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Cisco 12406 User Manual

Page 18

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Chapter 4 Troubleshooting the Installation

Problem Solving with Subsystems

4-18

Cisco 12006 and Cisco 12406 Router Installation and Configuration Guide

OL-11497-03

Table 4-6

summarizes the function of these indicators.

Table 4-6

AC-Input Power Supply LED indicators

LED Label

Function

State

Description

AC
(Left LED)

Input
power

On

AC power source is present and is within specified limits.

Off

Power source is not within specified limits.

DC
(Right LED)

Output
Power

On

Power supply is operating normally in a power-on
condition.

Off

Power supply is operating in a fault condition and
shutdown has occurred.