APPENDIX A NETWORKING CONNECTION

A.1 Switch‘s RJ-45 Pin Assignments 10/100Base-TX

 

Contact
MDI

 

MDI-X

 

1

1 (TX +)

3

 

 

 

 

 

 

 

 

2

2 (TX -)

6

 

 

 

 

 

 

 

 

3

3 (RX +)

1

 

 

 

 

 

 

 

 

6

6 (RX -)

2

 

 

 

 

 

 

 

 

4, 5, 7, 8

Not used

 

Not used

 

 

 

 

 

 

A.2 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-

 

 

 

 

 

 

 

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.

A.3 RJ-45 cable pin assignment

6 3216 321

6 3 2 1

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:

EM-GSW2416SFv1

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