Cisco XM Universal Gateways Cisco AS5400XM - Manual (Page 67)

B-1
Cisco AS5400XM Universal Gateway Chassis Installation Guide
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A P P E N D I X
B
Replacing the Power Supply
This appendix includes information on how to replace the power supply for the Cisco AS5400XM
universal gateway.
• Safety Recommendations, page B-1
• Required Tools and Equipment, page B-2
• Removing the Chassis Cover, page B-2
• Removing the Power Supply, page B-5
• Installing the Power Supply, page B-10
• Replacing the Chassis Cover, page B-17
• Verifying the Status of the Redundant Power Supply, page B-20
• Configuring the Power Supply Alarm, page B-20
The Cisco AS5400XM universal gateway has a redundant power supply. A redundant power supply has
two power cords to provide higher reliability and load balancing. You can use the redundant power
supply to:
• Manage your system with alarms and other management features.
• Provide higher reliability with a second built-in power supply connected to a second power source.
• Balance loads.
Safety Recommendations
Note the following safety recommendations:
Warning Before opening the unit, disconnect the telephone-network cables to avoid contact with
telephone-network voltages. Statement 1041
Warning Do not work on the system or connect or disconnect cables during periods of lightning activity.
Statement 1001