Extreme networks 12802 User Manual
Replacing a BlackDiamond 12804 PSU/Fan Controller
BlackDiamond 12800 Series Switches Hardware Installation Guide
117
Figure 74: Removing the BlackDiamond 12804 PSU/Fan Controller
6
Using a #1 Phillips screwdriver, loosen all four captive screws on the PSU/fan controller (see
).
7
Pull equally on the upper and lower handles of the PSU/fan controller to disconnect the controller
connector.
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.
available when you need to handle ESD-sensitive components.
Installing a Replacement BlackDiamond 12804 PSU/Fan
Controller
Controller
To install a replacement PSU/fan controller in 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.
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.
controller.
3
Push the replacement BlackDiamond 12804 PSU/fan controller into the empty controller recess until
the four captive screws on the replacement controller are in alignment.
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 eight captive screws on the access cover are
in alignment.
in alignment.
7
Using a #2 Phillips screwdriver, tighten all eight 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.
available when you need to handle ESD-sensitive components.
BD_170