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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-)