Siemens GSM Module M1 User Guide

Introduction

This document serves as the user guide for the Siemens GSM Module M1, a versatile GSM terminal designed for transmitting data, faxes, and SMS messages over GSM networks. It provides comprehensive instructions for installation, configuration, and operation.

Key Features

The Siemens GSM Module M1 offers robust capabilities including:

• Transparent data transmission at various speeds.
• Group 3, Class 2 fax transmission.
• Short Message Service (SMS) for both mobile originated and mobile terminated messages.

Interfaces and Connectivity

The module is equipped with essential interfaces for seamless integration:

• SIM card slot for network access.
• V.24 serial interface for data transmission and control.
• Manufacturer-specific hybrid connector for power supply, ignition, and external antenna.

Guide Contents

This guide covers critical aspects such as:

• Installation and startup procedures.
• Power supply and consumption details.
• Setting up and testing the COM interface.
• Registering in the GSM network and PIN entry.
• Establishing and clearing connections.
• Troubleshooting common issues.
• A detailed overview of AT commands for module configuration and control.

Refer to this guide for detailed technical specifications and operational guidance provided by Siemens.