10BASE-T Network
2-2 Network Requirements
10BASE-T Network
When
connecting
a
10BASE
‐
T
segment
to
any
of
the
fixed
front
panel
ports
of
the
2G4082
‐
25,
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
2G4082
‐
25
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-T Network
The
2G4082
‐
25
supports
10/100/1000 Mbps
by
means
of
fixed
RJ45
front
panel
connectors.
These
connections
support
copper
wire
connections
that
can
operate
up
to
1000 Mbps.
The
device
at
the
other
end
of
the
twisted
pair
segment
must
meet
IEEE
802.3
‐
2002
network
requirements
for
the
devices
to
operate
at
Gigabit
speed.
1000BASE-SX/LX/ELX Network
The
optional
Mini
‐
GBICs
provide
a
Gigabit
Ethernet
connection
to
the
optional
network
expansion
modules
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.
Note:
The fixed ports of each module support Category 5 UTP cabling with an impedance between
85 and 111 ohms for 100 and 1000 Mbps operation and can automatically sense the port speed of
the other device and adjusts its speed accordingly.
