link up in 1000 MbpsGreenLeft
Activity in 1000 MbpsBlinking Green
Link up in 100 MbpsAmber
Activity in 100 MbpsBlinking Amber
Link downOff
Link up in full duplexGreenRight
Link up in half duplexOff
SFP LEDs
Each SFP port has an LED indicator.
Table 5: SFP Port LED Indication
IndicationLED StateLED
Link up in
1000Base-X/100Base-FX
GreenLabeled same as the SFP port
number
Activity in 1000
Base-X/100Base-FX
Blinking Green
Fault/Error/Link downAmber
Administratively downOff
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