Replacing A Summit 450 W Dc Power Supply; Removing The Power Supply - Extreme Networks Summit X150 Series Hardware Installation Manual

Replacing DC Power Supplies in Summit Family Switches

Replacing a Summit 450 W DC Power Supply

This section describes how to replace a 450 W DC power supply in a Summit X480 series or X670 series
switch. In a redundant power configuration, you can replace one Summit X480 DC power supply
without powering down the switch.
You need the following tools and materials to replace a Summit 450 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)
●

Removing the Power Supply

CAUTION
The DC power supply may be hot to the touch; use thermal protective gloves when handling the power
supply during removal.
To remove an installed Summit 450 W DC power supply:
1 De-energize the DC circuit.
2 Disconnect the DC power cables as follows:
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.
3 Disconnect the ground wire as follows:
a Loosen the screw that secures the ground wire to the terminal block.
b Slide the wire out from under the captive washer.
4 Note the orientation of the installed power supply , and the location of the latching tab at the left of
the unit.
5 Push the latching tab to the right as you pull outward on the handle to disengage the power supply
internal connectors (see
290
Figure 246).
Summit Family Switches Hardware Installation Guide