Siemens TC65 Manual do Utilizador descarregar pdf (Página 13)

TC65Smart

User Manual

Rev. 2-1.0 13

2.3. Connector RJ-11 for Headset Connection.

It is designed for connection of the phone receiver or a headset which can be used for voice

calls. The signals are not isolated from the common wire of the GSM module and the

Terminal housing.

4.MIC+

3.SPK+

1.MIC-

2.SPK-

Fig. 2.4

The headset is connected to the first analog channel TC65 (enabled on default). The

differential connection method is used. The microphone is powered through the line

MIC+.

Table 2.3

Contact Signal Purpose

1 MIC- Microphone input inverted

2 SPK- Phones output inverted

3 SPK+ Phones output not inverted

4 MIC+ Microphone input and microphone

powering not inverted (DC)

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 25 26

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Siemens TC65 Manual do Utilizador Página 13