Cisco Catalyst 4500 Series Configuration Manual page 405

Chapter 12 Environmental Monitoring and Power Management
Command
Step 1
Switch# configure terminal
Step 2
Switch(config)# power redundancy combined max
inputs {2 | 3}
Step 3
Switch(config)# end
If you have max inputs 3 configured with four "good" (220 V) inputs and you limit the user to 5500 W
instead of 7600 W and one subunit fails or is powered off, you have three quality inputs providing 5500
W and the chassis is powered at the same rate as it was prior to the failure event:
Switch# configuration terminal
Enter configuration commands, one per line.
Switch(config)# power redundancy combined max inputs 3
Switch(config)# end
Switch#
14:32:01: %SYS-5-CONFIG_I: Configured from console by console
Here is the output of the show power command prior to invoking this feature:
Switch# show power
sh power
Power
Supply
------
PS1
PS1-1
PS1-2
PS2
PS2-1
PS2-2
Power supplies needed by system
Power supplies currently available : 2
Power Summary
(in Watts)
----------------------
System Power (12V)
Inline Power (-50V)
Backplane Power (3.3V)
----------------------
Total
Here is the output after invoking this feature. The combined mode was indicated before
Power supplies needed = 2 in the output of the show power command, combined mode is now indicated
by the phrase Power supplies needed by system: 2 Maximum Inputs = 3.
Switch# show power
sh power
Power
Supply
------
PS1
PS1-1
OL-25340-01
Model No Type
---------------- ---------
PWR-C45-4200ACV AC 4200W
110V
110V
PWR-C45-4200ACV AC 4200W
110V
110V
Used
----
140
0
0
----
140 (not to exceed Total Maximum Available = 2100)
Model No Type
---------------- ---------
PWR-C45-4200ACV AC 4200W
110V
Software Configuration Guide—Release IOS XE 3.3.0SG and IOS 15.1(1)SG
Purpose
Enters configuration mode.
Limits the power usage to two or three
inputs.
Note
Exits configuration mode.
End with CNTL/Z.
Fan
Status Sensor
----------- -------
good good
good
good
good good
good
good
: 1
Maximum
Available
---------
1360
1850
40
---------
Fan
Status Sensor
----------- -------
good good
good
Power Management
The maximum inputs part of the
command is ignored by all power
supplies other than the 4200 W AC or
6000 W AC.
Inline
Status
-------
good
good
Inline
Status
-------
good
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