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Switch LEDs
Figure 53: SFP+ Port LEDs
Color
Off
Green
Blinking green
Blinking amber
Amber
Cisco Catalyst 9200 Series Switches Hardware Installation Guide
86
Network Module Link Status
Link is off.
Link is on; no activity.
Activity on a link; no faults.
Note
The LED will blink green even when there is very little control traffic.
Link is off due to a fault or because it has exceeded a limit set in the switch software.
Link faults occur when non-compliant cabling is connected to an SFP/SFP+
Caution
port. Use only standard-compliant cabling to connect to Cisco SFP/SFP+ ports.
You must remove from the network any cable or device that causes a link fault.
Link for the SFP/SFP+/SFP28/QSFP+ has been disabled.
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