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.
Power-cord
connector
AC power LED
DC power LED
Power-supply
filler panel
Power
supply 1
SAS
connector
S
-
Ethernet connector
ystems management
Serial
connector
Video
connector
USB 1
connector
USB 2
connector
USB 3
connector
USB 4
connector
Ethernet 2
connector
Ethernet 1
connector
Ethernet
activity LEDs
Ethernet
link LEDs
Power-on LED
System-locator LED
System-error LED
Power-cord
connector
(ac
power
supply
only):
Connect
the
power
cord
to
this
connector.
Attention:
In
a
dc
power
environment,
only
trained
service
personnel
other
than
IBM
service
technicians
are
authorized
to
connect
or
disconnect
power
to
the
dc
power
supply.
See
the
documentation
that
comes
with
each
dc
power
supply.
AC
power
LED:
Each
hot-swap
power
supply
has
an
ac
power
LED
and
a
dc
power
LED.
When
the
ac
power
LED
is
lit,
it
indicates
that
sufficient
power
is
coming
into
the
power
supply
through
the
power
cord.
During
typical
operation,
both
the
ac
and
dc
power
LEDs
are
lit.
For
any
other
combination
of
LEDs,
see
the
Problem
Determination
and
Service
Guide
on
the
IBM
System
x
Documentation
CD.
DC
power
LED:
Each
hot-swap
power
supply
has
a
dc
power
LED
and
an
ac
power
LED.
When
the
dc
power
LED
is
lit,
it
indicates
that
the
power
supply
is
supplying
adequate
dc
power
to
the
system.
During
typical
operation,
both
the
ac
and
dc
power
LEDs
are
lit.
For
any
other
combination
of
LEDs,
see
the
Problem
Determination
and
Service
Guide
on
the
IBM
System
x
Documentation
CD.
Systems-management
Ethernet
connector:
Use
this
connector
to
connect
the
server
to
a
network
for
systems-management
information
control.
This
connector
is
active
only
if
you
have
installed
a
Remote
Supervisor
Adapter
II
SlimLine,
and
it
is
used
only
by
the
Remote
Supervisor
Adapter
II
SlimLine.
Ethernet
activity
LEDs:
When
these
LEDs
are
lit,
they
indicate
that
the
server
is
transmitting
to
or
receiving
signals
from
the
Ethernet
LAN
that
is
connected
to
the
Ethernet
port.
Chapter
1.
The
System
x3650
Type
7979
server
11
Содержание 7979B1U
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