Extreme Networks BlackDiamond 12804 - Manual (Page 116)

Replacing BlackDiamond 12800 Series Chassis Components
BlackDiamond 12800 Series Switches Hardware Installation Guide 116
Pre-Installation Requirements
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
Removing a BlackDiamond 12804 PSU/Fan Controller
To remove a PSU/fan controller from the BlackDiamond 12804 switch:
1 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.
2 Locate the eight captive screws on the PSU/fan controller access cover at the back of the
BlackDiamond 12804 switch (see
Figure 73 ).
Figure 73: Removing the PSU/Fan Controller Access Cover
3 Using a #2 Phillips screwdriver, loosen all eight captive screws on the PSU/fan controller access
cover (see
Figure 73 ).
4 Pull the access cover away from the back of the switch.
The PSU/fan controllers are visible in the controller recess.
5 Locate the four captive screws on the PSU/fan controller you are replacing (see Figure 74 ).
BD_169
PSU/Fan
Controllers