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BladeCenter unit power, controls, and indicators
This section describes the controls and light-emitting diodes (LEDs) and how to
start and shut down the BladeCenter unit.
Notes:
1. The removable media drives, keyboard, and mouse in the BladeCenter unit are
viewed as USB devices by the blade server operating system.
2. Local media tray support can be turned off preventing the blade servers from
accessing the removable media drives.
3. Local KVM switching support can be turned off preventing the blade servers
form accessing the keyboard, video, and mouse.
Press keyboard keys in the following sequence to switch KVM control between
blade servers:
NumLock <blade server number> Enter
Where <blade server number> is the two-digit number for the blade bay in which
the blade server is installed.
You will need to press the Shift key to switch KVM control when using the 28L3644
(37L0888) keyboard. If pressing the Shift key does not switch KVM control,
complete the following steps:
1. Press and hold the Shift key.
2. Press keyboard keys in the following sequence:
NumLock <blade server number> Enter
3. Release the Shift key.
Starting the BladeCenter unit
Important: For the LEDs on each system LED panel to function correctly, be sure
to install the management module before turning on the BladeCenter unit. See
Chapter 4, “Installing options,” on page 31 for instructions for installing the
management module.
To start the BladeCenter unit, plug one end of each power cord into a power
module on the rear of the BladeCenter unit and the other end of each power cord
into a 220-volt power distribution unit (PDU) that is plugged into an appropriate
electrical outlet.
After you start the BladeCenter unit, it has dc power. The blade servers in the
BladeCenter unit are connected to dc power but are not turned on. Press the
power-control button on the front of each blade server to obtain full power for the
blade server and start its operating system (see the documentation that comes with
your blade server for information about turning on the blade server).
Note: If a power failure occurs, the BladeCenter unit restarts automatically when
power is restored.
Chapter 1. General information 11