Wavecom G1900 Manuel d'utilisateur télécharger pdf (Page 22)

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6.6.Electrical functions

6.6.1. Functional schematic

POWER SUPPLY REGULATION

Filtering

ΔV Protection

Main

regulation

Vcc modem

RS232 INTERFACE

ESD Protection

Filtering

RS232 interface

RS232 link

(WISMO module)

AUDIO INTERFACE : Head Set

Filtering

Micro Module

MICRO

SPEAKER

Speaker Module

Protection ESD

Protection ESD

Regulation

Vcc modem

Power supply

RS232 link

(application)

Filtering

AUDIO INTERFACE : Car Kit (in option)

Filtering

Micro Module

MICROPHONE

SPEAKER

ESD Protection

Speaker Module

Amplification

Filtering

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