IBM System x iDataPlex dx340, Руководство по диагностике и обслуживанию

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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
disconnect the power cord from the power supply or remove the
system-board tray from the chassis.
Hot-swap hard disk drive activity LED: In some configurations, each hot-swap
hard disk drive has an activity LED. When this LED is flashing, it indicates that the
drive is in use.
Hot-swap hard disk drive status LED: In some configurations, each hot-swap
hard disk drive has a status LED. When this LED is lit, it indicates that the drive has
failed.
Rear connectors
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 keys
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
(see “Operator panel controls, LEDs, and connectors” on page 4) to start the
system-board tray.
v
In an IPMI environment, the system administrator can turn on the system-board
tray by using the BMC IPMI
Chassis Control command.
v If a power failure occurs, the system-board tray can start automatically when
power is restored, if it is configured to do so.
Chapter 1. Introduction
5