Extreme Networks BlackDiamond 8800 Series Hardware Installation Manual page 212

Replacing the BlackDiamond 12802 PSU/Fan Controller and Fan Tray
Figure 139: Removing a PSU/fan controller
4 Install the replacement controller as follows:
a Remove the replacement PSU/fan controller from its antistatic packaging.
b Insert the replacement controller into the controller slot on the BlackDiamond 12802 chassis
(Figure
c Align and tighten the captive retaining screws.
Figure 140: Installing a PSU/fan controller
5 Power on the switch.
NOTE
Leave the ESD-preventive wrist strap permanently connected to the switch so that it will always be available when
you need to handle ESD-sensitive components.
212
PSU/fan controller
module
140).
PSU/fan controller
module
BD_144
BD_148
Extreme Networks Consolidated ExtremeXOS Hardware Installation Guide