Telit Wireless Solutions GE863-PY, GE863-QUAD manual Contents

				GE863-QUAD
				GE863-PY
				1vv0300715 Rev. 1 - 19/09/06
Contents
1	Overview			6
2	GE863 module connections			7
	2.1	PIN-OUT		7
	2.2	PINS LAYOUT		10
3	Hardware Commands			11
	3.1	Turning ON the GE863-QUAD/PY		11
	3.2	Turning OFF the GE863-QUAD/PY		12
	3.2.1		Hardware shutdown	13
	3.3	Hardware Unconditional Reboot		13
4	Power Supply			15
	4.1	Power Supply Requirements		15
	4.2	General Design Rules		16
	4.2.1		Electrical design Guidelines	16
		4.2.1.1 + 5V input Source Power Supply Design Guidelines		16
		4.2.1.2 + 12V input Source Power Supply Design Guidelines		17
		4.2.1.3 Battery Source Power Supply Design Guidelines		18
		4.2.1.4 Battery Charge control Circuitry Design Guidelines		19
	4.2.2		Thermal Design Guidelines	20
	4.2.3		Power Supply PCB layout Guidelines	21
5	Antenna			22
	5.1	GSM Antenna Requirements		22
	5.2	GSM Antenna - PCB line Guidelines		23
	5.3	GSM Antenna - installation Guidelines		23
6	Serial Ports			23
	6.1	MODEM SERIAL PORT		24
	6.2	MODEM SERIAL PORT 2 (Python Debug)		26
	6.3	RS232 level translation		26
	6.4	5V UART level translation		28
7	Audio Section Overview			30
	7.1	Microphone Paths Characteristic and Requirements		32
	7.2	General Design Rules		35
	7.3	Other considerations		35

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