IBM 3550 Type 7978, Руководство пользователя

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v
CD-RW/DVD eject button: Press this button to release a DVD or CD from the
CD/DVD drive.
v CD-RW/DVD drive activity LED: When this LED is lit, it indicates that the
CD-RW/DVD drive is in use.
v
Hard disk drive status LED: This LED is used on SAS hard disk drives. When
this LED is lit, it indicates that the drive has failed. If an optional IBM ServeRAID
controller is installed in the server, when this LED is flashing slowly (one flash
per second), it indicates that the drive is being rebuilt. When the LED is flashing
rapidly (three flashes per second), it indicates that the controller is identifying the
drive.
v
Hard disk drive activity LED: This LED is used on SAS hard disk drives. Each
hot-swap hard disk drive has an activity LED, and when this LED is flashing, it
indicates that the drive is in use.
Light path diagnostics panel
The light path diagnostics panel is on the top of the operator information panel.
To access the light path diagnostics panel, push the release button on the operator
panel to the left. Pull forward on the unit until the hinge of the operator panel is free
of the server chassis. Then pull down on the unit, so that the operator information
panel is at a right angle with the server.
Release button
Operator information
panel
Light path LEDs
The following illustration shows the LEDs and controls on the light path diagnostics
panel.
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IBM System x3550 Type 7978: User’s Guide