Lenovo ThinkServer RD120 User Guide - Page 24

Information, System-error, Release, latch, connectors, Video, connector, drive, activity, status, CD

Page 24 highlights

Rear view v Information LED: When this LED is lit, it indicates that a noncritical event has occurred. An LED on the 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 diagnostics panel is also lit to help isolate the error. v Release latch: Slide this latch to the left to access the 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. CD/DVD drive activity LED: When this LED is lit, it indicates that the CD-RW/DVD drive is in use. Rack release latches: Press these latches to release the server from the rack. The following illustration shows the connectors and LEDs on the rear of the server. Attention: In a dc power environment, see the documentation that comes with the dc power supply for information about the power-supply LEDs. 1 Power cord connector 2 AC power LED 3 DC power LED 4 Power-supply filler panel 5 Systems-management Ethernet connector 6 Ethernet activity LEDs 7 Ethernet link LEDs 8 Ethernet connector 1 9 USB 4 connector 10 ThinkServer RD120 Types 6444, 6445, 6446, and 6447: User Guide 11 Ethernet 2 connector 12 USB 2 connector 13 USB 1 connector 14 Video connector 15 System error LED 16 System locator LED 17 Power on LED 18 Serial connector 19 SAS connector

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v
Information
LED:
When
this
LED
is
lit,
it
indicates
that
a
noncritical
event
has
occurred.
An
LED
on
the
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
diagnostics
panel
is
also
lit
to
help
isolate
the
error.
v
Release
latch:
Slide
this
latch
to
the
left
to
access
the
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.
CD/DVD
drive
activity
LED:
When
this
LED
is
lit,
it
indicates
that
the
CD-RW/DVD
drive
is
in
use.
Rack
release
latches:
Press
these
latches
to
release
the
server
from
the
rack.
Rear
view
The
following
illustration
shows
the
connectors
and
LEDs
on
the
rear
of
the
server.
Attention:
In
a
dc
power
environment,
see
the
documentation
that
comes
with
the
dc
power
supply
for
information
about
the
power-supply
LEDs.
±1²
Power
cord
connector
±11²
Ethernet
2
connector
±2²
AC
power
LED
±12²
USB
2
connector
±3²
DC
power
LED
±13²
USB
1
connector
±4²
Power-supply
filler
panel
±14²
Video
connector
±5²
Systems-management
Ethernet
connector
±15²
System
error
LED
±6²
Ethernet
activity
LEDs
±16²
System
locator
LED
±7²
Ethernet
link
LEDs
±17²
Power
on
LED
±8²
Ethernet
connector
1
±18²
Serial
connector
±9²
USB
4
connector
±19²
SAS
connector
10
ThinkServer
RD120
Types
6444,
6445,
6446,
and
6447:
User
Guide