Cisco C9610 Series Smart Switches Hardware Installation Guide

Understanding LEDs

Updated: February 5, 2026

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Overview

Chassis LEDs
Supervisor module LEDs
Fan tray LEDs
Line card LEDs
Power supply module LEDs

Overview

LED positions and colors in the fan tray, PSU, supervisor module, and line cards.

This section describes the LED positions and colors in the supervisor module, fan tray, line cards, and power supply modules.

Chassis LEDs

This table describes the C9610 series chassis LEDs and the status.

Table 1. LEDs and status
LED type	LED position or color	Description
BLUE BEACON	Blue	Identifies the chassis. You can switch on the LED through the software.
	Blink fast	Indicates that the module requires attention. Configured by the user. The LED blinks at the rate of 1.2 seconds.
	Blink slow	Indicates that the module requires attention. Configured by the user. The LED blinks at the rate of 0.6 seconds.
	Off	Indicates that the module does not require any attention.
FAN	Green	All fans are running and the fan tray is operating normally.
	Amber	One fan is not running.
	Red	Two or more fans are not running.
	Off	Fan tray is not getting any power.

Supervisor module LEDs

This table describes the supervisor module LEDs and the status.

Table 1. LEDs and status
LED type	LED position or color	Description
STATUS	Green	Indicates that all diagnostic tests have passed after image booting.
	Amber	Indicates a major environmental warning.
	Red	Indicates a fault in the module due to parity error or failed diagnostic tests or hardware failure.
	Off	Indicates that the supervisor module is disabled or is not powered up.
BLUE BEACON	Blue	Identifies the supervisor module receiving the beacon signal. You can switch on this beacon through the software.
	Blink fast	Indicates that the module requires attention. Configured by the user. The LED blinks at the rate of 1.2 seconds.
	Blink slow	Indicates that the module requires attention. Configured by the user. The LED blinks at the rate of 0.6 seconds.
	Off	Indicates that the module does not require any attention.
SYSTEM	Green	Indicates that the environmental monitors are normal.
	Amber	Indicates a minor fault such as partial power supply or fan failure.
	Red	Indicates a major fault. For example, situations where the temperature of the supervisor module exceeds the critical threshold.
ACTIVE	Green	Indicates that the supervisor module is operational and is functioning as the active supervisor (in redundant supervisor module configurations).
	Amber	Indicates one of the following: ROMMON mode, or Supervisor module is functioning as the standby supervisor (in redundant supervisor module configurations).
	Blinking amber	Indicates Graceful Insertion and Removal (GIR) of the module.
Solid State Drive (SSD) LED	Green	SSD is installed and working.
Solid State Drive (SSD) LED	Amber	SSD can be removed safely. To unmount the SSD, press the Eject/Status LED button, and wait for the LED to change the color to Amber.

Fan tray LEDs

This table describes the light-emitting diode (LED) information for the fan trays. These LEDs available on the top of the front panel of the chassis display the status of the four fan trays on the rear panel.

Table 1. Fan tray LEDs
LED type	LED position or color	Description
STATUS	Off	Fan tray is not receiving any power.
	Green	All fans are running and the fan tray is operating normally.
	Amber	One fan is not running and the fan tray is not operating properly.
	Red	Two or more fans are not working.
LOCATE or Blue Beacon	Blue	Indicates that the module requires attention. Each of fan trays have a blue beacon, and you can switch on this beacon through the software.
	Blink fast	Indicates that the module requires attention. Configured by the user. The LED blinks at the rate of 1.2 seconds.
	Blink slow	Indicates that the module requires attention. Configured by the user. The LED blinks at the rate of 0.6 seconds.
	Off	Indicates that the module does not require any attention.

Line card LEDs

This table describes the line card LED position or color.

Table 1. Line card LEDs
LED type	LED position or color	Description
Blue beacon	Blue	Indicates that the module requires attention. Provisioned by the administrator of the system.
	Blink fast	Indicates that the module requires attention. The LED blinks at a rate of 0.6 seconds.
	Blink slow	Indicates that the module requires attention. Configured by the user, the LED blinks at a rate of 1.2 seconds.
	Off	Indicates that the module does not need any attention.
Status LED	Green	Indicates that all diagnostic tests have passed and the module is operational.
	Red	Indicates major environmental alarms, if the module is online.
	Amber	Indicates minor environmental alarms, if the module is online.
	Off	Indicates that the module is disabled or is not powered up.
Port LED	Green	Port link is up.
	Amber	Port link is disabled, that is, administratively down.
	Off	No signal is detected, the link is down, or the port is not connected.
	Alternating Green and Amber	Indicates port beacon.
	Blinking Amber	Indicates link faults such as excessive collision errors.
	Blinking Green	Indicates traffic on the port.
		Traffic utilization	Blinking rate
		Less than 5%	Nil
		Between 5% and 30%	At a rate of 1.2 seconds.
		Between 30% and 70%	At a rate of 0.4 seconds.
		More than 70%	At a rate of 0.2 seconds.

Power supply module LEDs

This table describes the power supply module LED position and color.

Table 1. Power supply module LEDs
LED position or color	Description
STATUS	Green	Indicates that the power supply module is switched on with outputs 12V main and 12Vstandby available and in regulation.
	Amber	Indicates one of the following: No output power available AC/DC input is below the operating range No 12V standby from a parallel unit is available Over voltage/over current/over temperature conditions Over-temperature protection due to fan failure
	1Hz blinking Amber	Indicates warning events such as a power supply module that continues to operate in high temperature or high power and a fan that runs slow, and so on.
	1Hz blinking Green	Indicates bootloading mode.
	2Hz blinking Green	Indicates that power switch is turned off with AC/DC input power available or that the power supply is in standby mode.
	Off	Indicates one of the following: No input or output power available AC/DC input is below the operating range No 12V standby from a parallel unit

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