Extreme Networks BlackDiamond 8800 Series - Manual (Page 143)

Replacing the PSU/Fan Controller
BlackDiamond 8800 Series Switches Hardware Installation Guide 143
6 Using a #1 Phillips screwdriver, loosen all four captive screws on the PSU/fan controller.
7 Pull equally on the upper and lower handles of the PSU/fan controller to disconnect the controller
connector.
Leave the ESD-preventive wrist strap permanently connected to the switch, so that the strap is always
available when you need to handle ESD-sensitive components.
Installing the Replacement PSU/Fan Controller
To install a replacement PSU/fan controller in the BlackDiamond 12804 switch:
1 Attach the ESD-preventive wrist strap to your bare wrist and connect the metal end to the ground
receptacle on the front top-left corner of the switch.
2 Align the guide pins in the empty controller recess with the holes on the replacement PSU/fan
controller.
3 Push the replacement PSU/fan controller into the empty controller recess until the four captive
screws on the replacement controller are in alignment.
4 Using a #1 Phillips screwdriver, tighten all four captive screws on the replacement controller.
5 Align the guide pins on the access cover with the holes at the edges of the controller recess.
6 Push the access cover over the controller recess until the captive screws on the access cover are in
alignment.
7 Using a #2 Phillips screwdriver, tighten all the captive screws on the access cover.
Leave the ESD-preventive wrist strap permanently connected to the switch, so that the strap is always
available when you need to handle ESD-sensitive components.