Cisco Systems IE301024TC manual Console LEDs, Port LEDs, Color Description, LED Color Meaning

Chapter 1 Product Overview

Cable Side

Console LEDs

The console LEDs show which console port is in use. See Figure 1-6and Figure 1-9for the LED locations.

If you connect a cable to a console port, the switch automatically uses that port for console communication. If you connect two console cables, the USB console port has priority.

Table 1-7	RJ-45 and USB Console Port LEDs
LED		Color	Description
RJ-45 console port		Green	RJ-45 console port is active.
			USB console port LED is off.
		Off	Port is not active.
			USB console port is active.
USB console port		Green	USB console port is active.
			RJ-45 console port LED is off.
		Off	Port is not active.
			RJ-45 console port is active.

Port LEDs

RJ-45 ports and SFP-module slots have port LEDs. Port LEDs, as a group or individually, provide information about the switch and about the individual ports.

Table 1-8 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 as excessive
green-amber	collisions, CRC errors, and alignment and jabber errors are monitored for link
	faults.
Amber	Port is blocked by Spanning Tree Protocol (STP) and is not forwarding data.
	After a port is reconfigured, the port LED is amber for up to 30 seconds as STP
	searches for loops.

Cisco IE 3010 Switch Hardware Installation Guide

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