HP EliteBook 8440p Notebook PC and HP EliteBook 8440w Mobile Workstation - Maintenance and Service Guide

8–4 Maintenance and Service Guide
Connector pin assignments
RJ-11 (modem)
RJ-45 (network)
Pin Signal
1 Unused
2 Tip
3 Ring
4 Unused
5 Unused
6 Unused
Pin Signal
1 Transmit +
2 Transmit
3 Receive +
4 Unused
5 Unused
6 Receive -
7 Unused
8 Unused