USB
Connector and Icon | Pin | Signal |
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| 1 | +5 VDC |
| 2 | - Data |
| 3 | + Data |
| 4 | Ground |
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Microphone
Connector and Icon (1/8” miniphone) | Pin | Signal | |||||||
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1 | 2 | 3 | 1 | (Tip) | Audio_left | ||||
2 | (Ring) | Power_Right | |||||||
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| 3 | (Shield) | Audio_right | |
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Headphone
Connector and Icon (1/8” miniphone) | Pin | Signal | ||||
1 | 2 | 3 | 1 | (Tip) | Audio_left | |
2 | (Ring) | Power_Right | ||||
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| 3 | (Shield) | Ground | |
Connector and Icon (1/8” miniphone) | Pin | Signal | ||||
1 | 2 | 3 | 1 | (Tip) | Audio_In_Left | |
2 | (Ring) | Audio_In_Right | ||||
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| 3 | (Shield) | Ground | |
Connector and Icon (1/8” miniphone) | Pin | Signal | ||||
1 | 2 | 3 | 1 | (Tip) | Audio_Out_Left | |
2 | (Ring) | Audio_Out_Right | ||||
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| 3 | (Shield) | Ground | |
72 Appendix A Connector Pin Assignments