SMC Networks SMC6724L2 Manuel d'utilisateur télécharger pdf (Page 52)

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-)

1 2 ... 47 48 49 50 51 52 53 54 55 56 57 ... 75 76

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SMC Networks SMC6724L2 Manuel d'utilisateur Page 52