Brocade MLX Series and Brocade NetIron XMR Hardware ...

8Replacing a power supplyEnabling a power supply shutdownThe 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 3This will Shutdown The Power Supply # 3Are you sure? (enter 'y' or 'n'): yERROR: Power Supply # 3 is the Last Available in the system and will not beshutdown.To force the shutdown, please use keyword "forced"Syntax: power-off power-supply [forced] The power-supply keyword allows you to shut down a power supply.The 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 notshut down the last power supply unless the forced option is used.Powering on the power supply through the CLIUse 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 thepower-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 1AC Power Supply 1 is OKThe output example displays the status for power supply 1 as OK.NOTEIf a power supply has shut down, power to the interface module will be lost. There will not be enoughpower remaining in the system.Syntax: power-on [power-supply ]The variable specifies a power supply index number.Replacing a power supplyTo 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)DANGERThe power supplies are hot swappable, which means they can be removed and replaced whilethe device is powered on and running. However, Brocade recommends that you disconnect thepower supply from its power source before removing and replacing the supply. The device can be356 Brocade MLX Series and Brocade NetIron XMR Hardware Installation Guide53-1002373-02