Cisco Systems AS5350XM manual Connect the DC connector to the rear of the power supply

Appendix B Replacing the Power Supply

Replacing the Chassis Cover

Step 8 Reconnect the AC power cord. Or, if you are using a DC-powered unit, refer to Figure B-18or Figure B-19, and complete Step a through Step e for each power supply.

Warning The illustration shows the DC power supply terminal block. Wire the DC power supply using the appropriate lugs at the wiring end, or with no lugs, as illustrated. The proper wiring sequence is ground to ground, positive to positive, and negative to negative. Note that the ground wire should always be connected first and disconnected last. Statement 197

Figure B-18 Connecting DC Power Supply—Single Power Supply

Power switch To DC source

DC connector

	56022
Source A - NEG	Ground
Source A - RTN	Source B - RTN

Source B - NEG

a.Connect the DC connector to the rear of the power supply.

Caution Do not overtorque the terminal block contact screws. The recommended torque is 4.5 lb-in (0.50 N-m).

Cisco AS5350XM Universal Gateway Chassis Installation Guide

OL-6417-02 B-13