Cisco Systems 8500, AIRCT8510300K9 Light Path Diagnostics Panel

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Cisco 8500 Series Wireless Controller Installation Guide

Chapter 1 Cisco 8500 Series Wireless Controller Installation Guide

Front Panel

• Power-control button and power-on LED: Press this button to turn the controller on and off

manually or to wake it from a reduced-power state. The states of the power-on LED are as follows:

–

Off: Power is not present, or the power supply or the LED itself has failed.

–

Flashing rapidly (4 times per second): The controller is turned off and is not ready to be

turned on. The power-control button is disabled. This will last approximately 20 to 40 seconds.

–

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.

• Ethernet activity LEDs: When any of these LEDs is lit, they indicate that the controller is

transmitting to or receiving signals from the Ethernet LAN that is connected to the Ethernet port that

corresponds to that LED.

• System-locator button/LED: Use this blue LED to visually locate the controller among other

servers. This LED is also used as a presence detection button. This LED is controlled by the IMM.

When you press the System-locator button, the LED will blink and it will continue to blink until you

press it again to turn it off. The locator button is pressed to visually locate the controller among the

other servers.

• System-information LED: When this amber LED is lit, it indicates that a noncritical event has

occurred. The IMM can be used to diagnose and correct the problem.

• System-error LED: When this amber LED is lit, it indicates that a system error has occurred. A

system-error LED is also on the rear of the controller. An LED on the light path diagnostics panel

on the operator information panel is also lit to help isolate the error. This LED is controlled by the

IMM.

Light Path Diagnostics Panel

The light path diagnostics panel is on the top of the operator information panel, as shown in Figure 1-4.

For additional information about the LEDs on the light path diagnostics panel, see Table 1-1.

To access the light path diagnostics panel, slide the blue release button on the operator information panel

to the left. Pull forward on the unit until the hinge of the operator panel is free of the chassis. Then pull

down on the unit, so that you can view the light path diagnostics panel information.

Note When you slide the light path diagnostics panel out of the controller to check the LEDs or checkpoint

codes, do not run the controller continuously with the light path diagnostics panel outside of the

controller. The panel should only be outside of the controller a short time. The light path diagnostics

panel must remain in the controller when it is running to ensure proper cooling.