CHAPTER
14-1
Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
14
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 14-1
• Power Management, page 14-7
• IEEE 802.3az Energy Efficient Ethernet, page 14-23
Note For complete syntax and usage information for the switch commands used in this chapter, see the
Cisco IOS Command Reference Guides for the Catalyst 4500 Series Switch.
If a command is not in the Cisco Catalyst 4500 Series Switch Command Reference , you can locate it in
the Cisco IOS Master Command List, All Releases.
About Environmental Monitoring
This section contains the following subsections:
• Using CLI Commands to Monitor your Environment, page 14-2
• Displaying Environment Conditions, page 14-2
• Displaying On Board Failure Logging (OBFL) information for 9000W AC, page 14-4
• Emergency Actions, page 14-5
• System Alarms, page 14-6
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