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100BASE-TX Network
2-2 Network Requirements
100BASE-TX Network
When
connecting
a
100BASE
‐
TX
segment
to
one
of
the
fixed
ports
(1 through
24
on
C2G124
‐
24,
1
through
48
on
C2G124
‐
48,
or
1
through
48
on
C2H124
‐
48),
use
Category
5
UTP
cabling.
The
switch
at
the
other
end
of
the
twisted
pair
segment
must
meet
IEEE
802.3
‐
2002
100BASE
‐
TX
Fast
Ethernet
network
requirements
for
the
switches
to
operate
at
100 Mbps.
1000BASE-FX Network
The
Mini
‐
GBIC
port
sockets
(21 through
24
on
C2G124
‐
24;
45
through
48
on
C2G124
‐
48;
or
49
through
52
on
C2H124
‐
48)
enable
you
to
vary
the
type
of
1
‐
Gbps
port
connection.
At
the
printing
of
this
document
there
were
six
Mini
‐
GBICs
available
that
support
connections,
as
follows:
•
MGBIC
‐
LC01
for
a
1000BASE
‐
SX
compliant
LC
fiber
‐
optic
multimode
connection
•
MGBIC
‐
LC03
for
a
1000BASE
‐
SX
compliant
LC
fiber
‐
optic
multimode
connection
•
MGBIC
‐
LC09
for
a
1000BASE
‐
LX
compliant
LC
fiber
‐
optic
single
‐
mode
connection
•
MGBIC
‐
MT01
for
a
1000BASE
‐
SX
compliant
MT
‐
RJ
fiber
‐
optic
single
‐
mode
connection
•
MGBIC
‐
08
for
a
1000BASE
‐
ELX
compliant
LC
fiber
‐
optic
single
‐
mode
connection
The
device
at
the
other
end
of
the
fiber
connection
must
meet
the
same
Gigabit
Ethernet
requirements
for
the
connected
devices
to
operate
at
1
‐
Gigabit
speed.
1000BASE-T Network
The
RJ45
fixed
front
panel
connectors
and
optional
SFP
MGBIC
‐
02
support
RJ45
copper
1000BASE
‐
T
compliant
connections.
When
connecting
a
1000BASE
‐
T
segment
to
one
of
the
RJ45
fixed
ports
or
to
an
optional
MGBIC
‐
02,
use
Category
5
UTP
cabling.
The
device
at
the
other
end
of
the
twisted
pair
segment
must
meet
IEEE
802.3
‐
2002
1000BASE
‐
T
Gigabit
Ethernet
network
requirements
for
the
devices
to
operate
at
1000 Mbps.
Note:
When using the fixed ports on the switch for 100 Mbps operation use Category 5
UTP cabling with an impedance between 85 and 111 ohms for 100 Mbps operation.
The fixed switch ports are capable of operating at 10, 100 or 1000 Mbps. This is
accomplished by the switch when Auto-Negotiation is enabled. This enables the switch to
automatically sense the transmission speed of the other device and adjust for the speed
accordingly.
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