Lenovo ThinkServer RD120 User Guide - Page 23

Operator, information, panel, Power-control, button, Power-on, Attention, drive, activity, System-

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1 Operator information panel 7 Hard disk drive status LED (amber) 2 USB connector 8 Rack release latch 3 USB connector 9 CD/DVD eject button 4 Video connector 10 CD/DVD drive activity LED 5 Tape drive bay 11 Rack release latch 6 Hard disk drive activity LED (green) Operator information panel: This panel contains controls, LEDs, and connectors. The following illustration shows the controls, LEDs, and connectors on the operator information panel. 1 Power-on LED 2 Hard disk drive activity LED 3 Information LED 4 Release latch 5 System error LED 7 System locator LED 7 Power-control button 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. 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 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 Lenovo 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. Chapter 1. The ThinkServer RD120 server 9

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±1²
Operator
information
panel
±7²
Hard
disk
drive
status
LED
(amber)
±2²
USB
connector
±8²
Rack
release
latch
±3²
USB
connector
±9²
CD/DVD
eject
button
±4²
Video
connector
±10²
CD/DVD
drive
activity
LED
±5²
Tape
drive
bay
±11²
Rack
release
latch
±6²
Hard
disk
drive
activity
LED
(green)
Operator
information
panel:
This
panel
contains
controls,
LEDs,
and
connectors.
The
following
illustration
shows
the
controls,
LEDs,
and
connectors
on
the
operator
information
panel.
±1²
Power-on
LED
±5²
System
error
LED
±2²
Hard
disk
drive
activity
LED
±7²
System
locator
LED
±3²
Information
LED
±7²
Power-control
button
±4²
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.
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
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
Lenovo
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.
Chapter
1.
The
ThinkServer
RD120
server
9