Multi Tech Equipment MTA128ST manual Debugging/Logging/Troubleshooting Commands

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Troubleshooting

Debugging/Logging/Troubleshooting Commands

The AT commands in this section can be used in attempting to troubleshoot or debug a current problem. Some commands may be enhanced or limited by the debugging/logging/troubleshooting S-registers. For complete descriptions of the commands and S-registers, see the additional documents on this CD.

Debugging/Logging/Troubleshooting Command Summary AT

Command

Function

>Dn

Embedded Protocol Analyzer (EPA)

*FSn

Reset TA

*Ln

Fatal Error Information

>LOG

Display Logging Buffer Contents

>Sn

Logging Variables

>TIME

Display Current Timestamp

*V

Various State Information

Debugging/Logging/Troubleshooting S-Registers

The S-registers in this section can be used in attempting to troubleshoot, debug, or even correct a current problem. Some S-registers modify functionality of various features. Some S-registers modify the functionality of the debugging/logging/troubleshooting commands described in the additional documents on the system CD.

Debugging/Logging/Troubleshooting S-Register Summary

S-register Function

S47 Pulse-dial Maximum Break Pulse Period

S48 Pulse-dial Maximum Interdigital Pause

S72 EuroISDN Variant

S90 Local PPP Capabilities

S91 Remote PPP Capabilities

S92 Channel ID Information Element Octet 3 Settings

S93 Blacklisting

S94 Minimum Buffer Space After Trigger

S95 Logging Buffer Functionality

S96 Decode (EPA) Buffer Functionality

S98 ISDN_MSG Size

S99 Startup Options

S100 Flow Control High Threshold

S101 Flow Control Low Threshold

S102 Data to Save for Decoding

None of the LEDs light when the MTA128ST/NTis on

When you turn on the MTA128ST/NT, the LED indicators on the front panel should flash briefly as the TA runs a self-test. If the LEDs remain off, the TA probably is not receiving power.

•Make sure the MTA128ST/NT’s power switch is on, especially if you normally turn on the TA by turning on a power strip.

•If the power supply is plugged into a power strip, make sure the power strip is plugged in and its power switch is on.

•Make sure the power supply module is firmly connected to the MTA128ST/NT and to the wall outlet or power strip.

•If the power strip is on and the MTA1 28ST/NT is switched on, try moving the TA’s power supply to another outlet on the power strip.

•Test that the outlet is live by plugging a lamp into it.

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Contents Page Model MTA128ST/NT S000305C Rev. C Revision Date DescriptionTrademarks Contents Product Description Introduction and DescriptionSpid Service Profile ID FeaturesIsdn BRI Line NT1 ConnectionPin TE Signal InterlacePin LED Indicators LED P1 LED P2 LED LED Indicators Switch CompatibiltiyCommand Interface ConnectorsHardware Installation Safety WarningsConnecting 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 CallHanging Up Answering ManuallyAnswering 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, Service, and Tech Support WarrantyRepair Procedures for U.S. and Canadian Customers Repair Procedures for International Distributors Replacement PartsAppendixAConfiguration Profiles Quick Setup Factory ProfilesQuick Setup Example Bearer Service Appendix B Ordering Your Isdn Li neLoop Qualification Using Isdn Ordering Codes IOCs J3 previously Generic Data J-1DN Capability S previously Generic Data MM5 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
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