IBM 884015U, Руководство по техническому обслуживанию и устранению неисправностей

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Server power, controls, and indicators
This chapter describes the controls and light-emitting diodes (LEDs) and how to
turn the server on and off.
Front view
The following illustration shows the controls, LEDs, and connectors on the front of
the server.
Hard disk drive
activity LED (green)
Hard disk drive
status LED (amber)
DVD-ROM drive
activity LED (green)
Diskette drive
activity LED (green)
DVD-ROM eject button
Diskette-eject button
Rack release
latch
Rack release
latch
Operator information
panel
Rack release latches: Press these latches to release the server from the rack.
Hard disk drive activity LED: On some server models, each hot-swap hard disk
drive has an activity LED. When this LED is flashing, it indicates that the drive is in
use.
Hard disk drive status LED: On some server models, each hot-swap hard disk
drive has a status LED. 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.
Operator information panel: This panel contains controls, LEDs, and connectors.
The following illustration shows the controls, LEDs, and connectors on the operator
information panel.
USB connector
System-error LED
Information LED
System-locator LED
SCSI activity LED
Power-control button
Power-on LED
Release latch
The following controls, LEDs, and connectors are on the operator information panel:
v
Release latch: Slide this latch to the left to access the light path diagnostics
panel.
v System-error LED: When this LED is lit, it indicates that a system error has
occurred. An LED on the light path diagnostics panel is also lit to help isolate the
error.
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xSeries 346 Types 8840 and 1880: Hardware Maintenance Manual and Troubleshooting Guide