Cisco C9200L-48P-4G Installation Manual page 88

Switch LEDs
Color
Off
Green
Blinking green
Blinking amber
Amber
Cisco Catalyst 9200 Series Switches Hardware Installation Guide
82
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+ has been disabled.
Switch LEDs