Table of Content

Part 1: Overview..................................................................................................................................

12

1.

Introduction ...............................................................................................................................

13

 

1.1

Target Users.......................................................................................................................

13

 

1.2

Prerequisites ......................................................................................................................

13

 

1.3

Manual Structure..............................................................................................................

13

2.

TT4031 (SE-GM29) Modem .................................................................................................

15

 

2.1

Description..........................................................................................................................

15

 

2.2

Highlights............................................................................................................................

15

 

2.3

TT4031 (SE-GM29) in a Communication System

................................................ 16

 

2.4

Main Features and Services.........................................................................................

18

 

2.5

Service and Support .......................................................................................................

22

3.

Abbreviations.............................................................................................................................

23

Part 2: Integrating the Modem.......................................................................................................

25

1.

Mechanical Description ..........................................................................................................

26

 

1.1

Overview .............................................................................................................................

26

 

1.2

Physical Dimensions........................................................................................................

28

2.

Electrical Description ..............................................................................................................

29

 

2.1

Power Connector..............................................................................................................

29

 

2.2

Audio Connector...............................................................................................................

30

 

2.3

Antenna Connector..........................................................................................................

32

 

2.4

SIM Card Reader..............................................................................................................

33

 

2.5

RS232 Serial Port.............................................................................................................

34

 

2.6

Real Time Clock................................................................................................................

36

 

2.7

Software Updates.............................................................................................................

36

3.

Operation ....................................................................................................................................

37

 

3.1

Switching On the Modem..............................................................................................

37

 

3.2

Switching Off the Modem..............................................................................................

37

 

3.3

Resetting the Modem .....................................................................................................

37

 

3.4

Operating States/LED.....................................................................................................

38

4.

Safety and Product Care.......................................................................................................

39

 

4.1

Safety Instructions..........................................................................................................

39

 

4.2

General Precautions........................................................................................................

39

 

4.3

SIM Card Precautions.....................................................................................................

40

 

4.4

Antenna Precautions.......................................................................................................

40

5.

Installation of the Modem.....................................................................................................

42

 

5.1

Where to Install the Modem ........................................................................................

42

 

5.2

How to Install the Modem ............................................................................................

43

 

5.3

OEM Labeling.....................................................................................................................

44

 

5.4

Antenna ...............................................................................................................................

44

 

5.5

Attachments.......................................................................................................................

47

6.

Technical Data...........................................................................................................................

48

7.

FCC Certificate ..........................................................................................................................

53

Part 3: Using AT Commands...........................................................................................................

54

1.

Introduction to AT Commands............................................................................................

55

 

1.1

Overview .............................................................................................................................

55

 

1.2

Syntax Description ..........................................................................................................

55

Owner’s Manual

Rev 1.0

Page 7 of 7