IBM 7979B1U User Manual - Page 26

CD/DVD-eject

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information panel. Power-on LED Hard disk drive activity LED Information Release LED latch Power-control button System locator LED System-error LED The following controls, LEDs, and connectors are on the operator information panel: v Power-control button: Press this button to turn the server on and off manually. 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 a power source. When this LED is off, it indicates that 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. Attention: In a dc power environment, only trained service personnel other than IBM service technicians are authorized to connect or disconnect power to the dc power supply. See the documentation that comes with each dc power supply. v Hard disk drive activity LED: When this LED is flashing, it indicates that a hard disk drive is in use. 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 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-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 Release latch: Slide this latch to the left to access the light path diagnostics panel, which is behind the operator information panel. USB connectors: Connect a USB device, such as USB mouse, keyboard, or other USB device, to either of these connectors. Video connector: Connect a monitor to this connector. The video connectors on the front and rear of the server can be used simultaneously. Hard disk drive activity LED: 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: Each hot-swap hard disk drive has a status LED. When this LED is lit, it indicates that the drive has failed. When this LED is flashing slowly (one flash per second), it indicates that the drive is being rebuilt as part of a RAID configuration. When the LED is flashing rapidly (three flashes per second), it indicates that the controller is identifying the drive. CD/DVD-eject button: Press this button to release a CD or DVD from the CD-RW/DVD drive. 10 System x3650 Type 7979: User's Guide

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information
panel.
Power-control
button
Power-on
LED
Hard disk drive
activity LED
System
locator
LED
Information
LED
System-error
LED
Release
latch
The
following
controls,
LEDs,
and
connectors
are
on
the
operator
information
panel:
v
Power-control
button:
Press
this
button
to
turn
the
server
on
and
off
manually.
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
a
power
source.
When
this
LED
is
off,
it
indicates
that
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.
Attention:
In
a
dc
power
environment,
only
trained
service
personnel
other
than
IBM
service
technicians
are
authorized
to
connect
or
disconnect
power
to
the
dc
power
supply.
See
the
documentation
that
comes
with
each
dc
power
supply.
v
Hard
disk
drive
activity
LED:
When
this
LED
is
flashing,
it
indicates
that
a
hard
disk
drive
is
in
use.
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
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-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
Release
latch:
Slide
this
latch
to
the
left
to
access
the
light
path
diagnostics
panel,
which
is
behind
the
operator
information
panel.
USB
connectors:
Connect
a
USB
device,
such
as
USB
mouse,
keyboard,
or
other
USB
device,
to
either
of
these
connectors.
Video
connector:
Connect
a
monitor
to
this
connector.
The
video
connectors
on
the
front
and
rear
of
the
server
can
be
used
simultaneously.
Hard
disk
drive
activity
LED:
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:
Each
hot-swap
hard
disk
drive
has
a
status
LED.
When
this
LED
is
lit,
it
indicates
that
the
drive
has
failed.
When
this
LED
is
flashing
slowly
(one
flash
per
second),
it
indicates
that
the
drive
is
being
rebuilt
as
part
of
a
RAID
configuration.
When
the
LED
is
flashing
rapidly
(three
flashes
per
second),
it
indicates
that
the
controller
is
identifying
the
drive.
CD/DVD-eject
button:
Press
this
button
to
release
a
CD
or
DVD
from
the
CD-RW/DVD
drive.
10
System
x3650
Type
7979:
User’s
Guide