Filter
Top Products
Table of Contents
Multi-Tech Systems, Inc. MultiModem GPRS Wireless Modem User Guide 3
Contents
Chapter 1 – Product Description and Specifications................................................................................................4
Product Description.................................................................................................................................................4
Safety......................................................................................................................................................................4
General Safety.................................................................................................................................................4
RF Interference Issues.....................................................................................................................................4
Installation Instructions for Hazardous Locations.............................................................................................5
Vehicle Safety..................................................................................................................................................5
Maintenance of Your Modem...........................................................................................................................5
Your Responsibility ..........................................................................................................................................5
Package Contents............................................................................................................................................5
Specifications..........................................................................................................................................................6
Functions – GSM Modes.........................................................................................................................................6
Electrical Characteristics.........................................................................................................................................7
Antenna/RF Specifications......................................................................................................................................7
Interfaces ................................................................................................................................................................8
LEDs .......................................................................................................................................................................8
RS232 15-Pin Connector Pinout .............................................................................................................................8
AT Command Information.......................................................................................................................................8
Chapter 2 – Activation and Installation ......................................................................................................................9
Step 1 – Activate Your Wireless Account................................................................................................................9
Step 2 – Insert the SIM Card into the Holder ..........................................................................................................9
Step 3 – Hook up the Antenna, Serial Cable, and Power......................................................................................10
Step 4 – Optional – Attach the Modem to a Flat Surface ......................................................................................12
Step 5 – Install the Modem Driver.........................................................................................................................13
Chapter 3 – Using Your Wireless Modem ................................................................................................................14
Phone Numbers for the Wireless Modem .............................................................................................................14
Examples of Useful AT Commands ......................................................................................................................14
Verifying Signal Strength ...............................................................................................................................14
Checking Network Registration and Roaming Status.....................................................................................14
Checking the Modem’s Identity......................................................................................................................14
Establishing a Voice Call ...............................................................................................................................15
Establishing a Circuit-Switched Data (CSD) Connection ...............................................................................15
Answering a Circuit-Switched Data (CSD) Connection..................................................................................15
Using Short Message Services (SMS)..................................................................................................................16
SMS Examples ..............................................................................................................................................17
Internet Access .....................................................................................................................................................19
Connecting to the GPRS Network for Internet Access...................................................................................19
Mobile PhoneTools ...............................................................................................................................................21
Chapter 4 – Troubleshooting and Frequently Asked Questions............................................................................22
Troubleshooting Examples....................................................................................................................................22
Frequently Asked Questions.................................................................................................................................23
Chapter 6 – Reference Information...........................................................................................................................25
Wireless Modem Reference Information...............................................................................................................25
Data Cable Diagram – No Voice....................................................................................................................25
Data Cable Diagram – with Voice ..................................................................................................................26
Fused DC Power Cable Dimensions..............................................................................................................26
How to Change the Fuse ...............................................................................................................................26
Appendix A – Warranty and Repairs ........................................................................................................................27
Appendix B - Waste Electrical and Electronic Equipment (WEEE) Statement .....................................................29