Sony Ericsson manual GTR-64 Wireless modems in a Communication System

GTR64 http://www.matrix.es/GTR64

1. INTRODUCTION			5
1.1	Description		5
1.2	Highlights		6
1.3	GTR-64 Wireless modems in a Communication System		.............................................................. 7
1.4	Main Features and Services		9
1.4.1 Types of Mobile Station			9
1.4.2 Short Message Service			9
1.4.3 Voice Calls			9
1.4.4 Data			10
1.4.5 GPRS Multi-Slot Support			10
1.4.6 SIM Card			10
1.4.7 Power Consumption			10
1.5	Precautions		10
2. MECHANICAL DESCRIPTION			11
2.1	Overview		11
2.2. Dimensions			12
3. ELECTRICAL DESCRIPTION			12
3. ELECTRICAL DESCRIPTION			13
3.1	Power Conector		13
3.2	Audio Conector		14
3.3	Mini USB Connector		15
3.4	Antenna Conector		16
3.5. SIM card reader			16
3.6	RS232 Serial Port		17
3.6.1 Serial Data			18
3.6.2 Serial Data Signals - RD, TD			18
3.6.3 Control Signals - RTS, CTS, DTR, DSR, DCD, RI			18
3.7	Expansion I/O port		19
3.7.1. SECONDARY SERIAL PORT			20
3.7.2. I2C Serial Control Bus			20
3.7.3. SPI Bus			21
3.7.4. General Purpose IO			21
3.7.5 Real Time Clock			22
3.8. Software Updates			22
4. OPERATION			23
4.1	Switching On the Modem		23
4.2	Switching Off the Modem		23
4.3	Resetting the Modem		23
4.4	Operating States/LED		23
5. EMBEDDED APPLICATIONS			24
5.1	Features		24
5.2	Implementation		24
5.2.1 Limitations			24
5.2.2 M2mpower IDE (Integrated Developers Environment)			25
6 SAFETY AND PRODUCT CARE			25
6.1. Safety instructions			25
6.2. General precautions			25
GTR64 Integrators Manual V.1.2		Pag. 3
Preliminary. Subject to change without prior notice