Extreme networks 12802 User Manual

BlackDiamond 12800 Series Switches Hardware Installation Guide

Make sure that you have access to the back of the switch. You need the following tools and equipment 
to replace a BlackDiamond 12804 PSU/fan controller:

●

ESD-preventive wrist strap

●

#1 Phillips screwdriver

●

#2 Phillips screwdriver

●

Replacement BlackDiamond 12804 PSU/fan controller

To remove a PSU/fan controller from the BlackDiamond 12804 switch:

Attach the ESD-preventive wrist strap to your wrist and connect the metal end to the ground 
receptacle on the front top-left corner of the switch.

Locate the eight captive screws on the PSU/fan controller access cover at the back of the 
BlackDiamond 12804 switch (see 

Using a #2 Phillips screwdriver, loosen all eight captive screws on the PSU/fan controller access 
cover (see 

Pull the access cover away from the back of the switch.

The PSU/fan controllers are visible in the controller recess.

Locate the four captive screws on the PSU/fan controller you are replacing (see 

BD_169

PSU/Fan

Controllers