To remove a DC power supply unit (PSU) from a switch, follow these
steps:
-
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.
-
Disconnect the DC power cables as follows:
-
Slide the cover off the terminal
block.
-
Loosen the screws that secure the cable
terminals to the terminal block.
-
Slide the wires out from under the captive
washers.
-
Disconnect the ground wire as follows:
-
Remove the screw that secures the ground
wire to the power supply.
-
Move the wire away from the power
supply.
-
Push the latching tab to the left as you pull
outward on the handle to disengage the power supply internal connectors.
-
Carefully slide the power supply the rest of the
way out of the switch.