Datasheet

34
Removing and Installing the Cisco AS5400 Power Supply
78-4519-04
Removing and Installing the Cisco AS5400 Power Supply
Warning After wiring the DC power supply, remove the tape from the circuit breaker switch handle and
reinstate power by moving the handle of the circuit breaker to the ON position. To see translations of
the warnings that appear in this publication, refer to the Regulatory Compliance and Safety
Information document that accompanied this device.
Step 9 Power on the universal gateway.
The internal power supply fan should power on.
Removing and Installing the Cisco AS5400 Power Supply
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.
The following sections describe how to remove and install the Cisco AS5400 power supply:
• Removing the Chassis Cover, page 34
• Removing the Power Supply, page 37
• Installing the Power Supply, page 43
• Replacing the Chassis Cover, page 50
• Verifying Status of the Redundant Power Supply, page 52
• Configuring the Power Supply Alarm, page 53
Removing the Chassis Cover
You must open the universal gateway chassis to gain access to its interior components.
To remove the chassis cover, follow these steps:
Step 1 Turn the power switch on the universal gateway off and disconnect site power at the power supply.
Note The power switch is part of the power supply.
Step 2 If you are using a DC-powered unit, refer to Figure 39 and complete steps a through d.