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A.1 Switch's RJ-45 Pin Assignments
1000Mbps, 1000Base T
Contact
1
2
3
4
5
6
7
8
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 10/100Mbps, 10/100Base-TX
Contact
1
2
3
6
MDI
MDI-X
BI_DA+
BI_DB+
BI_DA-
BI_DB-
BI_DB+
BI_DA+
BI_DC+
BI_DD+
BI_DC-
BI_DD-
BI_DB-
BI_DA-
BI_DD+
BI_DC+
BI_DD-
BI_DC-
MDI
MDI-X
1
2
3
6
3
6
1
2
APPENDIX A
269
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