Huawei MC509 manual Organization of This Document, Chapter Description

HUAWEI MC509 CDMA LGA Module
AT Command Interface Specification	Overall Description

or to the end of a command. This rule is applicable to the communication between the MT and TE programs.

3.For an uninterruptible AT command, after sending the AT command, the TE must wait until the MT responds to the AT command before sending the second AT command.

4.A string used by the TE to send a command cannot contain the combination of quotation marks and commas (confusing a parameter with a string). The current version does not support escape character. The code value of a data format in the UCS2 encoding is reported as characters. For example, if the UCS2 code of a Chinese character is 0x553a, the 553a is reported.

A possible response sent by the MT to the TE consists of Information text and Result code, in which Information text is optional and Result code is mandatory. The format of a possible response is controlled by the ATV command. For details, see the description of the ATV Command. In this document, all possible responses listed in tables follow the ATV1 format.

1.5 Organization of This Document

This document consists of 15 chapters, covering the following contents:

Chapter	Description
Chapter 1 Overall Description	The contents and organization of this
	document and the basic knowledge of
	AT command interfaces.
Chapter 2 Basic Configuration	The AT commands used to configure
Commands	the basic data of the module.
Chapter 3 Identity Information Query	The AT commands used to query the
Commands	identity information.
Chapter 4 Security Control Commands	The AT commands used to control the
	security of the module.
Chapter 5 Serial Port Control Commands	The AT commands used to control the
	serial ports of the module.
Chapter 6 Network Service Interface	The AT commands related to the
Commands	network services of the module.
Chapter 7 Call Control Commands	The AT commands used to control the
	calls on the module.
Chapter 8 SMS Interface Commands	The AT commands related to the short
	messages of the module.
Chapter 9 Phonebook Interface	The AT commands related to the
Commands	phonebook interface of the module.
Chapter 10 Internet Service Interface	The AT commands related to the
Commands	internet services of the module.

Issue 01 (2011-08-26)	Huawei Proprietary and Confidential	23
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