Siemens TC35i User Manual download pdf (Page 14)

TC35i Terminal Hardware Interface Description

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TC35i_T_HD_v01.05 Page 14/37 10.07.2003

3.2 Block diagram of a GSM application

Figure 1 shows a block diagram of a sample configuration that incorporates a TC35i Terminal

and typical accessories.

Host

controller

Power

supply

RF interface

RS-232

interface

Power supply

on/off

Audio interface

Handset

Antenna

Terminal-

circuit

FFC

Module interface

GSM Engine TC35i

GSM Terminal TC35i T

LED

Customer

application

Air reference point

(ARP)

Data

sink/

source

Fuse

IGT_IN

PD_IN

Figure 1: Block diagram of a TC35i Terminal application (example)

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Siemens TC35i User Manual Page 14