Multi Tech Equipment MTA128ST manual

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Models MTA128ST and MTA128NT

External ISDN Terminal Adapter

User Guide

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Contents Page Revision Date Description Model MTA128ST/NT S000305C Rev. CTrademarks Contents Product Description Introduction and DescriptionSpid Service Profile ID FeaturesIsdn BRI Line NT1 ConnectionInterlace Pin TE SignalPin LED Indicators LED P1 LED P2 LED LED Indicators Switch CompatibiltiyCommand Interface ConnectorsSafety Warnings Hardware InstallationConnecting your TA Connect the TA to Your PC RS-232 Connection Network Configuration Configuration UtilitiesIntroduction Before You StartVoice TEI Call Control ConfigurationDialing Numbers COM Port SettingsDCD Drop Time Configuring your TA Page Page Page Page Page Page Page Page AT Commands MTA128S T/NT Commands and S-RegistersAT Commands by Function Analog Pots Call Commands Digital Data Call Commands aRegisters Register SummaryAT Commands, S-Registers, and Result Codes Result Codes Using AT Commands to Operate the MTA128ST/NTAnswering a Call Making a CallAnswering Manually Hanging UpAnswering Automatically Specific Troubleshooting Situations Troubleshooting the TATroubleshoot ing IntroductionDebugging/Logging/Troubleshooting S-Registers Debugging/Logging/Troubleshooting CommandsNone of the LEDs light when the MTA128ST/NTis on Debugging/Logging/Troubleshooting Command Summary ATMTA128ST/NT does not respond to commands You can place data calls but not voice calls or vice versa MTA128ST/NT dials but cannot make a connectionYou cannot place two simultaneous data calls MTA128ST/NT cannot connect when answeringMTA128ST/NT disconnects while online File transfer appears slower than it should beApple Macintosh Compatibility Making PPP/MLPPP Connections Bonding Using the &, I and + CharactersSoftware Applications that can Format PPP Data Dynamic Bandwidth Allocation DBADBA Data Protocols DBA Features Bandwidth-on-Demand BOD-S60, S61, S62, and S63PPP/MLPPP Warranty Warranty, Service, and Tech SupportRepair Procedures for U.S. and Canadian Customers Repair Procedures for International Distributors Replacement PartsQuick Setup Factory Profiles AppendixAConfiguration ProfilesQuick Setup Example Appendix B Ordering Your Isdn Li ne Bearer ServiceLoop Qualification Using Isdn Ordering Codes IOCs Capability S previously Generic Data M J3 previously Generic Data J-1DNM5 previously Generic Data M-1DN Ordering Isdn Without IOCs Appendices Appendices FCC AppendixC FCCand Canadian RegulationCanadian Limitations Notice Firmware-based Configuration Utility AppendixD Configuration MethodsConfiguration via AT Commands Using AT Commands to Configure the MTA128ST/NTGlossary SymbolGlossary IETFInternet Engineering Task Force PPPMultilink Protocol or MP-is an Internet Glossary TA-Seeterminal adapter Information pages from a central resource. See also Isdn Canadian Regulation 56 Appendix IndexUart