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Appendix A Pin Assignments 15
EtheRx User’s Guide - Rev. B00 Kingston Technology Company
Appendix A Pin Assignments
UTP Pin Assignments
UTP Ports use RJ-45 Unshielded Twisted Pair (UTP) cabling. Cable Pin
Numbers and Pin Wiring Assignments are listed below in Figure A-1 and Table
A-2, respectively. Twisted-Pair cables can be wired with either Straight-
Through or Crossover pin assignments. Both wiring schemes are mentioned in
"Appendix B Cable Connections" for reference in creating a twisted-pair cable.
BNC AUI
16 15 14
1 2 3 4 5 6 7 8
Fig. A-1 RJ-45 Connector Pin Numbers
Pin Number Function
1 Transmit Data +
2 Transmit Data -
3 Receive Data +
4,5 Not Used
6 Receive Data -
7,8 Not Used
Table A-2 UTP Pin Assignments