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Multi-Tech Systems MT5634ZBAV manual Local Analog Loopback Test V.54 Loop, Test procedure, 132

Models: MT5634ZBA MT5634ZBAV

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User Guide

Local Analog Loopback Test (V.54 Loop 3)

In this test, data from your computer or terminal is sent to your mo- dem’s transmitter, converted into analog form, looped back to the mo- dem’s receiver, converted into digital form, and then sent to your monitor for verification. No connection to the phone line is required.

AT&T1

CONNECT

UUUUUUUUU

UUU

Digital Analog

Computer or Terminal

Local MultiModem

Figure C-1. Local analog loopback test.

Test procedure

1.Connect the modem to your computer. Using your communication program, set the desired baud rate and go into terminal mode.

2.Type AT&T1 and press ENTER. This places your modem in analog loopback mode in the originate mode. A CONNECT message should appear on your display. The modem is now out of command mode and in a pseudo-online mode.

3.Note that the CD LED is on. If you are set for 14,400 bps or higher, a speed LED should be on. If the CD LED is not on, there is a defect in your modem.

4.Enter characters from your keyboard. For this test, typing multiple uppercase U characters is a good way to send an alternating test pattern of binary ones and zeros. The characters entered should be

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Multi-Tech Systems MT5634ZBAV manual Local Analog Loopback Test V.54 Loop, Test procedure, 132

Contents

Model MT5634ZBA Model MT5634ZBAV Page Model MT5634ZBA Model MT5634ZBAV Models MT5634ZBA and MT5634ZBAV Contents Features User GuideCallback Security ViiAppendix C Loopback Tests Viii145 User Guide Introduction Page Introduction Product Description IntroductionWhat Is in Your Modem Package? Related Manuals User Guide Quick Start Page Quick Start IntroductionWhat You Will Need We supplySafety Warnings Assemble the Modem Mounting the feetChange the Internal Jumpers Opening the ModemInternal jumpers MT5634ZBAV User Guide Changing the Speaker Jumper Changing the Dial-Up/Leased-Line JumpersConnect the Modem to Your System Modem connectionsPhone Connection User Guide RS232 ConnectionLine Connection Microphone Connection MT5634ZBAV onlyPower-On Test Power ConnectionQuick Start Speaker Connection MT5634ZBAV only Install the Modem in Windows Adding the Modem to Windows 95 or NTRemoving Your Old Modem from Windows 95 or NT Install and Configure Your Software Quick Start User Guide Call the Multi-Tech BBS Windows 95 HyperTerminalWindows Terminal Quick Start Select Start Programs Accessories Fax Compose new fax Send a FaxOther Ways to Access Microsoft Fax Voice Mail Test Test the MT5634ZBAV Voice CircuitsLoopback Test Speakerphone Test AT+FCLASS=8 AT+VLS=7References Features Page Features What Can You Do with Your Modem?Features DataFax Voice MT5634ZBAV onlyComputer Required EquipmentSerial Cable Features Telephone Line Communications SoftwareConnecting to the Computer RS232 ConnectionsConnecting to a Telephone Set Phone Features Connecting to the Telephone Line LineConnecting to a Microphone MIC Connecting to a Sound Card Spkr Connecting to a Speaker SpkrConnecting to Power PWR Surge Protectors and Lightning 56 56K Mode 56,000-32,000 bps. The 56 LED lights whenever Front PanelFeatures User Guide AT Commands Registers Result Codes Page AT Commands AT Commands, S-Registers, and Result CodesEnter Key AT Command SummaryAnswer Carrier Control Repeat Last CommandCommunication Standard Setting DialATDT1028806127853500$123456789 DS=y Dial Stored Telephone NumberHook Control Echo Command Mode CharactersEcho Online Data Characters Information RequestMonitor Speaker Mode Monitor Speaker VolumeModulation Handshake Pulse Dialing Return Online to Data ModeResult Codes Enable/Disable Set Register ValueResult Code Format Sr? Read Register ValueTone Dialing Result Code OptionsModem Reset Long Space DisconnectData Carrier Detect DCD Control Auto RetrainData Terminal Ready DTR Control 22bis Guard Tone Control Load Factory SettingsCommunications Mode Auxiliary Relay ControlTest Commands Asynchronous Communications ModeData Set Ready DSR Control Store Current Configuration Display Current SettingsSelect Stored Configuration for Hard Reset \An Select Maximum MNP Block Size Zy=x Store Dialing CommandSpeaker Codec Loopback \Bn Transmit Break\Jn Data Buffer Control \Gn Modem Port Flow ControlBreak Control \Nn Error Correction Mode Selection \Qn Flow Control Selection \Tn Inactivity Timer\Vn Protocol Result Code View Numbers in Blacklist \Xn XON/XOFF Pass-ThroughData Calling Tone Data Compression Control$Dn DTR Dialing DCn AT Command Control$EBn Command #CBF? Callback Failed Attempts Display +ES=n Enable Synchronous Buffered Mode#CBDn Callback Delay #CBAn Callback AttemptsCommand #CBNy=x Store Callback Password Callback Failed Attempts Reset#CBIn Local Callback Inactivity Timer #CBPn Callback ParityEnter Setup Password Callback Security ResetCallback Enable/Disable Command #S=x Store Setup Password+++ATCR Escape Sequence Register Unit Range Default Description RegistersS28 S10S11 S35Register Unit Range Default Description S36 S37S42 Register Unit Range Default Description S38S43 S89 Register Unit RangeS48 S108Result Codes Terse Verbose DescriptionDelayed Remote Configuration Page Basic Procedure Remote ConfigurationSetup Changing the Setup PasswordRemote Configuration Changing the Remote Escape Character User Guide Callback Security Page Setup Procedures Callback SecurityUser Guide To Change the Setup Password To Turn Callback Security On and OffTo Set the Parity of the Callback Security Messages To Assign Callback Passwords and Phone Numbers Callback Security Calling Procedures Password-Only CallbackNumber-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 Solving Problems None of the Indicators Light103 Modem Does Not Respond to Commands 104105 106 Modem Dials But Cannot Connect 107108 4The Modem Disconnects While Online 109File Transfer Is Slower Than It Should Be 110Data Is Being Lost 111Fax and Data Software Can’t Run at the Same Time 4The Modem Doesn’t Work with Caller ID112 Appendixes Page Regulatory Compliance FCC Regulations for Telephone Line Interconnection115 116 Canadian Limitations Notice 117FCC Fax Update 118Compliance with Babt Requirements 119European Low Voltage Directive EMC and Safety Compliance120 Australian Modem Warning Notice Command DefaultRegister Default 121Use of Supplied Power Transformer 122New Zealand Telecom Warning Notice 123124 Technical Specifications Intelligent Features Error CorrectionMode of Operation Command BufferAT&T V.32 terbo ITU-T V.32bis/V.32 Carrier Frequencies Carrier FrequenciesITU-T 22bis/V.22 orFax Carrier ConnectorsBell 103/113 FrequenciesPower Requirements DiagnosticsIndicators Power Consumption130 Loopback Tests 131Local Analog Loopback Test V.54 Loop Test procedure132 Remote Digital Loopback Test V.54 Loop 133User Guide Test procedure 134Local Digital Loopback Test V.54 Loop 135136 Warranty, Service, and Technical Support Limited Warranty137 Multi-Tech Systems, Inc Woodale Drive Mounds View, MN ServiceTechnical Support Attn RepairMulti-Tech BBS Online Warranty Registration139 If you don’t know the file name If you know the file name140 About the Internet 141About CompuServe About the Multi-Tech Fax-Back Service142 Upgrade Procedures Upgrade Overview143 Multi-Tech Web Site Identify the Modem FirmwareIdentify the Current Firmware Version 144Multi-Tech BBS 145Download the Upgrade File 146Clear Your Stored Paramenters Extract the Upgrade Files147 Upgrade the Modem’s Firmware 148Flashwin 149Restore Your Parameters 150Index Page Index 153154 47, 70155 20, 21Enable Synchronous Buffered Mode 156Modem Port Flow Control command 157158 20, 55Store Telephone Number command 159User Guide 160