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APPENDIX A
A.1 Device's RJ-45 Pin Assignments
• 10/100Mbps, 10/100Base-TX
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MDI
MDI-X
1
1 (TX +)
3
2
2 (TX -)
6
3
3 (RX +)
1
6
6 (RX -)
2
4, 5, 7, 8
Not used
Not used
Implicit implementation of the crossover function within a
twisted-pair cable, or at a wiring panel, while not expressly
forbidden, is beyond the scope of this standard.
A.2 RJ-45 cable pin assignment
There are 8 wires on a standard UTP/STP cable and each wire is
color-coded. The following shows the pin allocation and color of
straight cable and crossover cable connection:
