APPENDIX A NETWORKING CONNECTION

A.1 Switch‘s RJ-45 Pin Assignments

1000Mbps, 1000Base T

RJ-45 Connector pin assignment

 

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-

 

 

 

 

 

 

 

10/100Mbps, 10/100Base-TX

 

 

 

 

 

 

 

 

 

 

RJ-45 Connector pin assignment

 

 

 

 

MDI

MDI-X

 

 

Contact

 

Media Dependant In-

Media Dependant

 

 

 

 

terface

Interface -Cross

 

 

 

 

 

 

 

 

1

 

Tx + (transmit)

Rx + (receive)

 

 

 

 

 

 

 

 

2

 

Tx - (transmit)

Rx - (receive)

 

 

 

 

 

 

 

 

3

 

Rx + (receive)

Tx + (transmit)

 

 

 

 

 

 

 

 

4, 5

 

Not used

 

 

 

 

 

 

 

 

6

 

Rx - (receive)

Tx - (transmit)

 

 

 

 

 

 

 

 

7, 8

 

Not used

 

 

 

 

 

 

 

A.2 RJ-45 cable pin assignment

6 3216 321

6 3 2 1

The standard RJ-45 receptacle/connector

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