Extreme Networks BlackDiamond 8800 Series Hardware Installation Manual page 215

5 Locate the four captive screws on the PSU/fan controller behind the access panel as shown in
Figure 142. The figure illustrates a BlackDiamond 8810, but the same method also applies to the
BlackDiamond 8806 and BlackDiamond 12804.
Figure 142: Four captive screws on the BlackDiamond 8800/12804 PSU/fan controller
6 Turn each captive screw counter-clockwise, using a #1 Phillips screwdriver, to loosen all four captive
screws on the PSU/fan controller also shown in
7 Pull the PSU/fan controller out from the PSU control card access panel on the switch, by pulling
equally on the upper and lower handles.
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.
Extreme Networks Consolidated ExtremeXOS Hardware Installation Guide
Removing a BlackDiamond 8800/12804 PSU/Fan Controller
Loosen Captive
Screws (x4)
Remove
PSU/Fan
Controller
Figure 142.
ASP033B
215