Manuale UtenteSommarioTable of Contents6List of Figures10List of Tables12Preface14Manual Scope14Target Audience14Manual Organization14Applicable Documents14Regulatory Requirements15Regulatory Statement (Safety)15Antenna and Transmission Safety Precautions15Standards16Contact Us17Text Conventions17Field Service18General Safety18Caring for the Environment19Limitation of Liability20Warranty Notification20How to Get Warranty Service?21Claiming21Conditions22What is Not Covered by the Warranty22Installed Data23Out of Warranty Repairs23Revision History24Chapter 1: Introduction26Product Specifications27Regulatory Approvals30Chapter 2: Hardware Interface Description32Architecture Overview32Digital Block33Analog Block33GSM Transceiver Block33Operating Modes34Power Supply35Power Supply Design35Power Consumption36Power On/Off Operation39Turning the G24 On39Power Supply Turn-on39Turning the G24 On Using ON_N40Turning the G24 On Using IGN41Turning the G24 Off41Turning the G24 Off Using ON_N41Turning the G24 Off Using IGN42Power Loss shut down43Turning the G24 Off Using AT+MRST43Low Power Mode44Activating Low Power Mode44Serial Interface During Low Power Mode45Terminating Low Power Mode45Temporary Termination of Low Power Mode46Permanent termination of Low Power Mode47Real Time Clock48Serial Interfaces49Primary UART (UART1)49Secondary UART (UART2)50USB Interface50SIM Interface51SIM Connection51SIM Design Guidelines52Audio Interface53Handset Microphone Port53Headset Microphone Port54Speaker Port55Headset Detection57Alert Loudspeaker Port58Digital Audio Interface59Voiceband Audio60Stereo Audio61Operating Modes61Basic Mode61Advanced Mode62Audio Programming Interface63Audio Algorithms63Gain Control64Audio Design65Analog Ground66A/D Interface67Power Supply A/D67Temperature A/D67General Purpose A/D68Controls and Indicators Interface69Reset69VREF Reference Regulator69Standby Mode70Active Mode70Wake-Up Out71Antenna Detection72GPRS Detection72Transmission Indicator72General Purpose I/O72Antenna Interface73Chapter 3: Electrical and Environmental Specifications74Absolute Maximum Ratings74Environmental Specifications75Application Interface Specifications75Chapter 4: Mechanical Specifications82Board Dimensions82Interface Connector Specifications83Mating Connectors84RF Connector Specifications85Mating Connector85G24 Mounting87Chapter 5: Service and Testing88Service88Who to Contact?88Required Query Information88Motorola Workflow89Service Centers90Testing a Standalone Unit91Test Setup91Test Procedure93Acronyms and Abbreviations94A94B94C94D94E94F94G95H95I95L95M95O95P95R95S96T96U97V97Index98A98B98E98G98O98P98R98S98T98U98Dimensioni: 1,22 MBPagine: 101Language: EnglishApri il manuale