HP Compaq Business Notebook nc8000 - Universal Serial Bus

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