The Catalyst 6000 series of switches can be configured with dual
power supplies. When dual power supplies are installed, they share the power
requirements of the switch. In some cases a specific combination of modules can
exceed the maximum power output of a single power supply. In this case two
power supplies must be installed to provide adequate power to the switch. Care
should be taken if this option is chosen as the redundancy provided by dual
power supplies would be compromised.

Commands
used to implement redundant power supplies.

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NOTE:
It is very important to maintain power budgets, especially when using
inline power modules to support IP telephony.
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