User Guide

Table of Contents
Multi-Tech Systems, Inc. MultiModem CDMA Wireless Modem User Guide 3
Contents
Chapter 1 – Product Description and Specifications................................................................................................4
Product Description.................................................................................................................................................4
Features..................................................................................................................................................................4
Application Overview...............................................................................................................................................5
Application Types.............................................................................................................................................5
Benefits/Features in Applications............................................................................................................................6
Safety......................................................................................................................................................................7
General Safety.................................................................................................................................................7
RF Interference Issues.....................................................................................................................................7
Safety Instructions for Hazardous Locations....................................................................................................7
Vehicle Safety..................................................................................................................................................7
Maintenance of Your Modem...........................................................................................................................8
Your Responsibility ..........................................................................................................................................8
Package Contents............................................................................................................................................8
Specifications..........................................................................................................................................................9
Functions – CDMA Modes ......................................................................................................................................9
Electrical Characteristics.........................................................................................................................................9
Antenna/RF Specifications....................................................................................................................................10
Interfaces ..............................................................................................................................................................10
LEDs .....................................................................................................................................................................10
RS232 15-Pin Connector Pinout ...........................................................................................................................11
AT Command Information.....................................................................................................................................11
Chapter 2 – Activation and Installation ....................................................................................................................12
Step 1 – Activate Your Wireless Account..............................................................................................................12
Step 2 – Hook up the Antenna, Serial Cable, and Power......................................................................................12
Step 3 – Optional – Attach the Modem to a Flat Surface ......................................................................................15
Step 4 – Install the Modem Driver.........................................................................................................................16
Chapter 3 – Using Your Wireless Modem ................................................................................................................17
Phone Numbers for the Wireless Modem .............................................................................................................17
Examples of Useful AT Commands ......................................................................................................................17
Verifying Signal Strength ...............................................................................................................................17
Checking Network Registration and Roaming Status.....................................................................................17
Checking the Modem’s Identity......................................................................................................................17
Establishing a Voice Call ...............................................................................................................................18
Establishing a Circuit-Switched Data (CSD) Connection ...............................................................................18
Answering a Circuit-Switched Data (CSD) Connection..................................................................................18
Using Short Message Services (SMS)..................................................................................................................19
SMS Examples ..............................................................................................................................................20
Internet Access .....................................................................................................................................................21
Connecting to the CDMA Network for Internet Access ..................................................................................21
Mobile PhoneTools ...............................................................................................................................................23
Chapter 4 – Troubleshooting and Frequently Asked Questions............................................................................24
Troubleshooting Examples....................................................................................................................................24
Situation A: The modem does not respond through the serial link.................................................................24
Frequently Asked Questions.................................................................................................................................25
Chapter 6 – Reference Information...........................................................................................................................27
Wireless Modem Reference Information...............................................................................................................27
General..........................................................................................................................................................27
Data Cable Diagram – No Voice....................................................................................................................27
Data Cable Diagram – with Voice ..................................................................................................................28
Fused DC Power Cable Dimensions..............................................................................................................28
How to Change the Fuse ...............................................................................................................................28
Appendix A – Warranty and Repairs ........................................................................................................................29
Appendix B - Waste Electrical and Electronic Equipment (WEEE) Statement .....................................................31