Powering Modules Off And On - Cisco 7604 Configuration Manual

Chapter 54 Power Management and Environmental Monitoring
Table 54-1 Effects of Power Supply Configuration Changes (continued)
Configuration Change
Equal wattage power supply is
inserted with redundancy enabled
Equal wattage power supply is
inserted with redundancy disabled
Higher or lower wattage power
supply is inserted with redundancy
enabled
Higher or lower wattage power
supply is inserted with redundancy
disabled
Power supply is removed with
redundancy enabled
Power supply is removed with
redundancy disabled
System is booted with power
supplies of different wattage
installed and redundancy enabled
System is booted with power
supplies of equal or different
wattage installed and redundancy
disabled

Powering Modules Off and On

To power modules off and on from the CLI, perform this task.
Command
Step 1
Router# configure terminal
Step 2
Router(config)# power enable module slot_number
Router(config)# no power enable module slot_number
OL-4266-08
Effect
System log and syslog messages are generated.
•
System power equals the power capability of one supply.
•
No change in module status because the power capability is unchanged.
•
System log and syslog messages are generated.
•
System power is increased to the combined power capability of both power
•
supplies.
Modules marked power-deny in the show power oper state field are brought up if
•
there is sufficient power.
System log and syslog messages are generated.
•
The system does not allow you to operate a power supply of different wattage even
•
if the wattage is higher than the installed supply. The inserted supply shuts down.
• System log and syslog messages are generated.
• System power is increased to the combined power capability of both power
supplies.
• Modules marked power-deny in the show power oper state field are brought up if
there is sufficient power.
• System log and syslog messages are generated.
• No change in module status because the power capability is unchanged.
System log and syslog messages are generated.
•
System power is decreased to the power capability of one supply.
•
If there is not enough power for all previously powered-up modules, some modules
•
are powered down and marked as power-deny in the show power oper state field.
System log and syslog messages are generated.
•
The system does not allow you to have power supplies of different wattage installed
•
in a redundant configuration. The lower wattage supply shuts down.
System log and syslog messages are generated.
•
System power equals the combined power capability of both power supplies.
•
The system powers up as many modules as the combined capacity allows.
•
Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
Understanding How Power Management Works
Purpose
Enters global configuration mode.
Powers a module on.
Powers a module off.
54-3