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Appendix A Networking Connection
A.1 Switch's RJ-45 Pin Assignments
10/100Mbps, 10/100Base-TX
Contact
1
2
3
6
4, 5, 7, 8
A.2 RJ-45 cable pin assignment
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.
MDI
1 (TX +)
2 (TX -)
3 (RX +)
6 (RX -)
Not used
2 1
6
3
6
3
2 1
6
3
2
1
MDI-X
3
6
1
2
Not used
1
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