Technical Manual
Table Of Contents
LZT 123 7607 R1B
Contents
1. Introduction .............................................................................................................. 4
1.1 Description ........................................................................................... 4
1.2 Highlights ........................................................................................... 4
1.3 Main Features and Services............................................................................... 5
1.4 Service and Support ......................................................................................... 9
1.5 Precautions ........................................................................................... 9
2. Mechanical Description.......................................................................................... 10
2.1 Overview ......................................................................................... 10
2.2 Physical Dimensions...................................................................................... 11
3. Electrical Description ............................................................................................. 12
3.1 Power Supply and Extended I/O Connector ................................................... 12
3.2 RS232 Serial and Extended I/O Interface ....................................................... 16
3.3 Audio Connector ......................................................................................... 22
3.4 Antenna Connector........................................................................................ 24
3.5 SIM Card Reader ......................................................................................... 25
3.6 Real Time Clock ......................................................................................... 25
3.7 Software Updates ......................................................................................... 26
4. Embedded Applications ......................................................................................... 27
4.1 Features ......................................................................................... 27
4.2 Implementation ......................................................................................... 27
5. TCP/IP Stack........................................................................................................... 29
5.1 Implementation ......................................................................................... 29
6. Operation................................................................................................................. 30
6.1 Switching the GT47 On ................................................................................ 30
6.2 Switching the GT47 Off................................................................................ 30
6.3 Operating States/LED.................................................................................... 30
6.4 Power Save ......................................................................................... 31
6.5 Controller Mode ......................................................................................... 31
7. Technical Data ........................................................................................................ 32
8. AT Command Summary......................................................................................... 36
9. Abbreviations and Definitions............................................................................... 42