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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.
v Information LED: When this LED is lit, it indicates that a noncritical event has
occurred. An LED on the light path diagnostics panel is also lit to help isolate the
error.
v System-locator LED: Use this LED to visually locate the server among other
servers. You can use IBM Director to light this LED remotely.
v SCSI activity LED: When this LED is lit, it indicates that there is activity on the
SCSI or IDE bus.
v Power-control button: Press this button to turn the server on and off manually.
A power-control-button shield comes installed on the server to prevent the server
from being turned off accidentally.
v Power-on LED: When this LED is lit and not flashing, it indicates that the server
is turned on. When this LED is flashing, it indicates that the server is turned off
and still connected to an ac power source. When this LED is off, it indicates that
ac power is not present, or the power supply or the LED itself has failed.
Note: If this LED is off, it does not mean that there is no electrical power in the
server. The LED might be burned out. To remove all electrical power from
the server, you must disconnect the power cord from the electrical outlet.
v USB connector: Connect a USB device to this connector.
Diskette-eject
button: Press this button to release a diskette from the diskette
drive.
Diskette drive activity LED: When this LED is lit, it indicates that the diskette drive
is in use.
DVD-eject button: Press this button to release a CD from the DVD-ROM drive.
DVD-ROM drive activity LED: When this LED is lit, it indicates that the DVD-ROM
drive is in use.
8 IBM xSeries 346 Type 8840: User’s Guide