Power Management For The Catalyst 4500 Series Switches - Cisco Catalyst 4500 Series Configuration Manual

Chapter 12 Environmental Monitoring and Power Management
For power consumption of all Catalyst 4000/4500 family modules, see
Note
the Catalyst 4500 Series Module Installation
current power redundancy and the current system power usage.

Power Management for the Catalyst 4500 Series Switches

This section includes the following subsections:
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Supported Power Supplies
You can select from several different power supplies to ensure that you have enough power for the
modules installed in your switch.
You should select a power supply based on the modules and the amount of PoE desired using the Cisco
Note
Power Calculator:
http://tools.cisco.com/cpc/
The choice between 1000 AC and 1400 AC should depend on the type of line cards that the customer
plans to use in the chassis.
The Catalyst 4500 series switches support the following power supplies:
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OL-25340-01
Supported Power Supplies, page 12-7
Power Management Modes for the Catalyst 4500 Switch, page 12-8
Selecting a Power Management Mode, page 12-9
Power Management Limitations in Catalyst 4500 Series Switches, page 12-9
Available Power for Catalyst 4500 Series Switches Power Supplies, page 12-13
Special Considerations for the 4200 W AC and 6000 W AC Power Supplies, page 12-14
Combined Mode Power Resiliency, page 12-16
Special Considerations for the 1400 W DC Power Supply, page 12-18
Special Considerations for the 1400 W DC SP Triple Input Power Supply, page 12-19
Power Management Modes for the Catalyst 4948 Switch, page 12-20
Fixed Wattage—These power supplies always deliver a fixed amount of PoE and system power.
1000 W AC—Supports up to 1050 W of system power. (Not recommended on the Catalyst
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4510R switch, PoE not supported)
1400 W AC—Supports up to 1400 W system power. (PoE not supported)
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2800 W AC—Supports up to 1400 W of system power and up to 1400 W of PoE.
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Variable Wattage—These power supplies automatically adjust the wattage to accommodate PoE and
system power requirements.
1300 W AC—Supports up to 1050 W of system power and 800 W of PoE, limited to a total of
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1300 W.
Guide. Enter the show power command to display the
Software Configuration Guide—Release IOS XE 3.3.0SG and IOS 15.1(1)SG
Power Management
"Appendix A, Specifications," in
12-7