User's Manual
LZT 123 1834 7
5.17 ANALOGUE TO DIGITAL CONVERTERS (ADIN1, ADIN2, ADIN3, ADIN4) ...................69
5.18 I
2
C SERIAL CONTROL BUS .....................................................................................71
5.19 BURST TRANSMISSION (TX_ON)............................................................................. 72
5.20 REAL TIME CLOCK ................................................................................................72
5.20.1 REAL TIME CLOCK BACKUP SUPPLY (VRTC).........................................................73
5.20.2 RTC ALARM (ALARM)......................................................................................... 74
5.20.2.1 ALARM OUTPUT FROM THE MODULE.............................................................. 74
5.20.3 ALARM UTILIZATION AS A WAKE-UP.................................................................. 75
6 Antenna Connector ............................................................................... 76
7 Hints for Integrating the Wireless Modem ............................................. 78
7.1 SAFETY ADVICE AND PRECAUTIONS ......................................................................... 78
7.1.1 GENERAL .......................................................................................................... 78
7.2 SIM CARD ................................................................................................................ 79
7.3 ANTENNA ................................................................................................................ 79
7.4 INSTALLATION OF THE WIRELESS MODEM.................................................................80
7.4.1 WHERE TO INSTALL THE WIRELESS MODEM ........................................................80
7.4.1.1 ENVIRONMENTAL CONDITIONS...................................................................... 80
7.4.1.2 SIGNAL STRENGTH ........................................................................................81
7.4.1.3 CONNECTION OF COMPONENTS TO WIRELESS MODEM...................................81
7.4.1.4 NETWORK AND SUBSCRIPTION.......................................................................81
7.4.2 HOW TO INSTALL THE WIRELESS MODEM ........................................................... 82
7.4.2.1 POWER SUPPLY ..............................................................................................82
7.4.2.2 GROUNDS......................................................................................................82
7.4.2.3 AUDIO........................................................................................................... 82
7.4.2.4 SOFTWARE UPGRADE .....................................................................................82
7.5 ANTENNA ................................................................................................................ 83
7.5.1 GENERAL .......................................................................................................... 83
7.5.2 ANTENNA TYPE................................................................................................. 83
7.5.3 ANTENNA PLACEMENT ......................................................................................84
7.5.4 THE ANTENNA CABLE........................................................................................84
7.5.5 POSSIBLE COMMUNICATION DISTURBANCES ...................................................... 84
8 Embedded Applications ........................................................................ 86