Table 3: USB Console LED
DescriptionColorLED
USB console port is active.GreenUSB console port
The USB is disabled.Off
System LED
Table 4: System LED
System StatusColor
System is not powered on.Off
System is operating normally.Green
System is loading the software.Blinking green
System is receiving power but is not functioning
properly.
Amber
There is a fault with one of the following:
• Network module (non traffic-related)
• Power supply
• Fan module
Blinking amber
Active LED
Table 5: Active LED
DescriptionColor
Switch is not the active switch.Off
Switch is the active switch or a standalone switch.Green
Switch is in stack standby mode.Slow blinking green
An error occurred when the switch was selecting the active switch, or another type
of stack error occurred.
Amber
STACK LED
The STACK LED shows the sequence of member switches in a stack. Up to eight switches can be members
of a stack. The first eight port LEDs show the member number of a switch in a stack.
Figure 5: STACK LED
This figure shows the LEDs on for each switch. When you press the Mode button to select the STACK LED,
the corresponding port LEDs will blink green for each switch. For example, for switch 1, port 1 will blink
Cisco Catalyst 9300 Series Switches Hardware Installation Guide
8
Product Overview
System LED
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