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10-6
Software Configuration Guide—Release 15.0(2)SG
OL-23818-01
Chapter 10 Environmental Monitoring and Power Management
Power Management
Power Management
This section describes the power management feature in the Catalyst 4500 series switches. It includes
the following topics:
• Power Management for the Catalyst 4500 Series Switches, page 10-6
• Powering Down a Module, page 10-21
• Power Management for the Catalyst 4948 Switches, page 10-22
Note For power consumption of all Catalyst 4000/4500 family modules, see “Appendix A, Specifications,” in
the Catalyst 4500 Series Module Installation Guide. Enter the show power command to display the
current power redundancy and the current system power usage.
Power Management for the Catalyst 4500 Series Switches
This section includes the following subsections:
• Supported Power Supplies, page 10-7
• Power Management Modes for the Catalyst 4500 Switch, page 10-8
• Selecting a Power Management Mode, page 10-8
• Power Management Limitations in Catalyst 4500 Series Switches, page 10-9
• Available Power for Catalyst 4500 Series Switches Power Supplies, page 10-13
• Insufficient Inline Power Handling for Supervisor Engine II-TS, page 10-19
• Combined Mode Power Resiliency, page 10-16
• Special Considerations for the 1400 W DC Power Supply, page 10-18
• Special Considerations for the 1400 W DC SP Triple Input Power Supply, page 10-19
• Insufficient Inline Power Handling for Supervisor Engine II-TS, page 10-19
• Power Management Modes for the Catalyst 4948 Switch, page 10-22
Chassis fan tray fails. Major Red 30 sec Syslog message displays when the alarm is
issued.
See Table 10-2 for the action on timeout.
Chassis temperature exceeds the
warning threshold.
Minor Orange — Syslog message when the alarm is issued.
Chassis fan tray experiences
partial failure.
Minor Orange — Syslog message when the alarm is issued.
Table 10-5 Alarms on Supervisor Engine 6-E and Supervisor Engine 6L-E (continued)
Event
Alarm
Type
Supervisor LED
Color Timeout Description and Action