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Summit Family Switches Hardware Installation Guide
165
Removing a Summit X650 AC Power Supply’
To remove an AC power supply:
1 Attach an ESD-preventive wrist strap to your wrist and connect the metal end to an appropriate
ground point on the rack.
2 Disconnect all power cords from the back of the switch.
3 Remove all installed power supplies (Figure 141):
a On each power supply, push the latching tab to the left as you pull the handle to disengage the
power supply from its internal connectors.
b Carefully slide the power supply out of the switch and set it aside.
Figure 141: Removing an AC Power Supply
Removing a DC Power Supply
WARNING!
Be sure to disconnect all power cables before you disconnect the chassis ground wire.
CAUTION
The DC PSU may be hot to the touch; use thermal protective gloves when handling the PSU during removal.
To remove a Summit X650 DC PSU:
1 De-energize the DC circuit.
2 Attach an ESD-preventive wrist strap to your bare wrist and connect the metal end to an appropriate
ground point on the rack.
3 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.
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