IBM JS20 User Guide - Page 40

Ethernet, controller, switch, module, cabling, requirements

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Note: For device driver and configuration information to complete the installation of the I/O expansion card, see the documentation that comes with the card. Some documentation might also be on the IBM BladeCenter Documentation CD that comes with the BladeCenter unit. For the latest editions of the IBM BladeCenter documentation, go to http://www.ibm.com/support on the World Wide Web. 8. If you have other options to install or remove, do so now; otherwise, go to "Completing the installation" on page 29. Ethernet controller, switch module, and cabling requirements One dual-port Gigabit Ethernet controller is integrated on the BladeCenter JS20 Type 8842 system board. To support Ethernet connections and the Serial Over LAN (SOL) feature and to configure the blade server, you must install an optional Ethernet-compatible switch module, such as the Nortel Networks Layer 2-7 GbE Switch Module for IBM BladeCenter or IBM 4-Port Gb Ethernet Switch Module for BladeCenter, in I/O bay 1 of the BladeCenter unit. Each controller port provides a 1000-Mbps full-duplex interface for connecting to one of the Ethernet-compatible switch modules in I/O bays 1 and 2. If you plan to attach additional Ethernet devices to the blade server or the BladeCenter unit, you must install an optional Ethernet-compatible switch module, such as the Nortel Networks Layer 2-7 GbE Switch Module for IBM BladeCenter or IBM 4-Port Gb Ethernet Switch Module for BladeCenter, in I/O bay 3 or 4 of the BladeCenter unit, to support these additional Ethernet connections. The optional Ethernet switch modules contain four ports with RJ-45 connectors. These connectors provide a 10/100/1000 Base-T interface (either at half-duplex or full duplex) for connecting twisted-pair cable to the Ethernet network. You must purchase and install a compatible cable to connect these devices. To connect an Ethernet controller port to a repeater or switch module, use an unshielded twisted pair (UTP) cable with RJ-45 connectors at both ends. For 100 Mbps or higher operation, Category 5 cabling is required. For 10 Mbps operation, Category 3 or Category 5 cabling is required. Notes: v For more information about Ethernet requirements, see the documentation that comes with the Ethernet devices and the Installation and User's Guide for your BladeCenter unit. v For more information about installing, configuring, and using the Ethernet switch modules, see the documentation that comes with the Ethernet switch module that you are using, such as the IBM 4-Port Gb Ethernet Switch Module for BladeCenter Installation and User's Guide or Nortel Networks Layer 2-7 GbE Switch Module for IBM BladeCenter Installation Guide. v For more information about the SOL feature, see Chapter 5, "Configuration requirements for the blade server," on page 35, the IBM BladeCenter and BladeCenter T Serial Over LAN Setup Guide, and the BladeCenter and BladeCenter T Management Module Command-Line Interface Reference Guide. 28 BladeCenter JS20 Type 8842: Installation and User's Guide

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Note:
For
device
driver
and
configuration
information
to
complete
the
installation
of
the
I/O
expansion
card,
see
the
documentation
that
comes
with
the
card.
Some
documentation
might
also
be
on
the
IBM
BladeCenter
Documentation
CD
that
comes
with
the
BladeCenter
unit.
For
the
latest
editions
of
the
IBM
BladeCenter
documentation,
go
to
on
the
World
Wide
Web.
8.
If
you
have
other
options
to
install
or
remove,
do
so
now;
otherwise,
go
to
“Completing
the
installation”
on
page
29.
Ethernet
controller,
switch
module,
and
cabling
requirements
One
dual-port
Gigabit
Ethernet
controller
is
integrated
on
the
BladeCenter
JS20
Type
8842
system
board.
To
support
Ethernet
connections
and
the
Serial
Over
LAN
(SOL)
feature
and
to
configure
the
blade
server,
you
must
install
an
optional
Ethernet-compatible
switch
module,
such
as
the
Nortel
Networks
Layer
2-7
GbE
Switch
Module
for
IBM
BladeCenter
or
IBM
4-Port
Gb
Ethernet
Switch
Module
for
BladeCenter,
in
I/O
bay
1
of
the
BladeCenter
unit.
Each
controller
port
provides
a
1000-Mbps
full-duplex
interface
for
connecting
to
one
of
the
Ethernet-compatible
switch
modules
in
I/O
bays
1
and
2.
If
you
plan
to
attach
additional
Ethernet
devices
to
the
blade
server
or
the
BladeCenter
unit,
you
must
install
an
optional
Ethernet-compatible
switch
module,
such
as
the
Nortel
Networks
Layer
2-7
GbE
Switch
Module
for
IBM
BladeCenter
or
IBM
4-Port
Gb
Ethernet
Switch
Module
for
BladeCenter,
in
I/O
bay
3
or
4
of
the
BladeCenter
unit,
to
support
these
additional
Ethernet
connections.
The
optional
Ethernet
switch
modules
contain
four
ports
with
RJ-45
connectors.
These
connectors
provide
a
10/100/1000
Base-T
interface
(either
at
half-duplex
or
full
duplex)
for
connecting
twisted-pair
cable
to
the
Ethernet
network.
You
must
purchase
and
install
a
compatible
cable
to
connect
these
devices.
To
connect
an
Ethernet
controller
port
to
a
repeater
or
switch
module,
use
an
unshielded
twisted
pair
(UTP)
cable
with
RJ-45
connectors
at
both
ends.
For
100
Mbps
or
higher
operation,
Category
5
cabling
is
required.
For
10
Mbps
operation,
Category
3
or
Category
5
cabling
is
required.
Notes:
v
For
more
information
about
Ethernet
requirements,
see
the
documentation
that
comes
with
the
Ethernet
devices
and
the
Installation
and
User’s
Guide
for
your
BladeCenter
unit.
v
For
more
information
about
installing,
configuring,
and
using
the
Ethernet
switch
modules,
see
the
documentation
that
comes
with
the
Ethernet
switch
module
that
you
are
using,
such
as
the
IBM
4-Port
Gb
Ethernet
Switch
Module
for
BladeCenter
Installation
and
User’s
Guide
or
Nortel
Networks
Layer
2-7
GbE
Switch
Module
for
IBM
BladeCenter
Installation
Guide
.
v
For
more
information
about
the
SOL
feature,
see
Chapter
5,
“Configuration
requirements
for
the
blade
server,”
on
page
35,
the
IBM
BladeCenter
and
BladeCenter
T
Serial
Over
LAN
Setup
Guide
,
and
the
BladeCenter
and
BladeCenter
T
Management
Module
Command-Line
Interface
Reference
Guide
.
28
BladeCenter
JS20
Type
8842:
Installation
and
User’s
Guide