LED Designations, Port LEDs, System Leds

LED Designations

This section provides an explanation for the following LED types:

•“Port LEDs”

•“System LEDS”

Port	LED	Designation

24/48-10/100/1000 Ports	Link/ACT LED	• Off - No 10/100/1000Mbps link is established on
- One LED/Port		the port.
		• Solid Green - A valid 1000Mbps link is established
		on the port.
		• Flashing Green - Packet transmission or reception
		is occurring on the port at 1000Mbps.
		• Solid Yellow - A valid 10/100Mbps link is
		established on the port.
		• Flashing Yellow - Packet transmission or
		reception is occurring on the port at 10/100Mbps.
		Note: If port 45-48 media is SFP, the copper LED
		displays the OFF status.
4-SFP Ports - One LED/	SFP Link/ACT LED	• Off - No link is established on the port.
Port		• Solid Green - A valid 1000Mbps SFP module link
		is established on the port.
		• Flashing Green - Packet transmission or reception
		is occurring on the port at 1000Mbps.
		• Solid Yellow - A valid 100Mbps SFP module link is
		established on the port.
		• Flashing Yellow - Packet transmission or
		reception is occurring on the port at 100Mbps.
		Note: If port 45-48 media is copper, the SFP LED
		displays the OFF status.

The following table describes the port LED designations.

Physical Description

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v1.0, October 2008