
  | Table of Contents  | 
Contents | 
  | 
Chapter 1 - Introduction  | 4  | 
Product Description  | 4  | 
Chapter 2 - Hardware Installation  | 5  | 
Ship Kit Contents  | 5  | 
You Supply  | 5  | 
Safety Warnings  | 5  | 
Technical Specifications  | 6  | 
Overview – Connecting the Modem to Your System  | 8  | 
Voice Connections (Voice option only)  | 10  | 
Installing the Modem Driver  | 11  | 
Connecting to the Internet  | 12  | 
12  | |
Chapter 3 - Operation  | 13  | 
About the LED Indicators  | 13  | 
Configuring Your Software  | 14  | 
Configuring Your Modem  | 14  | 
Chapter 4 - AT Commands  | 15  | 
See Commands Reference Guides  | 15  | 
Chapter 5 - Troubleshooting  | 16  | 
None of the Indicators Light Up  | 16  | 
The Modem Does Not Respond to Commands  | 17  | 
The Modem Dials But Cannot Connect  | 18  | 
The Modem Disconnects While Online  | 19  | 
The Modem Cannot Connect When Answering  | 19  | 
There Are Garbage Characters on the Monitor  | 19  | 
The Modem Doesn’t Work with Caller ID  | 19  | 
Appendix A – Regulatory Compliance  | 20  | 
Appendix B – Installing a Modem in Linux  | 22  | 
Appendix C – Upgrading the Modem  | 23  | 
Upgrade Overview  | 23  | 
Step 1: Identify the Modem Firmware  | 23  | 
Step 2: Identify the Current Firmware Version  | 23  | 
Step 3: Download the Upgrade File  | 24  | 
Step 4: Extract the Upgrade Files  | 24  | 
Step 5: Upgrade the Modem’s Firmware  | 24  | 
Step 6: Restore Your Parameters  | 24  | 
Appendix D – Waste Electrical and Electronic Equipment Directive (WEEE)  | 25  | 
Appendix E – RoHS  | 26  | 
Restriction of the Use of Hazardous Substances (RoHS)  | 26  | 
Index  | 28  | 
3  |