Cisco Systems 3560-X, 3750-X manual USB Console LED, 1-11

Chapter 1 Product Overview

Front Panel Description

Table 1-9	Meaning of Switch LED Colors in Different Modes (continued)
Port Mode		Port LED Color	Meaning
DUPLX		Off	Port is operating in half duplex.
(duplex)
		Green	Port is operating in full duplex.
MAST1		Off	The switch is not the stack master.
(data stack			Note For a standalone switch, this LED is off.
master)
		Green	The switch is the stack master.
		Amber	Error during stack master election.
STACK1		Off	No stack member corresponding to that member number.
(stack member)
		Blinking green	Stack member number.
		Green	Member numbers of other stack member switches.
PoE+2		Off	PoE+ is off.
			If the powered device is receiving power from an AC power source,
			the port LED is off even if the device is connected to the switch port.
		Green	PoE+ is on. The port LED is green when the switch port is providing
			power.
		Alternating	PoE+ is denied because providing power to the powered device will
		green and	exceed the switch power capacity.
		amber
		Blinking amber	PoE+ is off due to a fault or because it has exceeded a limit set in
			the switch software.
			Caution PoE+ faults are caused when noncompliant cabling or
				powered devices are connected to a PoE+ port. Use only
				standard-compliant cabling to connect Cisco prestandard
				IP Phones and wireless access points or
				IEEE 802.3af-compliant devices to PoE+ ports. You must
				remove from the network any cable or device that causes
				a PoE+ fault.
		Amber	PoE+ for the port has been disabled.
			Note PoE+ is enabled by default.

1.Only Catalyst 3750-X switches.

2.Only switches with PoE or PoE+ ports.

USB Console LED

The USB console LED shows whether there is an active USB connection to the port.

	Catalyst 3750-X and 3560-X Switch Hardware Installation Guide
OL-19593-01		1-11