Cisco 5428 - SN Router, Руководство по установке

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B-1
Cisco AS5400 Universal Gateway Chassis Installation Guide
OL-2847-02 0A
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 AS5400 and
Cisco AS5400HPX and contains the following sections:
•
Safety Recommendations, page B-1
• Required Tools and Equipment, page B-2
•
Removing the Chassis Cover, page B-3
• Removing the Power Supply, page B-5
•
Installing the Power Supply, page B-11
• Replacing the Chassis Cover, page B-18
•
Verifying the Status of the Redundant Power Supply, page B-21
• Configuring the Power Supply Alarm, page B-21
The Cisco AS5400 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.
Note Unless specifically noted, all references to the Cisco AS5400 also apply to the
Cisco AS5400HPX.
Safety Recommendations
Note the following safety recommendations:
Warning Before opening the chassis, disconnect the telephone-network cables to avoid contact
with telephone-network voltages. To see translations of the warnings that appear in this
publication, refer to the
Regulatory Compliance and Safety Information document that
accompanied this device.