IBM 8840 Installation Guide - Page 40

Information, System-locator, activity, Power-control, button, Power-on, connector, Diskette-eject, - manual

Page 40 highlights

Rear view 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. The following illustration shows the connectors and LEDs on the rear of the server. PCI slot 1 PCI slot 2 Ethernet link status LEDs Ethernet activity LEDs TX/RX LINK TX/RX LINK PCI slot 3 PCI slot 4 Power cords AC power LED DC power LED Serial Mouse Keyboard Video Ethernet 2 Ethernet 1 SCSI ASM System-locator LED Remote Supervisor Adapter II SlimLine Ethernet Universal Serial Bus (USB) 26 IBM xSeries 346 Type 8840: Installation Guide

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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.
Rear
view
The
following
illustration
shows
the
connectors
and
LEDs
on
the
rear
of
the
server.
TX/RX
TX/RX
LINK
LINK
Ethernet 2
Ethernet 1
Mouse
Universal Serial
Bus (USB)
Serial
Video
Keyboard
Remote Supervisor Adapter II
Ethernet
SlimLine
ASM
SCSI
System-locator LED
Ethernet link status LEDs
Ethernet activity LEDs
Power cords
AC power LED
DC power LED
PCI slot 3
PCI slot 2
PCI slot 1
PCI slot 4
26
IBM
xSeries
346
Type
8840:
Installation
Guide