Sierra Wireless AirCard 250U User Manual

AirCard 250U Modem
User Guide (Windows)
2131331
Rev 1.0

Sierra Wireless AirCard 250U Specifications

General

Manufacturer	Sierra Wireless
Model	AirCard 250U
Interface	USB 2.0
Antenna	Internal
Device Type	Modem
Category	Modem
Network Technology	UMTS
Operating System Compatibility	Windows, Mac OS
Bands	850/1900 MHz

Summary

Preface

Important Notice

Disclaimer about wireless communication reliability and potential data loss.

Safety and Hazards

Precautions for operating the modem in specific environments and near equipment.

Limitation of Liability

Statement outlining warranty terms and limitations of Sierra Wireless's responsibility.

Patents

Copyright

Trademarks

Contact Information

Revision History

1: Introducing the AirCard 250U modem

Welcome

Introduction to the Sierra Wireless AirCard 250U modem and its capabilities.

Feature summary

Overview of the modem's design and features using CDMA and WiMAX technologies.

Package contents

List of items included in the AirCard 250U modem package.

System components

Description of the modem as part of a larger communication system.

Care and maintenance of your modem

Guidelines for handling and storing the modem to ensure reliable operation.

Wireless modem

TRU-Install

TRU-Locate

CDMA 3G services

Watcher auto-update

Additional features of the modem

Your host computing device

The USB modem

The modem drivers and enabling software

CDMA service provider account

The CDMA wireless network

Care and maintenance of your modem

2: Getting Started

The AirCard 250U software

Overview of the Watcher application and driver software for modem management.

Account activation and configuration

Steps to activate and configure the modem with a CDMA or WiMAX service provider account.

3: Installation

System requirements

Specifications for operating systems and hardware needed for modem installation.

Installing the modem and software

Step-by-step instructions for installing the modem drivers and Watcher software.

Removing the modem

Procedure for safely disconnecting and removing the modem from the computer.

4: Activation

Account configuration procedures

Process for configuring the modem with service provider account details.

Activation Wizard

Guide to using the wizard for automated or manual activation of the modem.

5: Watcher Basics

Starting and closing Watcher

Instructions on how to launch, minimize, and close the Watcher application.

Components of the Watcher Window

Description of the main elements and controls within the Watcher application window.

Window controls

Explanation of how to manage the Watcher window using minimize, toggle, and close buttons.

Interpreting icons

Guide to understanding the meaning of various icons used in the Watcher interface.

GPS Monitor window

Details on accessing and interpreting GPS data displayed in the Watcher application.

Online Help

Information on accessing built-in help resources for Watcher and GPS Monitor.

Warranty

Information on how to access the modem's warranty documentation.

Troubleshooting

Guidance for resolving common issues and error messages with the modem.

Minimized icons

GPS Monitor window

6: Technical Specifications

LED operation

Description of the modem's LED lights and their operational states.

Radio frequency and electrical specifications

Technical data including approvals, voltage, current, power, and frequency bands.

Environmental specifications

Information on operating temperature, humidity, vibration, and drop test specifications.

7: Regulatory Information

Important safety/compliance information

FCC compliance details and safety precautions related to RF exposure for the modem.

Glossary

Index