
Table of Contents
1
General description..................................................................................5
1.1 Introduce.....................................................................................................................5
1.2 Features.......................................................................................................................5
1.3 External connections..................................................................................................6
1.4 Package content..........................................................................................................7
2
Functional description...........................................................................
8
2.1 Architecture ...............................................................................................................8
2.2 RS232 serial link........................................................................................................8
3
Characteristics........................................................................................
10
3.1 Basic services.............................................................................................................10
3.2 Physical characteristics............................................................................................11
3.3 Electrical characteristics..........................................................................................11
3.4 Environmental characteristics ................................................................................12
4
Using the modem ...................................................................................
13
4.1 Getting started with the modem..............................................................................13
4.2 Operational status of the modem............................................................................14
4.3 Verifying the received signal strength.....................................................................14
4.4 Verifying the network registration of the modem..................................................14
5
AT commands for the modem...............................................................
15
6
Troubleshooting.....................................................................................
16
6.1 No connection with the modem through the serial link........................................ 16
6.2 Receiving “ERROR” message.................................................................................17
6.3 Receiving “No carrier” message..............................................................................19
7
Safety recommendations.......................................................................21
7.1 General Safety...........................................................................................................21
7.2 Vehicle Safety............................................................................................................22
7.3 Care And Maintenance ............................................................................................22
7.4 Your Responsibility ..................................................................................................23
8
Proper Usage..........................................................................................
24
8.1 Use accessories in the original packaging...............................................................24