Connector pinout: Siemens C25, S25, C23, M35, S35, A3x, SL45 Siemens C25, S25, C23, M35, S35, A3x, SL45 pinouts
pin | name | direction | description | color | 1 | Gnd | | Gnd | | 2 | Self Service | | Self Service | | 3 | Load | | Load | | 4 | Battery | | Battery | | 5 | Data Out | | Data Out | | 6 | Data In | | Data In | | 7 | Z CLK | | Z CLK | | 8 | Z Data | | Z Data | | 9 | Mic Gnd | | Mic Gnd | | 10 | Mic | | Mic | | 11 | Aud | | Aud | | 12 | Aud Gnd | | Aud Gnd | |
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