User guide

Contents
Chapter 1: Introduction.................................................................................................... 2
Product Description and Features .............................................................................. 2
What’s In Your Modem Package? .............................................................................. 4
Related Manuals ........................................................................................................ 4
Chapter 2: Installation ...................................................................................................... 6
What You Will Need.................................................................................................... 6
Safety Warnings ......................................................................................................... 6
Connecting the Modem to Your System ..................................................................... 7
Connections for the MT5600ZDX ............................................................................... 7
A Note About Power Connection, Surge Protectors, and Lightning............................ 8
Power-On Test............................................................................................................ 8
Connections for the MT5600ZDXV ............................................................................ 9
Installing the Modem Driver...................................................................................... 10
Removing an Old Modem Driver .............................................................................. 10
Installing Your Data Communications Software........................................................ 11
Connecting to the Internet ........................................................................................ 11
Dial-Up Networking .................................................................................................. 12
Installing Dial-Up Networking in Windows 95/98 ................................................ 12
Installing Dial-Up Networking in Windows 2000 ................................................. 13
Installing Dial-Up Networking in Windows NT 4.0 .............................................. 14
Sending a Fax .......................................................................................................... 15
About the LED Indicators ......................................................................................... 15
References ............................................................................................................... 16
Chapter 3: Advanced Options ........................................................................................ 18
Configuring Your Software........................................................................................ 18
Configuring Your Modem .......................................................................................... 19
Chapter 4: AT Commands, S-Registers, and Result Codes ........................................... 21
AT Commands Reference ........................................................................................ 22
S-Registers .............................................................................................................. 39
Result Codes ............................................................................................................ 44
Chapter 5: Troubleshooting ............................................................................................ 48
None of the Indicators Light ..................................................................................... 48
The Modem Does Not Respond to Commands ....................................................... 49
The Modem Dials But Cannot Connect .................................................................... 50
The Modem Disconnects While Online .................................................................... 51
The Modem Cannot Connect When Answering ....................................................... 52
File Transfer Is Slower Than It Should Be ................................................................ 52
Data Is Being Lost .................................................................................................... 53
There Are Garbage Characters on the Monitor ........................................................ 53
The Modem Doesn’t Work with Caller ID ................................................................. 53
Fax and Data Software Can’t Run at the Same Time............................................... 54
Appendix A: Regulatory Compliance .............................................................................. 56
FCC Part 15 ............................................................................................................. 56
FCC Part 68 Telecom ............................................................................................... 57
Fax Branding Statement........................................................................................... 58
Canadian Limitations Notice..................................................................................... 58
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