Confidential and proprietary information of Extreme Networks. © 2011 Extreme Networks, Inc.
All rights reserved. DRAFT. October 20, 2011
Replacing DC Power Supplies in Summit Family Switches
Summit Family Switches Hardware Installation Guide
304
Replacing a Summit 850 W DC Power Supply
The Summit 850 W DC power supplies are compatible with the Summit X650 series switches. These
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.
You need the following tools and materials to replace a Summit 850 W DC power supply:
● #1 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)
Be sure to disconnect all power cables before you disconnect the chassis ground wire.
Removing the Power Supply
To remove an installed Summit 850 W DC power supply:
1 De-energize the DC circuit.
2 Disconnect the DC power cables as follows:
a Slide 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.
3 Disconnect the ground wire as follows:
a Remove the screw that secures the ground wire to the power supply.
b Move the wire away from the power supply.
4 Push the latching tab toward the power supply handle and pull outward on the handle to disengage
the power supply internal connectors (see
Figure 251).
Figure 251: Removing a Summit 850 W DC Power Supply
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