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356 Brocade MLX Series and Brocade NetIron XMR Hardware Installation Guide
53-1002373-02
Replacing a power supply
8
Enabling a power supply shutdown
The power-off power-supply command allows you to shut down a power supply manually.
To shut down a power supply, enter the following command.
Brocade# power-off power-supply 3
This will Shutdown The Power Supply # 3
Are you sure? (enter 'y' or 'n'): y
ERROR: Power Supply # 3 is the Last Available in the system and will not be
shutdown.
To force the shutdown, please use keyword "forced"
Syntax: power-off power-supply [forced] <decimal>
The power-supply keyword allows you to shut down a power supply.
The <decimal> variable specifies a power supply index number.
The forced option forces the last power supply available in the system to shut down.The CLI will not
shut down the last power supply unless the forced option is used.
Powering on the power supply through the CLI
Use the power-on power-supply command to turn on a power supply that has been shut down.
A power supply will shut down due to flapping, or if a shutdown is enabled manually using the
power-off power-supply command. Refer to “Enabling a power supply shutdown” on page 356.
To turn on a power supply that has shut down, enter the following command.
Brocade# power-on power-supply 1
AC Power Supply 1 is OK
The output example displays the status for power supply 1 as OK.
NOTE
If a power supply has shut down, power to the interface module will be lost. There will not be enough
power remaining in the system.
Syntax: power-on [power-supply <decimal>]
The <decimal> variable specifies a power supply index number.
Replacing a power supply
To replace a power supply, have the following items available:
• A new power supply (AC or DC), which you can order from Brocade
• A small flat-blade or Phillips screwdriver (Brocade MLX-4 only)
DANGER
The power supplies are hot swappable, which means they can be removed and replaced while
the device is powered on and running. However, Brocade recommends that you disconnect the
power supply from its power source before removing and replacing the supply. The device can be