# Siemens C25/S25

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Pin | Name | Dir | Description
--- | --- | --- | ---
1 | GND | - | Ground
2 | SELF-SERVICE | in/out | Recognition/control battery charger
3 | LOAD | in | Charging voltage
4 | BATTERY | out | Battery (S25 only)
5 | DATA OUT | out | Data sent (S25 only)
6 | DATA IN | in | Data received (S25 only)
7 | Z_CLK | - | Recognition/control accessories
8 | Z_DATA | - | Recognition/control accessories
9 | MICG | - | Ground for microphone
10 | MIC | in | Microphone input
11 | AUD | out | Loudspeaker
12 | AUDG | - | Ground for external speaker

Contributor: Joakim Ögren

Source:
Siemens C25/S25 pinout at Technick.net

Copyright © The Hardware Book Team 1996-2001.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2001-06-08