Cisco Systems 8500 User Manual

Hard disk drive status LEDs: This LED is used to indicate the status of the SAS hard disk drives. 
When this LED is lit, it indicates that the drive has failed. When this LED is flashing slowly (one 
flash per second), it indicates that the drive is being rebuilt. When the LED is flashing rapidly (three 
flashes per second), it indicates that the controller is identifying the drive. 

Hard disk drive activity LEDs: Each hot-swap hard disk drive has an activity LED, and when this 
LED is flashing, it indicates that the drive is in use. 

Optical drive eject button: Press this button to release a DVD or CD from the DVD drive. 

Optical drive activity LED: When this LED is lit, it indicates that the DVD drive is in use. 

Operator information panel: This panel contains controls and LEDs that provide information 
about the status of the controller. For information about the controls and LEDs on the operator 
information panel, see 

Operator information panel release latch: Slide the blue release latch to the left to pull out the 
light path diagnostics panel and view the light path diagnostics LEDs and buttons. See 

 for more information about the light path diagnostics.

Video connector: Connect a monitor to this connector. The video connectors on the front and rear 
of the controller can be used simultaneously. Controller configuration and management is only 
supported via the serial console connection. Controller configuration and management is not 
supported using the keyboard and monitor directly connected to the controller.

The maximum video resolution is 1600 x 1200 at 75 Hz.

USB connectors: Connect a USB device, such as a USB mouse or keyboard, to any of these 
connectors. During normal operation, this USB slot is not used by the Cisco 8500 Series Wireless 
Controller.

 shows a detailed view of the controls and LEDs on the operator information panel.

Ethernet 
activity LEDs

Locator button/
locator LED 

Information LED

System-error LED

Release latch

Power-control button/
power-on LED

Ethernet 
activity LEDs

Power-control
button cover

Ethernet 
icon LED

255126