Connector pin assignments

RJ-11 (modem)

Pin

Signal

 

 

1

Unused

 

 

2

Tip

 

 

3

Ring

 

 

4

Unused

 

 

5

Unused

 

 

6

Unused

 

 

7

Unused

 

 

8

Unused

 

 

9–4

Maintenance and Service Guide

Page 143
Image 143
HP 4311S manual RJ-11 modem