Cisco 12406 - Manual (Page 18)

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.