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Crossover wiring – SMC Networks 48-Port User Manual

Page 54

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C

ABLES

B-4

Crossover Wiring

If the twisted-pair cable is to join two ports and either both ports
are labeled with an “x” (MDI-X) or neither port is labeled with an

“x” (MDI), a crossover must be implemented in the wiring.

Crossover RJ-45 Pin Assignments

End 1

End 2

1 (Tx+)

3 (Rx+)

2 (Tx-)

6 (Rx-)

3 (Rx+)

1 (Tx+)

6 (Rx-)

2 (Tx-)