100BASE-TX Network
2-2 Network Requirements
100BASE-TX Network
Fixed
front
panel
ports
of
the
4H4282
‐
49,
4H4283
‐
49,
4H4203
‐
72,
and
4H4202
‐
72
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.
100BASE-FX Fiber-Optic Network
The
4H4284
‐
49
DFE
‐
Gold
module
provides
48
ports
that
support
100
Mbps
multimode
fiber
‐
optic
connectivity
through
48
fixed
front
‐
panel
MT
‐
RJ
connectors,
which
support
100BASE
‐
FX
fiber
‐
optic
cabling.
The
device
at
the
other
end
of
the
fiber
‐
optic
segment
must
meet
100BASE
‐
FX
Fast
Ethernet
network
requirements
for
the
devices
to
operate
at
100 Mbps.
IEEE
802.3u
100BASE
‐
FX
characteristics
for
Multimode
Fiber
is
a
segment
length
of
412 meters
(switched
port)
in
half
duplex,
2 kilometers
(switched
port)
in
full
duplex.
This
distance
will
be
considerably
shorter
from
a
repeater
port.
Make
sure
to
check
your
network
diameter
specifications.
Refer
to
the
Cabling
Guide
for
details.
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 either 10 or 100 Mbps. The module automatically
senses the speed of the other device and adjusts its speed accordingly.