Connectors and Pin Assignments

MDI-X to MDI Cable Connections

BayStack 450 switches use MDI-X ports that allow you to connect directly to end stations without using crossover cables (Figure E-2).

BayStack 450 switch

 

1

8

 

 

1

RX+

T

2

RX-

 

 

3

TX+

 

4

 

R

5

 

 

 

 

6

TX-

 

7

 

 

8

 

MDI-X port

8

1

8

1

 

1

 

1

 

2

 

2

 

3

 

3

 

4

 

4

 

5

 

5

 

6

 

6

 

7

 

7

 

8

 

8

Straight-through cable

 

End station

 

1

8

 

TX+

1

T

 

 

TX-

2

 

RX+

3

 

 

4

R

 

 

 

5

 

RX-

6

 

 

7

 

 

8

 

MDI port

 

 

 

BS45056A

Figure E-2. MDI-X to MDI Cable Connections

302401-D Rev 00

E-3

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Image 273
Nortel Networks 450 manual Figure E-2. MDI-X to MDI Cable Connections