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207344-B B-5
UTP Cables and Connectors
Table B-3 shows the pin assignments for 10BASE-T/100BASE-TX ports in the
standard MDI-X configuration.
Figure B-4
shows a 10BASE-T/100BASE-TX Ethernet UTP crossover cable used
to connect an Ethernet hub directly to the EtherSpeedII switch module.
Figure B-4. 10BASE-T/100BASE-TX Ethernet UTP Crossover Cable
Table B-3. 10BASE-T/100BASE-TX MDI-X Port Pin Assignments
RJ-45 Connector Port Pin # MDI-X Ports
1 Receive data +
2 Receive data –
3 Transmit data +
4 Not used
5 Not used
6 Transmit data –
7 Not used
8 Not used
9475EA
1 2 3 4 5 6 7 8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
RD+
RD-
TD+
Unused
Unused
TD-
Unused
Unused
RD+
RD-
TD+
Unused
Unused
TD-
Unused
Unused
6740.2