3
LZ T 123 7 605 P1C
Contents
Overview ................................................................................................................... 5
1.
Introduction .............................................................................................................. 6
Target Users ................................................................................................................ 6
Prerequisites................................................................................................................ 6
Manual Structure......................................................................................................... 6
2.
GT47/GT48 Control Terminals................................................................................ 7
Description.................................................................................................................. 7
Highlights .................................................................................................................. 7
Control Terminals in a Communication System........................................................... 8
Main Features and Services ....................................................................................... 10
Service and Support ................................................................................................... 15
Precautions................................................................................................................ 15
3.
Abbreviations and Definitions............................................................................... 16
Integrating the Control Terminal ........................................................................... 18
4.
Mechanical Description .......................................................................................... 19
Overview ................................................................................................................... 19
Physical Dimensions.................................................................................................. 21
5.
Electrical Description ............................................................................................. 22
Power Supply and Extended I/O Connector ............................................................... 22
RS232 Serial and Extended I/O Interface ................................................................... 25
Audio Connector ....................................................................................................... 31
Antenna Connector.................................................................................................... 33
SIM Card Reader ....................................................................................................... 34
Real Time Clock........................................................................................................ 35
Software Updates....................................................................................................... 35
6.
Embedded Applications ......................................................................................... 36
Features ..................................................................................................................... 36
Implementation......................................................................................................... 36
7.
TCP/IP Stack........................................................................................................... 38
Implementation......................................................................................................... 38
8.
Operation................................................................................................................. 39
Switching On the Control Terminal .......................................................................... 39
Switching Off the Control Terminal .......................................................................... 39