Telit Wireless Solutions UC864 manual Contents

				UC864-E Hardware User Guide
Contents				1vv0300766a Rev.1 - 31/01/08
1	Overview			6
2	Mechanical Dimensions			7
3	UC864-E module connections			8
3.1		PIN-OUT		8
	3.1.1		UC864-E Antenna connector	11
4	Hardware Commands			12
4.1		Turning ON the UC864-E		12
4.2		Turning OFF the UC864-E		14
	4.2.1		Hardware shutdown	14
	4.2.2		Hardware Unconditional Restart	15
5	Power Supply			17
5.1		Power Supply Requirements		17
5.2		General Design Rules		19
	5.2.1		Electrical Design Guidelines	19
		5.2.1.1 + 5V input Source Power Supply Design Guidelines		19
		5.2.1.2 + 12V input Source Power Supply Design Guidelines		20
		5.2.1.3 Battery Source Power Supply Design Guidelines		22
		5.2.1.4 Battery Charge control Circuitry Design Guidelines		22
	5.2.2		Thermal Design Guidelines	24
	5.2.3		Power Supply PCB layout Guidelines	25
6	Antenna			26
6.1		Antenna Requirements		26
6.2		Antenna - Installation Guidelines		27
7	Logic level specifications			28
7.1		Reset signal		29
8	Serial Ports			30
8.1		MODEM SERIAL PORT		30
8.2		RS232 level translation		32
5V UART level translation				35
9	USB Port			37
9.1		Communication ports combinations		37
10	Audio Section Overview			38
10.1		Generality		38
10.2		Definitions		38

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