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Catalyst4500 Series SwitchCiscoIOS Command Reference—Release 12.2(18)EW
78-16201-01
Chapter2Cisco IOS Commands for the Catalyst 4500 Series Switches
power redundancy-mode
power redundancy-mode
To configure the power settings for the chassis, use the power redundancy-mode command. To return
to the default setting, use the default form of this command.
power redundancy-mode {redundant | combined}
default power redundancy-mode
Syntax Description
Defaults Redundant power management mode
Command Modes Global configuration
Command History
Usage Guidelines The two power supplies must be the same type and wattage.
Caution If you have power supplies with different types or wattages installed in your switch, the switch will not
recognize one of the power supplies. A switch set to redundant mode will not have power redundancy.
A switch set to combined mode will only use one power supply.
In redundant mode, the power from a single power supply must provide enough power to support the
switch configuration.
Table2-9 lists the maximum available power for chassis and Power over Ethernet for each power supply.
redundant Configures the switch to redundant power management mode.
combined Configures the switch to combined power management mode.
Release Modification
12.1(12c)EW Support for this command was introduced on the Catalyst 4500 series switch.
(Catalyst4500 series switches only: 4503, 4506, and 4507)
Table2-9 Available Power
Power Supply Redundant Mode (W) Combined Mode (W)
1000 W AC System
1
= 1000
Inline = 0
1. System power includes power for the supervisor engines, all line cards and the fan tray.
System = 1667
Inline = 0
2800 W AC System = 1360
Inline = 1400
System = 2473
Inline = 2333
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