Cisco Systems AIR-CT2504-5-K9, 2500 manual Reset

Callout		Port and LEDs	State and Description
RESET		Reset button	Pushing the Reset button reboots the system.
PWR		Power LED	The power LED light is on when all the power
			conversion circuits are running normally.
			LED description:
			• Green—Power is on
			• Off—No power to the system
SYS		System LED	The system LED determines if the system is powered up.
			LED description:
			• Blinking Amber—Boot-loader is active and waiting
			for user input from the system console.
			• Blinking Green—Boot-loader or booting.
			• Green—Normal System Operation.
			• Amber—System failed the bootup process or an
			error caused the system to halt. A status or error
			message is posted on the console screen.
			• Off—System not receiving power.
ALM		Alarm LED	The alarm LED determines a status or error occurred.
			The status or error is posted on the console screen.
			LED description:
			• Blinking Green—Controller image upgrading.
			• Amber—Controller status activity, such as
			firmware upgrade.
			• Blinking Amber—Controller error. For example, a
			temperature error exists.
Caution	Do not connect a Power over Ethernet (PoE) cable to the console port. Doing so will
	damage the controller.

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