User Manual

G610 GPRS Module Hardware User Manual Page 3 of 47
Contents
1 Preface ................................................................................................................................................ 6
1.1 Manual Scope .......................................................................................................................... 6
1.2 Target Audience ....................................................................................................................... 6
1.3 Applicable Documents ............................................................................................................. 6
1.4 Standards ................................................................................................................................. 6
1.5 Regulatory Approvals ............................................................................................................... 7
1.6 FCC Notice to Users ................................................................................................................ 7
2 Introduction .......................................................................................................................................... 8
2.1 Product concept ....................................................................................................................... 8
2.2 Product Specifications .............................................................................................................. 9
3 Hardware Interface Description .........................................................................................................11
3.1 Architecture Overview .............................................................................................................11
3.1.1 Digital Block ..................................................................................................................11
3.1.2 Analog Block ................................................................................................................11
3.1.3 GSM Transceiver Block ............................................................................................... 12
3.2 Operating Modes .................................................................................................................... 12
3.3 Power Supply ......................................................................................................................... 13
3.3.1 Power Supply Design .................................................................................................. 13
3.3.2 Power Consumption .................................................................................................... 15
3.4 Power On/Off Operation ......................................................................................................... 16
3.4.1 Turning the G610 On ................................................................................................... 16
3.4.2 Turning the G610 Off ................................................................................................... 17
3.4.3 Turning the G610 Off Using AT Command ................................................................. 18
3.5 Sleep Mode ............................................................................................................................ 18
3.5.1 Activating Sleep Mode ................................................................................................ 19
3.5.2 Serial Interface during Sleep Mode ............................................................................. 19
3.5.3 Terminating Sleep Mode ............................................................................................. 20
3.6 Real Time Clock ..................................................................................................................... 22
3.6.1 VBACKUP description ................................................................................................. 22
3.6.2 RTC Application ........................................................................................................... 23