IBM 884872U User Guide - Page 22

Power-cord, connector, Activity, Ethernet, System-error, Power-on, Gigabit, Ethernet, connectors,

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Rear view v When the drive is connected to an optional ServeRAID™ controller, a slowly flashing (one flash per second) status LED indicates that the drive is being rebuilt. When the LED is flashing rapidly (three flashes per second), it indicates that the controller is identifying the drive. The following illustration shows the connectors and LEDs on the rear of the server. Activity LEDs Link LEDs System-error LED Power-cord connector Serial connector Video USB connectors connector Power-on LED Gigabit Ethernet 1 connector (LAN1) Gigabit Ethernet 2 connector (LAN2) Power-cord connector: Connect the power cord to this connector. Activity LEDs (Ethernet): These green LEDs are on the dual Ethernet connector. When either LED flashes, it indicates that data is being transmitted or received between the server and the network device that is connected to the left or right connector. The flashing frequency is proportional to the amount of traffic on the network link. Link LEDs (Ethernet): These LEDs are on the dual Ethernet connector. When either LED is lit, it indicates that there is an active link between the server and the network device that is connected to the left or right connector. System-error LED: When this LED is lit, it indicates that a system error has occurred. An LED near the failing component on the system board is also lit to help isolate the error. A system-error LED is also on the front of 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. A power-on LED is also on the front of the server. 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. Gigabit Ethernet 1 (LAN 1) connector: Use this connector to connect the server to a network. Gigabit Ethernet 2 (LAN 2) connector: Use this connector to connect the server to a network. USB connectors: Connect USB devices to these connectors. Video connector: Connect a monitor to this connector. 8 326 Type 8848: User's Guide

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v
When
the
drive
is
connected
to
an
optional
ServeRAID
™
controller,
a
slowly
flashing
(one
flash
per
second)
status
LED
indicates
that
the
drive
is
being
rebuilt.
When
the
LED
is
flashing
rapidly
(three
flashes
per
second),
it
indicates
that
the
controller
is
identifying
the
drive.
Rear
view
The
following
illustration
shows
the
connectors
and
LEDs
on
the
rear
of
the
server.
Link LEDs
Activity LEDs
Power-cord
connector
Serial
connector
Video
connector
USB connectors
Gigabit Ethernet 2
connector (LAN2)
Gigabit Ethernet 1
connector (LAN1)
System-error LED
Power-on LED
Power-cord
connector:
Connect
the
power
cord
to
this
connector.
Activity
LEDs
(Ethernet):
These
green
LEDs
are
on
the
dual
Ethernet
connector.
When
either
LED
flashes,
it
indicates
that
data
is
being
transmitted
or
received
between
the
server
and
the
network
device
that
is
connected
to
the
left
or
right
connector.
The
flashing
frequency
is
proportional
to
the
amount
of
traffic
on
the
network
link.
Link
LEDs
(Ethernet):
These
LEDs
are
on
the
dual
Ethernet
connector.
When
either
LED
is
lit,
it
indicates
that
there
is
an
active
link
between
the
server
and
the
network
device
that
is
connected
to
the
left
or
right
connector.
System-error
LED:
When
this
LED
is
lit,
it
indicates
that
a
system
error
has
occurred.
An
LED
near
the
failing
component
on
the
system
board
is
also
lit
to
help
isolate
the
error.
A
system-error
LED
is
also
on
the
front
of
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.
A
power-on
LED
is
also
on
the
front
of
the
server.
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.
Gigabit
Ethernet
1
(LAN
1)
connector:
Use
this
connector
to
connect
the
server
to
a
network.
Gigabit
Ethernet
2
(LAN
2)
connector:
Use
this
connector
to
connect
the
server
to
a
network.
USB
connectors:
Connect
USB
devices
to
these
connectors.
Video
connector:
Connect
a
monitor
to
this
connector.
8
326
Type
8848:
User’s
Guide