Siemens C45 - I;O-Connector

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C45, M50 AND MT50 Company Confidential © Copyright Siemens AG 05/02
9.3 I/O-Connector
Pin
Name IN/OUT Notes
1 GND
2 SB O Control line for external power supply
3 POWER I Power input from external power supply
4 FBatt+ O Voltage for external accessories.
5 TX O Serial interface
6 RX I Serial interface
7 ZUB_CLK I/O Clock line for accessory bus
Use as DTC In data operation
8 ZUB_DATA I/O Data line for accessory bus.
Use as CTS in data operation
9 GND_MIC For external microphone
10 MICP2 I External microphone
11 EPP2 O For external loudspeaker
12 EPN2 O For external loudspeaker