
Contents
Multi-Tech Systems, Inc. MT9234ZPX User Guide 3
Contents
CHAPTER 1: DESCRIPTION AND SPECIFICATIONS 5
Product Description 5
Features 5
AT Command Info 6
Package Contents 6
Technical Specifications 6
CHAPTER 2: INSTALLATION 8
General Safety 8
Install your MultiModem 8
Make the External Connections 9
Line Connection 9
Phone Connection (Optional) 9
Microphone/Headphone Connection (Optional) 9
Sound Card and Speaker Connections (If you have the Voice Option) 9
Installing the Modem Driver 10
Vista Operating System 10
Preliminaries 10
Driver Installation of your PCI Serial Port 10
Installation of the Communications Port 12
Installation of
the Modem 13
Driver Installation Windows XP/2003/2000 15
Preliminaries 15
Installation of the Single-port UART PCI Card 15
Installation of the Communications Port 16
Installation of the Modem 17
Configure the Modem for Your Country or Region 18
Using the Global Wizard to Configure Your Modem 18
Using AT Commands to Configure Your Modem 18
CHAPTER 3: REMOTE CONFIGURATION 19
Basic Procedure 19
Setup 19
To Change the Setup Password 19
To Change the Remote Escape Character 20
CHAPTER 4: TROUBLESHOOTING 21
The Modem Does Not Respond to Commands 21
The Modem Cannot Connect When Dialing 22
The Modem Disconnects While Online 23
The Modem Cannot Connect When Answering 23
File Transfer Is Slower Than It Should Be 23
Data Is Being Lost 24
There Are Garbage Characters on the Monitor 24
The Modem Doesn’t Work with Caller ID 24
Fax and Data Software Can’t Run at the Same Time 24
The Voice Functions Don’t Work 24
Voice Mail Test 24
Loopback Test 25
Speakerphone Test (with voice option) 25
APPENDIX A: WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT (WEEE)
STATEMENT 26
APPENDIX B – REGULATORY COMPLIANCE 27
FCC Part 68 Telecom 27
FCC Part 15 28
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