Table Of Contents - Huawei ME909u-523 Application Manual

HUAWEI ME909u-523 LTE LGA Module
Application Guide
1 Overview ......................................................................................................................................... 9
1.1 Conventions and Definitions ............................................................................................................ 9
1.1.1 Conventions ............................................................................................................................. 9
1.1.2 Definitions ................................................................................................................................ 9
1.2 Basic AT Command Processing Principles .................................................................................... 10
1.2.1 Ports ...................................................................................................................................... 10
1.2.2 AT Command Processing Mechanism................................................................................... 10
1.2.3 Recommended Timeout Mechanism for AT Commands Processed by a Host..................... 13
2 Initialization Application Scenarios ....................................................................................... 15
2.1 Startup Indication ^SYSSTART ...................................................................................................... 15
2.1.1 Reference Process ................................................................................................................ 15
2.1.2 Troubleshooting ..................................................................................................................... 15
2.2 Querying Basic Information ............................................................................................................ 16
2.2.1 Reference Process ................................................................................................................ 16
2.2.2 Troubleshooting ..................................................................................................................... 16
2.3 Network Service Operations .......................................................................................................... 17
2.3.1 Reference Process ................................................................................................................ 17
2.3.2 Troubleshooting ..................................................................................................................... 18
3 Network Searching and Registration Application Scenarios............................................. 19
3.1 Searching and Registering Network............................................................................................... 19
3.1.1 Reference Process ................................................................................................................ 19
3.1.2 Troubleshooting ..................................................................................................................... 21
4 ECM Application Scenarios ...................................................................................................... 22
4.1 ECM Dialing ................................................................................................................................... 22
4.1.1 Reference Process ................................................................................................................ 22
4.1.2 Troubleshooting ..................................................................................................................... 23
4.2 Querying the Dial-up Connection State .......................................................................................... 23
4.2.1 Reference Process ................................................................................................................ 23
4.2.2 Troubleshooting ..................................................................................................................... 24
4.3 Disconnecting the Dial-up Connection ........................................................................................... 24
4.3.1 Reference Process ................................................................................................................ 24
4.3.2 Troubleshooting ..................................................................................................................... 24
Issue 04 (2014-12-08)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Contents
Contents
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