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Appendix: A Networking Connection
A.1 PoE RJ-45 Port Pin Assignments
1 2 3 4 5 6 7 8
PIN NO RJ-45 POWER ASSIGNMENT
1 Power +
2 Power +
3 Power -
6 Power -
A.2 Switch’s Data RJ-45 Pin Assignments - 1000Mbps, 1000Base-T
PIN NO 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.
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