10
11
APPENDIX A
A.1 Switch‘s RJ-45 Pin Assignments
1000Mbps, 1000Base T
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MDI
MDI-X
1
BI_DA+
BI_DB+
2
BI_DA-
BI_DB-
3
BI_DB+
BI_DA+
4
BI_DC+
BI_DD+
5
BI_DC-
BI_DD-
6
BI_DB-
BI_DA-
7
BI_DD+
BI_DC+
8
BI_DD-
BI_DC-
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
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MDI
MDI-X
1
1
3
2
2
6
3
3
1
6
6
2