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Note: If this LED is off, it does not mean that no electrical power is present. The
LED might be burned out. To remove all electrical power, you must remove the
system-board tray from the chassis, remove the chassis from the rack, or
disconnect the power cord from the power source.
Rear view
The following illustration shows the connector on the rear of the 2U chassis, the 3U
chassis is similar.
Power-cord connector: Connect the power cord to this connector. When the
chassis is installed in an iDataPlex rack, it is automatically connected to power
through a power cord that is mounted to the rack rail.
Turning on the system-board tray
After you install the system-board tray in a chassis, the system-board tray can start
in any of the following ways.
Important: To avoid potential problems during startup, disconnect any USB flash
drives from the system that contain the Smart Launch Utility before you turn on the
system-board tray.
v You can press the power-control button on the front of the system-board tray
v In an IPMI environment, the system administrator can turn on the system-board
v If a power failure occurs, the system-board tray can start automatically when
Turning off the system-board tray
When you turn off the system-board tray, it is still connected to ac power through
the chassis power supply. The system-board tray still can respond to requests from
the IMM, such as a remote request to turn on the system-board tray. To remove all
power from the system-board tray, you must remove the tray from the chassis.
Shut down the operating system before you turn off the system-board tray. See the
operating-system documentation for information about shutting down the operating
system.
(see "Operator panel controls, connectors, LEDs, and power" on page 19) to start
the system-board tray.
tray by using the IPMI chassis control command.
power is restored, if it is configured to do so.
Chapter 2. Components, features, and controls
21
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