Appendix B Replacing The Power Supply - Cisco AS5350XM Installation Manual

Appendix B Replacing the Power Supply
Removing the Chassis Cover
Before connecting or disconnecting ground or power wires to the chassis, ensure that power is
Warning
removed from the DC circuit. To ensure that all power is OFF, locate the circuit breaker on the panel
board that services the DC circuit, switch the circuit breaker to the OFF position, and tape the switch
handle of the circuit breaker in the OFF position. Statement 140
Figure B-1 DC Power Supply Connections—Single Power Supply
Power switch
To DC source
DC connector
Source A - NEG Ground
Source B - RTN
Source A - RTN
Source B - NEG
Cisco AS5350XM Universal Gateway Chassis Installation Guide
B-3
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