HP Laptop Docking Station Maintenance And Service Manual page 60

Connector Pin Assignments
Pin Signal
1 Unused
2 Tip
3 Ring
Pin Signal
1 Transmit +
2 Transmit –
3 Receive +
4 Unused
B–6
Table B-6
RJ-11 (Modem) Jack
Pin
4
5
6
Table B-7
RJ-45 (Network) Jack
Pin
5
6
7
8
Signal
Unused
Unused
Unused
Signal
Unused
Receive –
Unused
Unused
Maintenance and Service Guide