Ethernet RJ-45

Connector and Icon

Pin

Signal

 

 

 

 

1

(+) Transmit Data

 

2

(-) Transmit Data

 

3

(+) Receive Data

 

4

Unused

 

 

 

 

5

Unused

 

6

(-) Receive Data

 

7

Unused

 

8

Unused

 

 

 

Ethernet AUI

Connector and Icon

Pin

Signal

Pin

Signal

 

 

 

 

1

Ground

9

Positive AUI Differential Receive

2

Negative AUI Differential Collision

10

+12V

3

Positive AUI Differential Collision

11

Ground

4

Negative AUI Differential Transmit

12

Ground

 

 

 

 

5

Positive AUI Differential Transmit

13

Unused

6

Ground

14

Unused

7

Ground

15

Unused

8

Negative AUI Differential Receive

16

Unused

 

 

 

 

70 Appendix A Connector Pin Assignments