Appendix A Connector Pin Assignments; Ethernet Bnc; Usb; Microphone - HP Pro 3330 Maintenance And Service Manual

A Connector Pin Assignments
This appendix contains the pin assignments for many computer and workstation connectors. Some of
these connectors may not be used on the product being serviced.

Ethernet BNC

Connector and Icon

USB

Connector and Icon

Microphone

Connector and Icon (1/8" miniphone)

Headphone

Connector and Icon (1/8" miniphone)
Pin Signal
1 Data
2 Ground
Pin Signal
1 +5 VDC
2 - Data
3 + Data
4 Ground
Pin Signal
1 (Tip) Audio_left
2 (Ring) Audio_Right
3 (Shield) Ground
Pin Signal
1 (Tip) Audio_left
2 (Ring) Power_Right
3 (Shield) Ground
Ethernet BNC 129