Cisco Systems 3110G Fault/Stack Mode LED, Fault LED, Stack Member LED, Stack Mode Description

Chapter 1 Product Overview

Hardware Features

Fault/Stack Mode LED

The fault/stack mode LED shows either a fault condition or the switch stack status, depending on the Mode button selection. When the switch module is not stacked and there is no fault, the LED is off. If the switch module is stacked and the stack mode LED is selected, the stack member LED is active.

Table 1-5lists the LED colors and their meanings (only Catalyst Switch Module 3110G and 3110X).

Table 1-5	Fault/Stack Mode LED
Color	Fault Mode Description	Stack Mode Description
Off	No switch module faults.	Stack mode is not selected.
Green	—	Switch stack mode is selected. When this LED is
		green, the stack member LED displays the stack
		membership number, and the port LEDs display link
		status.
Amber	Switch module fault	—
	detected.

Fault LED

The fault LED shows the switch module fault condition. Table 1-6lists the LED colors and their meanings (only Catalyst Switch Module 3012).

Table 1-6	Fault LED
Color		Fault Mode Description
Off		No switch module faults.
Amber		Switch module fault detected.

Stack Member LED

The stack member LED is active when the switch module is stacked and you select by using the Mode button. The stack member LED blinks the number of times equal to the switch stack membership number. Table 1-7lists the LED colors and their meanings (only Catalyst Switch Module 3110G and 3110X).

Table 1-7 Fault/Stack Mode LED

Color	Description
Off	Stack mode is not selected, or the switch module is not stacked.
Blinking green	Stack member number.

Catalyst Switch Module 3110G, 3110X, and 3012 for IBM BladeCenter Hardware Installation Guide

OL-12192-01 1-7