IBM 88772ru User Guide - Page 20

Server, controls, connectors, power, Front

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Server controls, connectors, LEDs, and power This section describes the controls, connectors, 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. Operator information panel USB connectors Hard disk drive activity LED Hard disk drive status LED DVD-eject button DVD drive activity LED Operator information panel: The following illustration shows the controls and LEDs on the operator information panel. Locator LED Information LED Hard disk drive activity LED System-error LED Power-on LED Power-control button Release latch USB connectors The following controls and LEDs are on the operator information panel: Power-control button: Press this button to turn the server on and off manually. A power-control-button shield comes with the server. 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 cords from the electrical outlets. Hard disk drive activity LED: When this LED is flashing, it indicates that a SAS hard disk drive is in use. 8 IBM System x3755 Type 8877: User's Guide

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Server
controls,
connectors,
LEDs,
and
power
This
section
describes
the
controls,
connectors,
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.
Operator information
panel
DVD drive activity LED
Hard disk drive
activity LED
Hard disk drive
status LED
DVD-eject button
USB connectors
Operator
information
panel:
The
following
illustration
shows
the
controls
and
LEDs
on
the
operator
information
panel.
Power-control button
Power-on LED
USB connectors
Hard disk drive activity LED
Information LED
System-error LED
Locator LED
Release latch
The
following
controls
and
LEDs
are
on
the
operator
information
panel:
Power-control
button:
Press
this
button
to
turn
the
server
on
and
off
manually.
A
power-control-button
shield
comes
with
the
server.
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
cords
from
the
electrical
outlets.
Hard
disk
drive
activity
LED:
When
this
LED
is
flashing,
it
indicates
that
a
SAS
hard
disk
drive
is
in
use.
8
IBM
System
x3755
Type
8877:
User’s
Guide