Replacing DC Power Supplies
Replacing a Summit 300 W DC Power Supply
on page 345
Replacing a Summit 450 W or 550 W DC Power Supply
Replacing a 750 W Internal DC Power Supply
Replacing a Summit 1100 W DC Power Supply
on page 362
This chapter describes how to replace internal DC power supplies in an Extreme Networks switch. These
switches have two bays for hot-swappable power supplies. In a switch with a redundant power
configuration, you can replace one DC power supply without powering down the switch.
See
Replaceable Internal Power Supplies
on page 130 for a list of which internal DC power supplies are
compatible with the switch you are using.
Replacing a Summit 300 W DC Power Supply
The following instructions apply to both of the 300 W DC power supplies (part numbers 10933 and
10944).
You need the following tools and materials to replace a Summit 300 W DC power supply:
•
#2 Phillips screwdriver
•
Torque screwdriver and wrench or torque driver with attachments for tightening screws and nuts
•
Thermal protective gloves (required for removal of a power supply)
Warning
Be sure to disconnect all power cables before you disconnect the chassis ground wire.
Removing a 300 W DC Power Supply
To remove an installed Summit 300 W DC power supply, follow these steps:
1. De-energize the DC circuit.
2. Disconnect the DC power cables:
a. Pull the cover off the terminal block.
b. Loosen the screws that secure the cable terminals to the terminal block.
c. Slide the wires out from under the captive washers.
Warning
Be sure to disconnect all power cables before you disconnect the chassis ground wire.
ExtremeSwitching Hardware Installation Guide 345