Cisco Catalyst 4500 Series - CHAPTER 12 Environmental Monitoring and Power Management; About Environmental Monitoring

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CHAPTER

12-1

Software Configuration Guide—Release IOS XE 3.3.0SG and IOS 15.1(1)SG

OL-25340-01

Environmental Monitoring and Power

Management

Note Before reading this chapter, read the “Preparing for Installation” section of the

Catalyst 4500 Series Installation Guide. It is important to ensure that your installation site has enough

power and cooling to accommodate the additional electrical load and heat introduced by Power over

Ethernet (PoE).

This chapter describes power management and environmental monitoring features in the Catalyst 4500

series switches. It provides guidelines, procedures, and configuration examples.

This chapter consists of the following major sections:

• About Environmental Monitoring, page 12-1

• Power Management, page 12-6

• IEEE 802.3az Energy Efficient Ethernet, page 12-20

Note For complete syntax and usage information for the switch commands used in this chapter, first look at

the Cisco Catalyst 4500 Series Switch Command Reference and related publications at this location:

http://www.cisco.com/en/US/products/hw/switches/ps4324/index.html

If the command is not found in the Catalyst 4500 Series Switch Command Reference, it will be found in

the larger Cisco IOS library. Refer to the Cisco IOS Command Reference and related publications at this

location:

http://www.cisco.com/en/US/products/ps6350/index.html

About Environmental Monitoring

This section contains the following subsections:

• Using CLI Commands to Monitor your Environment, page 12-2

• Displaying Environment Conditions, page 12-2

• Emergency Actions, page 12-4

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