Personal Computer User Manual

A–2 Maintenance and Service Guide
Connector Pin Assignments
Table A-2
RJ-11 Modem
Pin Signal Pin Signal
1Unused 4Unused
2 Tip 5 Unused
3Ring 6Unused
Table A-3
Universal Serial Bus
Pin Signal Pin Signal
1 +5 VDC 3 Data +
2 Data - 4 Ground