Index | Multitech MT5634ZBA-USB guide

Chapter 6 - Troubleshooting
Introduction	42
None of the Indicators Light	42
The Modem Does Not Respond to Commands	42
The Modem Dials But Cannot Connect	43
The Modem Disconnects While Online	44
The Modem Cannot Connect When Answering	44
The Modem Doesn’t Work with Caller ID	44
Fax and Data Software Can’t Run at the Same Time	44
Appendixes
Appendix A: Regulatory Compliance	46
Appendix B: Technical Specifications	50
Appendix C: Loopback Tests	53
Appendix D: Warranty, Service, and Technical Support	57
Index

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Multitech MT5634ZBA-USB manual Index

Contents

User Guide Record of Revisions Trademarks Contents Index Introduction and Description Introduction Product DescriptionUniversal Serial Bus USB MT5634ZBA-USB User Guide What Is in Your Modem Package? Introduction and Description MT5634ZBA-USB User Guide Quick Start Safety Warnings What You Will NeedWe supply You supply Assemble the Modem Quick Start Install the Software Connect the Modem to Your System Line ConnectionPhone Connection USB Connection Select the Modem Test Your Modem Features What Can You Do with Your Modem? FeaturesData Fax Required EquipmentComputer Telephone Line Connecting to the Computer USB Connecting to the Telephone Line LineConnecting to a Telephone Set Phone Connections Front Panel Front panel MT5634ZBA-USB User Guide AT Commands, S-Registers and Result Codes AT Commands AT Command Summary Command DS=n Dial Stored Telephone Number Echo Command Mode CharactersMonitor Speaker Volume Echo Online Data Characters Monitor Speaker Mode Return Online to Data ModeResult Codes Enable/Disable Command Sr=n Set Register Value MT5634ZBA-USB User Guide Command Vn Result Code Format Command Xn Result Code SelectionCommand Yn Long Space Disconnect Modem Reset Load Factory Settings Command &Gn V.22bis Guard Tone ControlCommunications Mode Asynchronous Communications Mode MT5634ZBA-USB User Guide Command &Tn V.54 Test Commands Display Current SettingsCommand &Wn Store Current Configuration Select Stored Configuration for Hard Reset Error Correction Mode Selection Modem Port Flow ControlData Buffer Control Break Control Inactivity Timer Command %Cn Data Compression ControlCommand %DCnAT Command Control Protocol Result Code Command %En Fallback and Fall Forward Control Enter Setup PasswordCommand #S=x Store Setup Password Command%%%ATCRRemote Configuration Escape Sequence Registers S38 S37Rates K56flex Rates S42 S43S48 S89 Result Codes Terse Verbose Description MT5634ZBA-USB User Guide Remote Configuration Setup Basic ProcedureChanging the Setup Password Remote Configuration Changing the Remote Escape Character MT5634ZBA-USB User Guide Troubleshooting None of the Indicators Light Modem Does Not Respond to Commands Troubleshooting Modem Dials But Cannot Connect Modem Cannot Connect When Answering Modem Disconnects While OnlineModem Doesn’t Work with Caller ID Fax and Data Software Can’t Run at the Same Time Appendixes Appendix a Regulatory Compliance FCC Regulations for Telephone Line Interconnection Class B Statement Industry Canada Canadian Limitations Notice FAX Branding Statement International Modem Restrictions European DirectivesNew Zealand Telecom Warning Notice Appendix B Technical Specifications Connectors Carrier FrequenciesITU-T ITU-T V.32bis/V.32 Carrier Frequencies Diagnostics IndicatorsDimensions Weight Appendix C Loopback Tests Introduction Figure C-1. Local analog loopback test Test Procedure Local Analog Loopback Test V.54 Loop Remote Digital Loopback Test V.54 Loop Appendix C Loopback Tests Figure C-3. Local digital loopback test Test Procedure Local Digital Loopback Test V.54 Loop Appendix D Warranty, Service, and Technical Support Limited WarrantyOnline Warranty Registration Service Technical Support Multi-Tech BBSTo Log on to the Multi-Tech BBS To Download a File About the Multi-Tech Fax-Back Service About the Internet Index Index MT5634ZBA-USB User Guide