Replacing A Summit X480 Dc Power Supply; Removing The Psu - Extreme Networks Summit X150 Series Hardware Installation Manual

Maintenance Procedures for Summit X480 Series Switches

Replacing a Summit X480 DC Power Supply

In a redundant power configuration, you can replace one Summit X480 DC PSU without powering
down the switch.
You need the following tools and materials to replace a Summit X650 DC PSU:
#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 PSU)
●

Removing the PSU

CAUTION
The DC PSU may be hot to the touch; use thermal protective gloves when handling the PSU
during removal.
To remove an installed Summit X480 DC PSU:
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 PSU, 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 PSU internal
connectors (see Figure
274
229).
Summit Family Switches Hardware Installation Guide