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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
HP (Hewlett-Packard) 335167-003 Laptop User Manual