Extreme Networks BlackDiamond 12800 Series, Hardware Installation Manual

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Replacing BlackDiamond 12800 Series Chassis Components
BlackDiamond 12800 Series Switches Hardware Installation Guide
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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.
BD_169
PSU/Fan
Controllers