
Contents
3
Contents
Chapter 1: Introduction and Description ........................................................................................................................4
Welcome to the world of ISDN communications. ................................................................................................................ 4
Product Description.............................................................................................................................................................. 4
Features............................................................................................................................................................................... 5
LED Indicators .................................................................................................................................................................... 8
Technical Specifications ...................................................................................................................................................... 10
Chapter 2: Hardware Installation .....................................................................................................................................11
Safety Warnings .................................................................................................................................................................. 11
Connecting your TA ............................................................................................................................................................. 11
Chapter 3: Configuration Utilities ...................................................................................................................................13
Introduction ......................................................................................................................................................................... 13
Before You Start ................................................................................................................................................................. 13
Configuring your TA ............................................................................................................................................................. 17
Chapter 4: AT Commands, S-Registers, and Result Codes..........................................................................................26
MTA128ST/NT Commands and S-Registers ...................................................................................................................... 26
S-Registers ......................................................................................................................................................................... 29
Chapter 5: Troubleshooting..............................................................................................................................................34
Troubleshooting the TA........................................................................................................................................................ 34
Chapter 6: Point-to-Point Communications: PPP/MLPPP.............................................................................................41
Chapter 7: Warranty, Service, and Tech Support...........................................................................................................44
Multi-Tech Systems, Inc. Warranty & Repairs Policies .......................................................................................................44
Online Warranty Registration .............................................................................................................................................. 45
Service ................................................................................................................................................................................. 45
Replacement Parts ............................................................................................................................................................. 46
Technical Support ............................................................................................................................................................... 47
Appendix A:Configuration Profiles..................................................................................................................................48
Quick Setup Factory Profiles .............................................................................................................................................. 48
Quick Setup Example ......................................................................................................................................................... 48
Appendix B: Ordering Your ISDN Line ...........................................................................................................................49
Loop Qualification ...............................................................................................................................................................49
Bearer Service ..................................................................................................................................................................... 50
Using ISDN Ordering Codes (IOCs) .................................................................................................................................... 50
Ordering ISDN Without IOCs
............................................................................................................................................... 52
Appendix C: FCC and Canadian Regulation ..................................................................................................................56
FCC......................................................................................................................................................................................56
Canadian Limitations Notice ................................................................................................................................................ 57
Appendix D: Configuration Methods ...............................................................................................................................58
Firmware-based Configuration Utility................................................................................................................................... 58
Configuration via AT Commands.........................................................................................................................................58
Glossary..............................................................................................................................................................................59
Index....................................................................................................................................................................................65
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