Table of Contents

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

Multi-Tech Systems, Inc. MultiModem CDMA Wireless Modem User Guide

3

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Multi-Tech Systems MTCBA-C manual Contents