Huawei ME909u-521 manual Contents, Initialization Application Scenarios, ECM Application Scenarios

HUAWEI ME909u-521 LTE LGA Module
Application Guide	Contents

Contents

1 Overview				7
1.1	Conventions and Definitions		............................................................................................................	7
	1.1.1 Conventions			7
	1.1.2 Definitions			7
1.2	Organization of This Document			8
1.3	Basic AT Command Processing Principles			9
	1.3.1 Ports			9
	1.3.2 AT Command Processing Mechanism			9
	1.3.3 Recommended Timeout Mechanism for AT Commands Processed by a Host			12
2 Initialization Application Scenarios				14
2.1	Startup Indication ^SYSSTART			14
	2.1.1 Reference Process			14
	2.1.2 Troubleshooting			14
2.2	Querying Basic Information			15
	2.2.1 Reference Process			15
	2.2.2 Troubleshooting			15
2.3	Network Service Operations		..........................................................................................................	16
	2.3.1 Reference Process			16
	2.3.2 Troubleshooting			17
3 Network Searching and Registration Application Scenarios				18
3.1	Searching and Registering Network			18
	3.1.1 Reference Process			18
	3.1.2 Troubleshooting			20
4 ECM Application Scenarios		......................................................................................................		21
4.1	ECM Dialing			21
	4.1.1 Reference Process			21
	4.1.2 Troubleshooting			22
4.2	Querying the Dial-up Connection State			22
	4.2.1 Reference Process			22
	4.2.2 Troubleshooting			23
4.3	Disconnecting the Dial-up Connection			23
	4.3.1 Reference Process			23
			Huawei Proprietary and Confidential
Issue 01 (2013-07-05)				4
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