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HUAWEI MC509 CDMA LGA Module
AT Command Interface Specification
Contents
Issue 01 (2011-08-26)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
4
Contents
1 Overall Description .................................................................................................................... 17
1.1 Content Description ........................................................................................................................ 17
1.2 Product Description ........................................................................................................................ 17
1.3 Instructions for Use ........................................................................................................................ 18
1.4 Overview of AT Command Interfaces ............................................................................................. 18
1.4.1 Description of AT Commands ................................................................................................ 18
1.4.2 Types of AT Commands......................................................................................................... 19
1.4.3 Abort Attributes of AT Commands .......................................................................................... 22
1.4.4 Rules for Running AT Commands ......................................................................................... 22
1.5 Organization of This Document ...................................................................................................... 23
2 Basic Configuration Commands .............................................................................................. 25
2.1 E–Echo Command ......................................................................................................................... 25
2.1.1 Syntax .................................................................................................................................... 25
2.1.2 Interface Description .............................................................................................................. 25
2.1.3 Parameter Description ........................................................................................................... 25
2.2 S3–Command Line Termination Character .................................................................................... 26
2.2.1 Syntax .................................................................................................................................... 26
2.2.2 Interface Description .............................................................................................................. 26
2.2.3 Parameter Description ........................................................................................................... 26
2.3 S4–Response Format Character ................................................................................................... 26
2.3.1 Syntax .................................................................................................................................... 26
2.3.2 Interface Description .............................................................................................................. 27
2.3.3 Parameter Description ........................................................................................................... 27
2.4 S5–Backspace Character .............................................................................................................. 27
2.4.1 Syntax .................................................................................................................................... 27
2.4.2 Interface Description .............................................................................................................. 27
2.4.3 Parameter Description ........................................................................................................... 27
2.5 V–Command for Setting the Response Format ............................................................................. 28
2.5.1 Syntax .................................................................................................................................... 28
2.5.2 Interface Description .............................................................................................................. 28
2.5.3 Parameter Description ........................................................................................................... 29
2.6 Q–Command for Controlling Return of the Execution Result ........................................................ 29