To remove or replace an Extreme Networks AC power supply, follow these steps.
Note
If you are replacing only the power supply and you will use the existing AC power cord for the
new power supply, you do not need to unplug the AC power cord. Skip to step
2
on page 82.
1 Remove and replace the AC power cord
a Remove the power cord retainer as described in
Disconnecting a BlackDiamond 8810 AC Power
Cord
on page 111 or
Removing the BlackDiamond 8806 AC Power Cord Retainer
on page 113.
b Completely disconnect and remove the old power cord.
c Connect the new AC power cord to the AC input on the front of the switch chassis.
d Connect the opposite end of the cord to the wall outlet.
e Reinstall the power cord retainer.
2 Lift the handle on the power supply.
3 Pull the handle of the power supply to disconnect the power supply from the power connector at
the back of the power supply bay. Slide the power supply partway out of the bay.
4 Wearing thermal protective gloves, place both hands underneath the power supply to support the
weight as it is pulled out from the switch.
5 To install a replacement power supply, follow the steps under
Installing the Power Supply
on page
80.
Installing an Extreme Networks 1200 W DC Power Supply
This section describes how to install the 1200 W DC power supply in a BlackDiamond 8806 or 8810
switch.
Warning
Field operators must not attempt to open the 1200 W DC power supply enclosure for any
reason; the power supply does not contain user-serviceable parts. In the event of failure,
return the defective 1200 W DC power supply to Extreme Networks for repair or replacement.
Note
AC input connections on the chassis are not used when DC power supplies are installed.
Required Tools and Equipment
You need the following tools and equipment to install or remove a 1200 W DC power supply:
•
Input DC power cable (provided with the DC power supply)
•
-48 V DC power source capable of providing 50 A dedicated power to each 1200 W DC power
supply installed in the switch
•
Thermal protective gloves (required for removal)
Installing the DC Wiring
The input DC cable for the 1200 W DC power supply is shipped with the DC power supply (see
Figure
58: Input DC Power Cable for the 1200 W DC Power Supply
on page 83). You must use this cable with
Installing Power Supply Units (PSUs)
BlackDiamond 8800 Hardware Install Guide
82