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Site Planning 2-3
Site Requirements
Site Requirements
This section contains the following topics:
• AC and DC Power
• Interference Considerations
• Equipment Racks
• Site Environment
• Equipment Rack Ventilation
• Power
• Network Connections
AC and DC Power
The 1300W AC power supply uses a power factor corrector (PFC) that allows the power
supply to operate on input voltage and current within the ranges of 90 to 264 VAC and 50
to 60 Hz.
A second, identical power supply is also present in the chassis configured with an optional
redundant power supply. Table A-1 in the appendix “Chassis and Power Supply
Specifications” lists system power specifications, including input voltage and operating
frequency ranges.
The Catalyst 8540 relies on protective devices in the building installation for protection
against short-circuit, overcurrent, and earth fault. Ensure that the protective devices in the
building installation are properly rated to protect the system, and that the protective devices
comply with national and local codes.