2 Push the latching tab to the right as you pull outward on the handle to disengage the power supply
internal connectors.
Figure 249: Removing an AC Power Supply
3 Carefully slide the power supply the rest of the way out of the switch.
Removing a DC Power Supply
To remove a DC power supply unit (PSU) from a switch, follow these steps:
1 De-energize the DC circuit.
Warning
Removing the DC wiring harness from your facility's DC source voltage must be performed
by a qualified, licensed electrician.
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.
Removing Switches from Service
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