10BASE-T Network
2-2 Network Requirements
In
normal
usage
(and
typical
implementations)
there
is
no
need
to
enable/disable
ports
for
Link
Aggregation.
The
default
values
will
result
in
the
maximum
number
of
aggregations
possible.
If
the
switch
is
placed
in
a
configuration
with
its
peers
not
running
the
protocol,
no
aggregations
will
be
formed
and
the
modules
will
function
normally
(that
is,
Spanning
Tree
will
block
redundant
paths).
For
details
about
the
commands
involved
with
configuring
the
Link
Aggregation
function,
refer
to
the
Matrix
DFE
‐
Gold
Series
Configuration
Guide
.
10BASE-T Network
When
connecting
a
10BASE
‐
T
segment
to
any
of
the
fixed
front
panel
ports
of
the
4G4202
‐
72
or
4G4282
‐
49,
ensure
that
the
network
meets
the
Ethernet
network
requirements
of
the
IEEE
802.3
‐
2002
standard
for
10BASE
‐
T.
Refer
to
the
Cabling
Guide
for
details.
100BASE-TX Network
The
fixed
front
panel
ports
of
the
4G4202
‐
72
or
4G4282
‐
49
provide
a
connection
that
supports
Category
5
UTP
cabling.
The
device
at
the
other
end
of
the
twisted
pair
segment
must
meet
IEEE
802.3
‐
2002
100BASE
‐
TX
Fast
Ethernet
network
requirements
for
the
devices
to
operate
at
100 Mbps.
Refer
to
the
Cabling
Guide
for
details.
1000BASE-SX/LX/ELX Network
The
optional
Mini
‐
GBICs
provide
a
Gigabit
Ethernet
connection
to
the
optional
7G
‐
6MGBIC
‐
A
interface
module
to
provide
fiber
‐
optic
connections
operating
at
1000 Mbps
(1 Gbps).
Other
Mini
‐
GBICs
may
support
different
types
of
cabling
connections.
The
device
at
the
other
end
of
the
fiber
‐
optic
connection
must
meet
IEEE
802.3
‐
2002
Gigabit
Ethernet
requirements
for
the
devices
to
operate
at
Gigabit
speed.
Refer
to
Appendix A
for
further
details
on
Mini
‐
GBIC
specifications.
Note:
If a port is to operate at 100 Mbps, Category 5 cabling must be used. Category 3
cabling does not meet 100 Mbps specifications. For 10 Mbps operation only, Category 3
or Category 5 cabling can be used. Refer to “
100BASE-TX Network
” on page 2-2 for
information about 100BASE-TX networks and cabling.
Note:
The fixed ports of the module support Category 5 UTP cabling with an impedance
between 85 and 111 ohms for 100 Mbps operation. The module is capable of operating at
10, 100, or 1000 Mbps and can automatically sense the port speed of the other device and
adjust its speed accordingly.
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