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Step 5 Use a screwdriver to tighten the captive installation screw on the top of the power supply.

Note For DC-input power supplies, refer to the “Install the DC-Input Power Supply” section on page 13 to complete this procedure.

Step 6 Push the cable retention clip away from the power supply receptacle, and push the power cable in until the cable retention clip snaps into place.

Step 7 Connect the opposite end of the power cable to an appropriate power source. Step 8 Repeat Step 1 through Step 7 to install the second power supply (optional).

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Cisco Systems 7507 quick start