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with slot 1 to 17. The Controller module will repeat this process for all other
power classes in descending order of their priority until either all the modules
are powered up or the available power supply is exhausted.
Note: You cannot assign a power class to the 8250 modules and they do not
take part in the power management. This means that the Controller module
cannot exert any control over the 8250 modules as far as the power management
is concerned. Therefore, during a power failure, the 8250 modules cannot be
powered down by the Controller module and during the hub power up, the 8250
modules will all be powered up regardless of the availability of the power. In
this respect, the 8250 modules operate in a manner similar to the 8260 modules
which are assigned power class 10.
If you try to assign a power class to an 8250 module, the command will be
aborted. An example of this is shown in Figure 43.
8260> set power slot 10
Module in slot 10 is not supported.
Figure 43. Set Power Class Command for 8250 Modules
Figure 44 shows the use of power classes during power up and power down.
Figure 44. Priorities of Modules to Be Powered-Up or Powered-Down
You can display the power class assigned to individual modules or all the
installed modules in the 8260 using the following DMM command:
SHOW POWER SLOT {slot|all}
An example of the output for this command is shown in Figure 45 on page 76.
Chapter 5. 8260 Intelligent Power Management Subsystem 75