IBM x3500 Installation Guide - Page 49

Server, controls, connectors, power - manual

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Chapter 3. Server controls, connectors, LEDs, and power 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 and LEDs on the front of the server. Note: The front bezel door is not shown so that the drive bays are visible. System power LED Power-control button Hard disk drive activity LED System locator LED System-information LED System-error LED DVD drive activity LED (green) USB 2 USB 1 DVD-eject button Hard disk drive status LED (amber) Hard disk drive activity LED (green) System power 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 is 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. A power LED is also on the rear of the server. Power-control button: Press this button to turn the server on and off manually. A power-control-button shield comes with the server. You can install this disk-shaped shield to prevent the server from being turned off accidentally. Hard disk drive activity LED: When this LED is flashing, it indicates that a hard disk drive is in use. System locator LED: Use this LED to visually locate the server among other servers. You can use IBM Director to light this LED remotely. © Copyright IBM Corp. 2008 35

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Chapter
3.
Server
controls,
connectors,
LEDs,
and
power
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
and
LEDs
on
the
front
of
the
server.
Note:
The
front
bezel
door
is
not
shown
so
that
the
drive
bays
are
visible.
USB 2
USB 1
Power-control button
DVD-eject button
DVD drive
activity LED
(green)
System power LED
Hard disk drive activity LED
System locator LED
System-information LED
System-error LED
Hard disk
drive activity
LED (green)
Hard disk
drive status
LED (amber)
System
power
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
is
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.
A
power
LED
is
also
on
the
rear
of
the
server.
Power-control
button:
Press
this
button
to
turn
the
server
on
and
off
manually.
A
power-control-button
shield
comes
with
the
server.
You
can
install
this
disk-shaped
shield
to
prevent
the
server
from
being
turned
off
accidentally.
Hard
disk
drive
activity
LED:
When
this
LED
is
flashing,
it
indicates
that
a
hard
disk
drive
is
in
use.
System
locator
LED:
Use
this
LED
to
visually
locate
the
server
among
other
servers.
You
can
use
IBM
Director
to
light
this
LED
remotely.
©
Copyright
IBM
Corp.
2008
35