External Audio Connector

The accessibility to the external audio interface is reached by the system connector, containing a 4-pole Jack plug. The Jack plug which is integrated in the system connector contains a mechanical switch which is used to detect the connection of the accessories.

The configuration for the 4-pole Jack-plug is shown in the following figure.

XEARN XEARP

INT (HEADDET) XMICP XMICN

Figure 31: 4 Pole Jack plug for audio accessories

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