Power Supply Considerations - Cisco AS5400HPX Installation Manual

Chapter 2 Preparing to Install

Power Supply Considerations

Check the power at your site to ensure that you are receiving "clean" power (free of spikes and noise).
Install a power conditioner if necessary.
Warning The device is designed to work with TN power systems. To see translations of the
warnings that appear in the publication, refer to the Regulatory Compliance and Safety
Information document that accompanied this device.
The universal gateway AC power supply includes the following features:
•
•
For detailed information about connecting power, see Chapter 3,
Cisco AS5400HPX Universal
Appendix B, "Replacing the Power Supply"
Warning This product relies on the building's installation for short-circuit (overcurrent)
protection. Ensure that a fuse or circuit breaker no larger than 120 VAC, 15A U.S.
(240 VAC, 10A international) is used on the phase conductors (all current-carrying
conductors). To see translations of the warnings that appear in the publication, refer to
the Regulatory Compliance and Safety Information document that accompanied this
device.
In a DC power supply installation, do not connect the 48 VDC Return to chassis ground at
Caution
the Cisco AS5400. A single-point ground is recommended at the power distribution rack.
OL-2847-02 0A
Full range operation—100 to 240 VAC.
All units include a 6-foot (1.8-m) electrical power cord. (A label near the power cord indicates the
correct voltage, frequency, and current draw for the unit.)
Gateways." For information on replacing the power supply see
"Installing the Cisco AS5400 and
Cisco AS5400 Universal Gateway Chassis Installation Guide
Preparing to Connect to a Network
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