IBM 8840 Hardware Maintenance Manual - Page 66

Ethernet, connectors, Advanced, Systems, Management, Keyboard, connector, Serial, Ultra320,

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Ethernet connectors The following illustration shows an Ethernet connector. 8 1 Connect a Category 3, 4, or 5 unshielded twisted-pair cable to this connector. 100BASE-TX and 1000BASE-T Fast Ethernet standards require Category 5 or higher cabling. The server has three Ethernet connectors. Two of the Ethernet connectors are attached to the Ethernet controllers. See the User's Guide on the IBM xSeries Documentation CD for more information about the Ethernet controllers. To enable remote server management through a network, use the Remote Supervisor Adapter II SlimLine Ethernet connector. This connector is active only if an optional Remote Supervisor Adapter II SlimLine is installed. See the documentation that comes with the option for more information. Advanced Systems Management (ASM) connectors Use either of these dual RJ-45 connectors to connect the server to an Integrated xSeries Adapter (IXA) that is installed in the server. Keyboard connector Use this connector to connect a PS/2 (non-USB) keyboard to the server. The following illustration shows a keyboard connector. 6 5 4 3 2 1 If you attach a keyboard to this connector, USB ports and devices are disabled during POST. Serial connector Use a serial connector to connect a serial device. The following illustration shows a serial connector. 1 5 6 9 Ultra320 SCSI controller system-board connectors The integrated dual channel small computer system interface (SCSI) controller with integrated RAID supports two independent Ultra320 SCSI channels: one external and one internal. Each channel supports up to 15 SCSI devices. You can use the external LVD SCSI channel connector on the rear of the server to connect different types of SCSI devices, such as drives or printers. This controller uses: v Double-transition clocking to achieve up to 320 MB-per-second data-transfer rates 56 xSeries 346 Types 8840 and 1880: Hardware Maintenance Manual and Troubleshooting Guide

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Ethernet
connectors
The
following
illustration
shows
an
Ethernet
connector.
8
1
Connect
a
Category
3,
4,
or
5
unshielded
twisted-pair
cable
to
this
connector.
100BASE-TX
and
1000BASE-T
Fast
Ethernet
standards
require
Category
5
or
higher
cabling.
The
server
has
three
Ethernet
connectors.
Two
of
the
Ethernet
connectors
are
attached
to
the
Ethernet
controllers.
See
the
User’s
Guide
on
the
IBM
xSeries
Documentation
CD
for
more
information
about
the
Ethernet
controllers.
To
enable
remote
server
management
through
a
network,
use
the
Remote
Supervisor
Adapter
II
SlimLine
Ethernet
connector.
This
connector
is
active
only
if
an
optional
Remote
Supervisor
Adapter
II
SlimLine
is
installed.
See
the
documentation
that
comes
with
the
option
for
more
information.
Advanced
Systems
Management
(ASM)
connectors
Use
either
of
these
dual
RJ-45
connectors
to
connect
the
server
to
an
Integrated
xSeries
Adapter
(IXA)
that
is
installed
in
the
server.
Keyboard
connector
Use
this
connector
to
connect
a
PS/2
(non-USB)
keyboard
to
the
server.
The
following
illustration
shows
a
keyboard
connector.
6
4
2
1
3
5
If
you
attach
a
keyboard
to
this
connector,
USB
ports
and
devices
are
disabled
during
POST.
Serial
connector
Use
a
serial
connector
to
connect
a
serial
device.
The
following
illustration
shows
a
serial
connector.
1
5
6
9
Ultra320
SCSI
controller
system-board
connectors
The
integrated
dual
channel
small
computer
system
interface
(SCSI)
controller
with
integrated
RAID
supports
two
independent
Ultra320
SCSI
channels:
one
external
and
one
internal.
Each
channel
supports
up
to
15
SCSI
devices.
You
can
use
the
external
LVD
SCSI
channel
connector
on
the
rear
of
the
server
to
connect
different
types
of
SCSI
devices,
such
as
drives
or
printers.
This
controller
uses:
v
Double-transition
clocking
to
achieve
up
to
320
MB-per-second
data-transfer
rates
56
xSeries
346
Types
8840
and
1880:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide