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Network Module LEDs
Network Module Link Status
Color
Link is off.
Off
Link is on; no activity.
Green
Activity on a link; no faults.
The LED will blink green even when there is very little control traffic.
Note
Blinking green
Link is off due to a fault or because it has exceeded a limit set in the switch software.
Link faults occur when noncompliant cabling is connected to an SFP/SFP+/SFP28
port. Use only standard-compliant cabling to connect to Cisco SFP/SFP+/SFP28
ports. You must remove from the network any cable or device that causes a link
fault.
Caution
Blinking amber
Link for the SFP/SFP+/SFP28 has been disabled.
Amber
Rear Panel
The switch rear panel includes StackWise connectors, StackPower or XPS connectors, ports, fan modules,
and power supply modules.
Cisco Catalyst 9300 Series Switches Hardware Installation Guide
17
Product Overview
Network Module LEDs
Содержание Catalyst 9300 Series
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