Cisco Systems 8500 User Manual

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Cisco 8500 Series Wireless Controller Installation Guide

Chapter 1 Cisco 8500 Series Wireless Controller Installation Guide

Rear Panel

–

Flashing slowly (once per second): The controller is turned off and is ready to be turned on.
You can press the power-control button to turn on the controller.

–

Lit: The controller is turned on.

–

Fading on and off: The controller is in a reduced-power state. To wake the controller, press the
power-control button or use the IMM Web interface. See the Integrated Management Module
User’s Guide for information on logging on to the IMM Web interface.

•

System-locator LED: Use this LED to visually locate the controller among other servers. You can
use the Integrated Management Module User’s Guide to light this LED remotely.

Power-supply LEDs

Figure 1-9

shows the location of the power-supply LEDs on the rear of the Cisco 8500 Series Wireless

Controller. See

Table 1-2

and

Table 1-3

for additional information about solving power supply problems.

Figure 1-9

Location of the Cisco 8500 Series Wireless Controller Power Supply LEDs

Table 1-2

describes the problems that are indicated by various combinations of the power-supply LEDs

on an AC power supply and suggested actions to correct the detected problems.

AC LED (green)

DC LED (green)

Power-supply
error LED (amber)

282302

Table 1-2

Cisco 8500 Series Wireless Controller AC Power Supply Troubleshooting

AC power-supply LEDs

Description

Action

Notes

Error (!)

Off

Normal operation

Off

No AC power to the
controller or a
problem with the
AC power source.

Check the AP power to the
controller.

Make sure that the power
cord is connected to a
functioning power source.

Restart the controller. If the
error remains, check the
power supply LEDs.

Replace the power supply.

This is a normal
condition when no
AC power is
present.