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Appendix D Connectors and pin assignments 197
Using the BayStack 420 10/100/1000 Switch
MDI-X to MDI cable connections
BayStack 420 Switch switches use MDI-X ports that allow you to connect directly
to end stations without using crossover cables (Figure 85).
Figure 85 MDI-X to MDI cable connections
MDI-X to MDI-X cable connections
If you are connecting the BayStack 420 Switch to a device that also implements
MDI-X ports, use a crossover cable (Figure 86).
1818
81 81
RX+
RX-
TX+
TX-
TX+
TX-
RX+
RX-
MDI-X port
Business Policy Switch 2000 End station
Straight-through cable MDI port
T
R
T
R
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
BS45056A
BayStack 420