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Multitech MT2834BA, MT1432BA Fax Carrier Frequencies, Carrier Frequencies 300 bps Bell Standard

Models: MT2834BAI MT1432BA MT2834BA

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MultiModemBA User Guide

Fax Carrier Frequencies
All Models:	V.21CH2 (Half Duplex)
	1650Hz Mark, 1850Hz Space for Transmit Originate
	1650Hz Mark, 1850Hz Space for Transmit Answer
	V.27ter 1800Hz Originate/Answer
	V.29 QAM 1700Hz Originate/Answer
2834 and 1432 Series:	V.17 TCM 1800Hz Originate/Answer
Carrier Frequencies
2834 Series:	1800 Hz V.32/V.32bis/V.34/Enhanced V.34--33.6K/31.2K/28.8K/
	26.4K/24K/21.6K/19.2K/16.8K/14.4K/12K/9.6K/7.2K/4.8K
1432 Series:	1800 Hz V.32/V.32bis/14.4K/12K/9.6K/4.8K
932 Series:	1800 Hz V.32/9.6K/7.2K/4.8K

Carrier Frequencies - 2400 & 1200 bps (V.22bis/V.22 or Bell 212A Standard)

All models:	Transmit Originate:		1200 Hz
	Transmit Answer:		2400 Hz
	Receive Originate:		2400 Hz
	Receive Answer:		1200 Hz
Carrier Frequencies - 300 bps (Bell Standard)
All models:	1270	Hz Mark, 1070 Hz Space for Transmit Originate
	2225	Hz Mark, 2025 Hz Space for Receive Originate
	2225	Hz Mark, 2025 Hz Space for Transmit Answer
	1270	Hz Mark, 1070 Hz Space for Receive Answer
Carrier Frequencies - V.21
All models:	980 Hz Mark, 1180 Hz Space for Transmit Originate
	1650	Hz Mark, 1850 Hz Space for Transmit Answer
	650 Hz Mark, 1850 Hz Space for Receive Originate
	980 Hz Mark, 1180 Hz Space for Receive Answer
Carrier Frequencies - V.23
All models:	390 Hz Mark, 450 Hz Space for Transmit Originate
	1300	Hz Mark, 2100 Hz Space for Transmit Answer
	1300	Hz Mark, 2100 Hz Space for Receive Originate
	390 Hz Mark, 450 Hz Space for Receive Answer
Transmit Level
2834 Series:	-11dBm (dial-up), -9 or -15 dBm (leased-line); dBm level selectable
	with DIP-Switch #3 in leased line setting
1432 Series:	-10dBm (dial-up), 0 dBm (leased-line); dBm level selectable with
	DIP-Switch #3 in leased line setting
932 Series:	-10dBm (dial-up), -9 dBm (leased-line); dBm level selectable with
	DIP-Switch #3 in leased line setting
Frequency Stability
All models:	±0.01%

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Multitech MT2834BA Fax Carrier Frequencies, Carrier Frequencies 300 bps Bell Standard, Transmit Level, Frequency Stability

Contents

User Guide User Guide Record of RevisionsContents Manual Dial and Automatic Answer Command ModeCallback Security and Remote Configuration RegistersWarranty, Service and Tech Support Modem TestingDIP-Switch Settings AppendixesPage Introduction and Description How To Use This Manual IntroductionTesting Your Modem AT Command Mode OperationCallback and Remote Configuration DIP-Switches2 1432 Series Features Modem Features1 2834 Series Features 3 932 Series FeaturesFax Features Technical Specifications Command Buffer Mode of OperationIntelligent Features Introduction and DescriptionCarrier Frequencies 300 bps Bell Standard Fax Carrier FrequenciesCarrier Frequencies Transmit LevelIndicators ConnectorsDiagnostics Operating TemperatureModels Only PowerModem LED Indicators Controls on PC Board MultiModemBA User Guide Installation and Connection What is in Your Modem Package? Unpacking MT2834BA shownInstallation Procedure InstallationSafety Warnings MultiModemBA/BAI Connections Loading Trio DataFAX Software MultiModemBA User Guide Is Your Modem Ready for Use? MultiModemBA User Guide Software Configuration and Modem Basics Serial Port Limitations How Can You Identify Your Uart Type?Software Configuration Configuring Your SoftwareConfiguring Software for Your Modem 16550 Uart and WindowsOther Parameters Changing Default ParametersPC Initialization Strings Macintosh Initialization Configuring Software for Your ComputerConfiguring Software for the Remote System Terminal EmulationFile Transfer Protocols When to Disable Data CompressionDisabling Error Correction AT &F S0=0 X4 &E14 MSimple Operations Answer/Originate Voice/Data Toggle SwitchModem Basics MultiModemBA User Guide Manual Dial and Automatic Answer Dialing/On-Line/Answering Manual Dial and Automatic Answer Manual Call OriginationAutomatic Answering Manual Answering Handshaking DetailsAbort Timer Call TerminationMultiModemBA User Guide Command Mode AT Command Editing Command Mode Functional ModesSummary of AT Commands Reliable Mode Normal ModeAuto-Reliable Mode Flow Control DisabledPasswords for Callback Phone Numbers Enable/Disable Reading Line Probe From DSP during handshakeDisplay of Signal Strength Information Callback Security Enable/DisableResult Codes Multi-Tech Result Codes SeriesMultiModemBA User Guide Standard AT Result Codes Series Continuous Redial not used in BAI a or Dialing Commands Dialing Action CommandsDial Command D Dialing a Stored Number NPulse or Tone Dial P T Dial Modifier CommandsVoice/Data Dialing $VD Set Pulse Dial Ratios &PAutomatic Pauses in Dialing Return to Command Mode After Dial Command ExecutionReverse the Mode of Operation R Long Space Disconnect YCalling Card Detect Tones $ Quiet Answer @Number Linking NN Phone Number Memory CommandsStoring Phone Numbers D...N Listing Numbers Stored in Memory LModem Reset Z Configuration and Default Storage CommandsLoading Factory Defaults &F Synchronous Transmit Clock Select &X Async/Sync Mode Switching &MUnix Uucp Spoofing $SP Result Codes Enable/Disable and No Response Answer Q Command Response Result Code CommandsEcho Command Mode Characters E Result Codes Multi-Tech or Standard AT &QResult Codes Basic and Extended and Call Progress Selection Guard Tones Not Used in BAI Models &G Phone Line Conditioning CommandsEnable/Disable Trelis Coded Modulation #T Bell/V.21 ToneCleardown at Disconnect &CD 2834 Series only Fallback Modes When On-Line #FEnable/Disable Lowspeed Fast Connect $FC 2834 Series only Auto Speed Detect #A Data Terminal Ready Control &D 7 RS-232C Interface Control CommandsCarrier Detect Control &C CTS Control &RDSR/CD Interaction Control &SF Data Set Ready Control &SCTS/RTS Interaction Control &RF Auto-Reliable Mode &E1 Error Correction CommandsNormal Mode &E0 Reliable Mode &E2Answer Mode Mode Select #LOriginate Mode Auto-Reliable Buffering $ARetransmit Count $R Enable/Disable Auto Reliable Fallback Character $FError Correction/300bps $E Xon/Xoff Flow Control &E5 Flow Control CommandsHardware Flow Control &E4 Hewlett-Packard ENQ/ACK Pacing &E9 Xon/Xoff Pass-Through &E7Send Xon/Xoff Characters #X Maximum Block Size &BS Normal Mode Modem Flow Control On &E11Terminal/Computer Initiated Pacing &E13 Parity Selection #PEnq/Ack Pacing Commands Normal/Auto-Reliable/Reliable Mode CommandsXon/Xoff Pass-Through Commands Modem Baud Rate $MB Speed Conversion CommandsSpeed Conversion $BA Command Mode Series Serial Port Baud Rate $SB Immediate Action Commands Listing On-Line Diagnostics L8 Off Hook HExiting Command Mode, Going Back On-Line O Line Probe Commands 2834 Series onlyForce Answer Mode a MultiModemBA User Guide Registers Escape Code Character Number of Rings Until Modem AnswersRings Which Have Occurred Return CharacterBackspace Character Time for Carrier Abort TimerLine Feed Character Wait Time for Dial ToneCarrier Detect Response Time S10 Carrier Loss Disconnect Delay TimeS13 Remote Configuration Escape Character S11 Tone Dialing Tone Spacing and DurationS17 Changing Break Time S15 Callback Time DelayS16 Callback Attempts S24 PBX/CBX Disconnect Drop Time for DSR/CTS/CDS30 Inactivity Timer S26 Failed Password AttemptsS29 Local Inactivity Timer S32 Time Elapse for Escape SequenceS48 Program V.34bis Connect Speeds 2834 Series only S36 Time Between DTR Inactive and Modem Off-HookS37 Time Between DTR Active and Modem On-Hook Examples of Reading Values Reading and Assigning S-Register ValuesExamples of Assigning Values AT Command and S-Register Summary MultiModemBA User Guide Callback Security and Remote Configuration Callback Feature Description To change your Remote Configuration feature status Remote Configuration DescriptionCallback Security and Remote Configuration AT#CBN1xxxxxxxxxxCR To set parity of the password/message promptAT#CBN0xxxxxxxxxxCR Callback Operational Sequence Procedures Remote Configuration Procedures Remote Configuration Operation Procedures StepProcedureCallback Security Enable/Disable Remote Configuration and Callback Security AT CommandsAssign Passwords for Callback Phone Numbers #CBN Change Login PasswordErase Callback Password Erase Callback Phone Number #RDNxxRemote Configuration/Callback Security S-Registers MultiModemBA User Guide Modem Testing Introduction Modem Testing Local Analog Loopback Test/V.54 LoopDigital Loopback Test/V.54 Loop 2 Local/Manual 100Digital Loopback Test/V.54 Loop 2 Remote/Automatic 101Back-to-Back Test 4A. Back-to-Back Test CablingSynchronous Mode Testing Local Analog Loopback Test Synchronous ModeDigital Loopback Test Local/Manual Synchronous Mode Synchronous Mode Digital Loopback Test local/manual 104Digital Loopback Test Remote/Automatic Synchronous Mode Synchronous Mode Digital Loopback Test remote/automatic 105MultiModemBA User Guide 106 DIP-Switch Settings PC Board 108 109 DIP-Switch Option SettingsDIP-Switch Settings 110 Switch #4 AS/400 Mode Synchronous Mode/Leased Line/Dial-UP932 Series 111 112 113 114 Switch #16 Reserved for Future UseMultiModemBA User Guide Series Switch Function Position Effect Speaker Volume ControlRecording Option Configurations 115116 DIP Switches #13-14DIP Switches #15-16 Warranty, Service and Tech Support 118 Limited WarrantyOn-line Warranty Registration Tech Support ServiceWarranty, Service and Tech Support Recording Modem InformationTo Download a file Multi-Tech BBSTo log on to the Multi-Tech BBS Upgrading the MultiModem Using FlashPro to Upgrade Modem FirmwareAbout the Multi-Tech Fax-Back Service About Multi-Tech’s Internet Presence122 About Ordering AccessoriesSupplyNet Online Ordering Instructions Appendixes Modem Does Not Respond to Commands Appendix a TroubleshootingNone of the LEDs Light When the Modem Is On 124Appendix a Troubleshooting 125Modem Dials But Cannot Make a Connection 126File Transfer Is Slower Than It Should Be Modem Cannot Connect When AnsweringModem Disconnects While On-line 127128 Am Losing DataAm Getting Garbage Characters on the Monitor Appendix B Ascii Conversion Chart 129Tone Dial Frequencies Appendix C Dial Pulse and Tone-Dial FrequenciesDial Pulses 130$An Appendix D AT Command SummaryCommand Values Description #AnCD n BS n$BA n SN d$Fn $EBn#Fn 133$MBn $Hn#Ln 134RFn NdNe$Rn Sr=n$SPn $SBnSFn #Tn137 $VDn#Xn Callback Security/Remote Configuration Command Summary +++ATCRPassword Command Summary 25bis Commands140 Appendix E DIP-Switch SummaryAsynchronous Mode 141 Synchronous ModeAppendix E DIP-Switch Summary 142 Appendix F S-Register Summary S32 S29S30 S34Terse Digit Verbose Words Effect Appendix G Result Code SummaryAppendix G Result Code Summary 145146 25bis Operation Delayed and Forbidden NumbersAppendix H V.25bis Operation Appendix H V.25bis Operation148 25bis DIP-Switches25bis Set-Up and Initialization 149 25bis Mode AT Commands25bis Responses Result Codes Change Serial Baud Rate CSP Command 25bis AT CommandsEnable/Disable V.25bis Mode $V Command Dial Phone Number Provided CRN CommandDisregard or Connect to Incoming Calls DIC or CIC Command Listing Delayed Phone Numbers RLD CommandListing Forbidden Phone Number RLF Command DTR Dialing $D CommandSwitzerland ITU V.25bis Country Specific InformationItaly AustriaSingapore Appendix H V.25bis Operation FranceBelgium 153Appendix I MultiModemBA Cables Figure I-1. RS232 Cable IBM PCAppendix J RS-232C Interface Specifications Figure I-2. MAC Cable 155Pin Designation Eia Appendix J RS-232C Interface SpecificationsSignal Function Assignment Circuit Source 156Request To Send Pin 4, RTS CA Signal Ground Pin 7, SG ABReceived Data Pin 3, RD BB Clear To Send Pin 5, CTS CBTransmit Clock Pin 15, TC DB Ring Indicator Pin 22, RI CETest Voltage Pin 9 Receive Clock Pin 17, RC DD159 Terminal Busy Out of Service Pin 25, OOSExternal Transmit Clock Pin 24, XTC New Zealand Telecom Warning Notice EMC, Safety and Terminal Directive ComplianceInternational Modem Restrictions European Directives User Guide Statement161 FCC Regulations for Telephone Line InterconnectionAppendix K Regulatory Information FCC Part Canadian Limitations NoticeClass a Statement Industry CanadaIndex 163Functional Description of RS232C SIG 164165 166