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APPENDIX A NETWORKING CONNECTION
A.1 Switch‘s RJ-45 Pin Assignments
1000Mbps, 1000Base T
Contact
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-
A.2 RJ-45 cable pin assignment
The standard RJ-45 receptacle/connector
There are 8 wires on a standard UTP/STP cable and each wire is color-coded. The following shows the pin allocation
and color of straight cable and crossover cable connection:
Figure A-1: Straight-Through and Crossover Cable
Please make sure your connected cables are with same pin assignment and color as above picture before deploying the
cables into your network.
