Extreme Networks 17001 manual Replacing a Summit X650 DC Power Supply, Removing the PSU

Replacing a Summit X650 DC Power Supply

In a redundant power configuration, you can replace one Summit X650 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

●ESD-preventive wrist strap

●Thermal protective gloves (required for removal of a PSU)

WARNING!

Be sure to disconnect all power cables before you disconnect the chassis ground wire.

Removing the PSU

To remove an installed Summit X650 DC PSU:

1De-energize the DC circuit.

2Attach an ESD-preventive wrist strap to your bare wrist and connect the metal end to an appropriate ground point on the rack.

3Disconnect 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.

4Disconnect the ground wire as follows:

a Remove the screw that secures the ground wire to the PSU. b Move the wire away from the PSU.

5Push the latching tab to the left as you pull outward on the handle to disengage the PSU internal connectors (see Figure 173).

Figure 173: Removing a DC PSU

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Summit Family Switches Hardware Installation Guide 205