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Straight-through cable, Crossover cable – SMC Networks Barricade SMC7004AWBR User Manual

Page 82

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C

ABLES

B-2

Figure B-1 illustrates how the pins on the RJ-45 connector are
numbered. Be sure to hold the connectors in the same orientation
when attaching the wires to the pins.

Figure B-1. RJ-45 Connector Pin Numbers

Straight-through Cable

Crossover Cable

Straight-Through RJ-45 Pin Assignments

End 1

End 2

1 (TD+)

1 (TD+)

2 (TD-)

2 (TD-)

3 (RD+)

3 (RD+)

6 (RD-)

6 (RD-)

Pins 4, 5, 7 and 8 are not connected.

Crossover RJ-45 Pin Assignments

End 1

End 2

1 (TD+)

3 (RD+)

2 (TD-)

6 (RD-)

3 (RD+)

1 (TD+)

6 (RD-)

2 (TD-)

Pins 4, 5, 7 and 8 are not connected.