3Com 10/100BASE-T4 PCI Network Card User Manual


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A-6 APPENDIX A: CABLING
RJ-45 Connector Pin Assignments
Figure A-1 shows the RJ-45 connector pin assignments.
Figure A-1 RJ-45 Connector Pin Assignments
T4
T4
8
7
6
5
4
12345678
3
2
1
BI_DI4–(8)
BI_DI4+(7)
RD–(6)
BI_DI3–(5)
BI_DI3+(4)
RD+(3)
TD–(2)
TD+(1)
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