HP EliteBook 2540p HP 2540 Docking Station User Guide - Page 19

Universal Serial Bus, 5 VDC, Ground

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Universal Serial Bus Pin Signal 1 +5 VDC 2 Data - 3 Data + 4 Ground Universal Serial Bus 15

Section	Page
Identifying components	5
Top components	5
Right-side components	6
Rear components	7
Getting more information	7
Docking and undocking	8
Connecting to the AC adapter	8
Docking the computer	8
Undocking the computer	9
Using the docking station	11
Turning the computer on and off	11
Connecting an optional security cable	11
Troubleshooting	13
Docking and undocking problems and solutions	13
External device problems and solutions	14
Spare parts	15
Connector pin assignments	16
Audio-out (headphone)	16
Audio-in (microphone)	16
External monitor	17
RJ-11 (modem)	18
RJ-45 (network)	18
Universal Serial Bus	19
Power cord set requirements	20
Requirements for all countries and regions	20
Requirements for specific countries and regions	20

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Universal Serial Bus

Signal

+5 VDC

Data -

Data +

Ground

Universal Serial Bus