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Multi-Tech Systems MT5634ZBAV manual None of the Indicators Light, Solving Problems, 103

Models: MT5634ZBA MT5634ZBAV

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7 Solving Problems

Introduction

Your modem was thoroughly tested at the factory before it was shipped. If you are unable to make a successful connection, or if you experience data loss or garbled characters during your connection, it is possible that the modem is defective. However, it is more likely that the source of your problem lies elsewhere. The following symptoms are typical of problems you might encounter:

•None of the LEDs light when the modem is on.

•The modem does not respond to commands.

•The modem dials but is unable to make a connection.

•The modem disconnects while online.

•The modem cannot connect when answering.

•File transfer is slower than it should be.

•Data is being lost.

•There are garbage characters on the monitor.

•The modem doesn’t work with Caller ID.

•Fax and data software can’t run at the same time.

If you experience problems, please check the following possibilities be- fore calling Technical Support (see Appendix D).

None of the Indicators Light

When you turn on the modem, the LED indicators on the front panel should flash briefly as the modem runs a self-test. If the LEDs remain off,

4the modem is probably not receiving power.

Make sure the modem’s power switch is on, especially if you normally turn on the modem by turning on a power strip.

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Multi-Tech Systems MT5634ZBAV manual None of the Indicators Light, Solving Problems, 103

Contents

Model MT5634ZBA Model MT5634ZBAV Page Model MT5634ZBA Model MT5634ZBAV Models MT5634ZBA and MT5634ZBAV Contents User Guide FeaturesVii Callback SecurityViii Appendix C Loopback Tests145 User Guide Introduction Page Introduction Introduction Product DescriptionWhat Is in Your Modem Package? Related Manuals User Guide Quick Start Page What You Will Need IntroductionQuick Start We supplySafety Warnings Mounting the feet Assemble the ModemOpening the Modem Change the Internal JumpersInternal jumpers MT5634ZBAV Changing the Dial-Up/Leased-Line Jumpers User Guide Changing the Speaker JumperModem connections Connect the Modem to Your SystemLine Connection User Guide RS232 ConnectionPhone Connection Microphone Connection MT5634ZBAV onlyQuick Start Speaker Connection MT5634ZBAV only Power ConnectionPower-On Test Adding the Modem to Windows 95 or NT Install the Modem in WindowsRemoving Your Old Modem from Windows 95 or NT Install and Configure Your Software Quick Start User Guide Windows 95 HyperTerminal Call the Multi-Tech BBSWindows Terminal Quick Start Send a Fax Select Start Programs Accessories Fax Compose new faxOther Ways to Access Microsoft Fax Loopback Test Test the MT5634ZBAV Voice CircuitsVoice Mail Test AT+FCLASS=8 AT+VLS=7 Speakerphone TestReferences Features Page What Can You Do with Your Modem? FeaturesData FeaturesVoice MT5634ZBAV only FaxSerial Cable Required EquipmentComputer Communications Software Features Telephone LineConnections Connecting to the Computer RS232Connecting to a Microphone MIC Features Connecting to the Telephone Line LineConnecting to a Telephone Set Phone Connecting to Power PWR Connecting to a Speaker SpkrConnecting to a Sound Card Spkr Surge Protectors and Lightning Front Panel 56 56K Mode 56,000-32,000 bps. The 56 LED lights wheneverFeatures User Guide AT Commands Registers Result Codes Page AT Commands, S-Registers, and Result Codes AT CommandsAnswer AT Command SummaryEnter Key Communication Standard Setting Repeat Last CommandCarrier Control DialDS=y Dial Stored Telephone Number ATDT1028806127853500$123456789Echo Online Data Characters Echo Command Mode CharactersHook Control Information RequestModulation Handshake Monitor Speaker VolumeMonitor Speaker Mode Result Codes Enable/Disable Return Online to Data ModePulse Dialing Set Register ValueTone Dialing Sr? Read Register ValueResult Code Format Result Code OptionsLong Space Disconnect Modem ResetData Terminal Ready DTR Control Auto RetrainData Carrier Detect DCD Control Communications Mode Load Factory Settings22bis Guard Tone Control Auxiliary Relay ControlData Set Ready DSR Control Asynchronous Communications ModeTest Commands Select Stored Configuration for Hard Reset Display Current SettingsStore Current Configuration Speaker Codec Loopback Zy=x Store Dialing Command\An Select Maximum MNP Block Size \Bn Transmit BreakBreak Control \Gn Modem Port Flow Control\Jn Data Buffer Control \Nn Error Correction Mode Selection \Vn Protocol Result Code \Tn Inactivity Timer\Qn Flow Control Selection Data Calling Tone \Xn XON/XOFF Pass-ThroughView Numbers in Blacklist Data Compression Control$EBn DCn AT Command Control$Dn DTR Dialing #CBDn Callback Delay +ES=n Enable Synchronous Buffered ModeCommand #CBF? Callback Failed Attempts Display #CBAn Callback Attempts#CBIn Local Callback Inactivity Timer Callback Failed Attempts ResetCommand #CBNy=x Store Callback Password #CBPn Callback ParityCallback Enable/Disable Callback Security ResetEnter Setup Password Command #S=x Store Setup Password+++ATCR Escape Sequence Registers Register Unit Range Default DescriptionS11 S10S28 S35S37 Register Unit Range Default Description S36S43 Register Unit Range Default Description S38S42 S48 Register Unit RangeS89 S108Terse Verbose Description Result CodesDelayed Remote Configuration Page Remote Configuration Basic ProcedureChanging the Setup Password SetupRemote Configuration Changing the Remote Escape Character User Guide Callback Security Page Callback Security Setup ProceduresTo Turn Callback Security On and Off User Guide To Change the Setup PasswordTo Set the Parity of the Callback Security Messages To Assign Callback Passwords and Phone Numbers Callback Security Password-Only Callback Calling ProceduresNumber-Entry Callback Extension-Entry Callback Direct Connection Callback Security Commands #CBFR Command #CBPn #CBS0 Zy=+-x,???Store Dialing Command Only after the setup password has been entered 100 Solving Problems Page 103 None of the Indicators LightSolving Problems 104 Modem Does Not Respond to Commands105 106 107 Modem Dials But Cannot Connect108 109 4The Modem Disconnects While Online110 File Transfer Is Slower Than It Should Be111 Data Is Being Lost112 4The Modem Doesn’t Work with Caller IDFax and Data Software Can’t Run at the Same Time Appendixes Page 115 FCC Regulations for Telephone Line InterconnectionRegulatory Compliance 116 117 Canadian Limitations Notice118 FCC Fax Update119 Compliance with Babt Requirements120 EMC and Safety ComplianceEuropean Low Voltage Directive Register Default Command DefaultAustralian Modem Warning Notice 121122 Use of Supplied Power Transformer123 New Zealand Telecom Warning Notice124 Technical Specifications Mode of Operation Error CorrectionIntelligent Features Command BufferITU-T Carrier FrequenciesAT&T V.32 terbo ITU-T V.32bis/V.32 Carrier Frequencies 22bis/V.22 orBell 103/113 ConnectorsFax Carrier FrequenciesIndicators DiagnosticsPower Requirements Power Consumption130 131 Loopback Tests132 Test procedureLocal Analog Loopback Test V.54 Loop 133 Remote Digital Loopback Test V.54 Loop134 User Guide Test procedure135 Local Digital Loopback Test V.54 Loop136 137 Limited WarrantyWarranty, Service, and Technical Support Technical Support ServiceMulti-Tech Systems, Inc Woodale Drive Mounds View, MN Attn Repair139 Online Warranty RegistrationMulti-Tech BBS 140 If you know the file nameIf you don’t know the file name 141 About the Internet142 About the Multi-Tech Fax-Back ServiceAbout CompuServe 143 Upgrade OverviewUpgrade Procedures Identify the Current Firmware Version Identify the Modem FirmwareMulti-Tech Web Site 144145 Multi-Tech BBS146 Download the Upgrade File147 Extract the Upgrade FilesClear Your Stored Paramenters 148 Upgrade the Modem’s Firmware149 Flashwin150 Restore Your ParametersIndex Page 153 Index47, 70 15420, 21 155156 Enable Synchronous Buffered Mode157 Modem Port Flow Control command20, 55 158159 Store Telephone Number command160 User Guide