Cisco Systems ME 2400 manual Rear Panel Description, Port LEDs

Chapter 1 Product Overview

Rear Panel Description

The System LED shows whether the system is receiving power and is functioning properly.

Table 1-1lists the LED colors and their meanings.

Table 1-1	System LED
Color		System Status
Off		System is not powered on.
Blinking green		POST is in progress.
Green		System is operating normally.
Amber		System is receiving power but is not functioning properly.

Port LEDs

Each RJ-45 port and SFP module slot has a port LED. These port LEDs, as a group or individually, display information about the switch and about the individual ports. Table 1-2explains how to interpret the port LED colors.

Table 1-2 Meaning of Port LED Colors

LED Color	Meaning
Off	No link, or port was administratively shut down.
Green	Link present but not sending or receiving data.
Blinking green	Activity. Port is sending or receiving data.
Alternating	Link fault. Error frames can affect connectivity, and errors such
green-amber	as excessive collisions, CRC errors, and alignment and jabber
	errors are monitored for a link-fault indication.
Amber	Port is disabled.

Rear Panel Description

The Cisco ME switch rear panel has a cable lock and an exhaust fan. (See Figure 1-5.)

Figure 1-5 Cisco ME Switch Rear Panel

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2

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Cable lock 3 Ground connector

Fan exhaust

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Cisco ME 2400 Ethernet Access Switch Hardware Installation Guide

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