Installation Guide

Replacing DC Power Supplies
Replacing a Summit 300 W DC Power Supply on page 472
Replacing a Summit 450 W or 550 W DC Power Supply on page 478
Replacing a Summit 850 W DC Power Supply on page 484
Replacing a 750 W Internal DC Power Supply on page 488
Replacing a Summit 1100 W DC Power Supply on page 493
Removing an EPS-150DC Power Module from an EPS-T2 Tray on page 498
This chapter describes how to replace internal DC power supplies in a Summit X460, X460-G2, X480,
X650, X670, X670-G2, or X770 series switch. These switches have two bays for hot-swappable power
supplies. In a switch with a redundant power configuration, you can replace one Summit DC power
supply without powering down the switch.
Note
Read the information in this chapter thoroughly before attempting to replace one of the listed
Summit X650 components.
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 185 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
Summit switches have two bays for hot-swappable power supplies. In a redundant power configuration,
you can replace one Summit DC power supply without powering down the switch.
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.
472 Summit Family Hardware Installation Guide