Standard Horizon GM29 manual Contents

Contents

Part 1: Overview				11
1.	Introduction			13
	1.1	Target Users		13
	1.2	Prerequisites		13
	1.3	Manual Structure		13
2.	GM29 Modem		.........................................................................................................	14
	2.1	Description		14
	2.2	Highlights		14
	2.3	GM29 in a Communication System		15
	2.4	Main Features and Services		17
		2.4.1	Types of Mobile Station	17
		2.4.2	Short Message Service	17
		2.4.3	Voice Calls	18
		2.4.4	Data	18
		2.4.5	Fax	18
		2.4.6	Supplementary Services	18
		2.4.7	Serial Communication	19
		2.4.8	Interfacing with the GM29	19
	2.5	Service and Support		20
	2.6	Precautions		20
3.	Abbreviations		.........................................................................................................	21

Part 2: Integrating the Modem			23
1.	Mechanical Description		25
	1.1	Overview	25
	1.2	Physical Dimensions	27
2.	Electrical Description		28
	2.1	Power Connector	28
	2.2	Audio Connector	29
	2.3	Antenna Connector	31
	2.4	SIM Card Reader	32
	2.5	RS232 Serial Port	33
		2.5.1 Serial Data	34
		2.5.2 Serial Data Signals - RD, TD	34
		2.5.3 Control Signals - RTS, CTS, DTR, DSR, DCD, RI	34
	2.6	Real Time Clock	35
	2.7	Software Updates	35
3.	Operation		36
			3

LZT 123 7361 R1A