Multitech MTCBA-G-F2 Manuel d'utilisateur télécharger pdf (Page 6)

Chapter 1 - Introduction

Multi-Tech Systems, Inc. AT Commands for Wireless Modems with IP Connectivity (S000333D) 6

Chapter 1 - Introduction

This document describes the AT parameters and command set available to configure and drive the TCP/IP stack and

protocols available on wireless GSM/GPRS products that support IP connectivity.

TCP/IP features and protocols available:

• PPP

• GPRS

• ICMP

• DNS

• SMTP

• POP3

• FTP

• TCP socket

Definitions and Abbreviations

APN – Access Point Name

<DLE> – Escape Character

DNS – Domain Name Server

<ETX> – Escape Character

FTP – File Transfer Protocol

GPRS – General Packet Radio Service

GSM – Global System for Mobile Communication

IP – Internet Protocol

ISP – Internet Service Provider

POP – Post Office Protocol

PPP – Point-to-Point Protocol

PSTN – Public Switched Telephone Network

SMTP – Simple Mail Transfer Protocol

Stack – Low-Level Software

TCP – Transmission Control Protocol

Presentation Rules

In the following chapters, the AT commands are presented with as much precision as possible, through three paragraphs.

Description – The Description paragraph provides general information about the AT command or response behavior.

Values - The Values paragraph provides the parameter values for the AT commands and their corresponding responses.

Syntax – The Syntax paragraph describes the way to use the command, the possible response, or answers.

Schemas are provided where necessary.

Open TCP/IP Stack

Command Responses

AT+WOPEN=1

Note: Start the TCP/IP stack

AT+WOPEN=0

The TCP/IP stack is not opened. In some instances, this may be the default setting.

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Multitech MTCBA-G-F2 Manuel d'utilisateur Page 6