User's Manual

GE865 Hardware User Guide
1vv0300799 Rev.11 – 13-07-2010
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Contents
APPLICABILITY TABLE ....................................................................................................................................................... 2
1 INTRODUCTION ...................................................................................................................................................... 6
1.1 SCOPE .............................................................................................................................................................................. 6
1.2 AUDIENCE ......................................................................................................................................................................... 6
1.3 CONTACT INFORMATION, SUPPORT .................................................................................................................................... 6
1.4 DOCUMENT ORGANIZATION ................................................................................................................................................ 7
1.5 TEXT CONVENTIONS........................................................................................................................................................... 8
1.6 RELATED DOCUMENTS ...................................................................................................................................................... 8
1.7 DOCUMENT HISTORY ......................................................................................................................................................... 9
2 OVERVIEW ............................................................................................................................................................. 10
3 GE865 MECHANICAL DIMENSIONS .................................................................................................................. 12
4 GE865 MODULE CONNECTIONS ........................................................................................................................ 13
4.1 PIN-OUT ....................................................................................................................................................................... 13
4.1.1 BGA Balls Layout ................................................................................................................................................. 16
5 HARDWARE COMMANDS .................................................................................................................................... 17
5.1 TURNING ON THE GE865 ................................................................................................................................................ 17
5.2 TURNING OFF THE GE865 .............................................................................................................................................. 22
5.3 RESETTING THE GE865 ................................................................................................................................................... 25
5.3.1 Hardware Unconditional restart ....................................................................................................................... 25
6 POWER SUPPLY ................................................................................................................................................... 28
6.1 POWER SUPPLY REQUIREMENTS ...................................................................................................................................... 28
6.2 POWER CONSUMPTION .................................................................................................................................................... 29
6.3 GENERAL DESIGN RULES ................................................................................................................................................ 30
6.3.1 Electrical Design Guidelines .............................................................................................................................. 30
6.3.2 Thermal Design Guidelines ............................................................................................................................... 34
6.3.3 Power Supply PCB layout Guidelines ............................................................................................................... 36
7 ANTENNA .............................................................................................................................................................. 37
7.1 GSM ANTENNA REQUIREMENTS ...................................................................................................................................... 37
7.2 GSM ANTENNA - PCB LINE GUIDELINES ......................................................................................................................... 38
7.3 GSM ANTENNA - INSTALLATION GUIDELINES ................................................................................................................... 39
8 LOGIC LEVEL SPECIFICATIONS ......................................................................................................................... 40
8.1 RESET SIGNAL ................................................................................................................................................................. 41
9 SERIAL PORTS ..................................................................................................................................................... 42
9.1 MODEM SERIAL PORT ................................................................................................................................................ 42