Siemens TC35 Manuel d'utilisateur télécharger pdf (Page 22)

Interface description

Purpose of the connectors/connections

Use and operation

A SIM card holder from Molex with a SIM_IN

contact is used. Only when the card holder

is inserted is the switched closed.

The card can only be replaced when the

GSM engine is in the POWER DOWN state.

Signal

name

PIN I/O Description of the

GSM module

connectors

Parameters

CCIN 24 I Input for detection

of the SIM card;

high active

=100kΩ to GND

iLmax

=0.4V

@I=0.1mA

iHmin

=1.95V

iHmax

=3.3V

CCRST 25 O Restart R

=220Ω

CCIO 26 I/O Date input/output Input: R

≥ 1MΩ

Output: R

=220Ω

CCCLK 27 O Clock R

=220Ω

CCVCC 28 O Supply voltage CCVCC

min

=2.84V

CCVCC

max

=2.96V

max

=50mA

CCGND 29 X

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 38 39

TC35Terminal 1
Safety information 3
Contents 4
Overview 6
Product description 7
Features 10
Installation 11
Interface description 13
Switching 28
Switching off / 29
Terminal 29
Operating states / LED 31
AT command control 34
SW update 35
Compatibility 36
Certification / maintenance 37
Wireless 39

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Siemens TC35 Manuel d'utilisateur Page 22

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