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Multitech MT1432BA, MT2834BAI manual PC Board 108

Models: MT2834BAI MT1432BA MT2834BA

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MultiModemBA User Guide

9.1Introduction

There are several DIP-Switch options on the modem’s printed circuit (PC) board. The DIP-Switches are accessible through a cut-out on the side of the modem. This chapter explains the modem’s printed-circuit board options. Sixteen DIP-Switch settings and the modem's speaker volume control are explained in detail, including all default settings.

Power Switch

Power Jack

LED										RS-232/V.24


Indicators
Indicators
										Connector
										Connector

OPEN

OPEN

1

2

3

4

5

6

7

8

9

10 11 12

13 14 15 16

Line Jack Phone Jack

16-position DIP-switch

Figure 9-1. PC Board

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Image 108

Multitech MT1432BA, MT2834BAI manual PC Board 108

Contents

User Guide User Guide Record of RevisionsContents Command Mode Callback Security and Remote ConfigurationManual Dial and Automatic Answer RegistersModem Testing DIP-Switch SettingsWarranty, Service and Tech Support AppendixesPage Introduction and Description How To Use This Manual IntroductionAT Command Mode Operation Callback and Remote ConfigurationTesting Your Modem DIP-SwitchesModem Features 1 2834 Series Features2 1432 Series Features 3 932 Series FeaturesFax Features Technical Specifications Mode of Operation Intelligent FeaturesCommand Buffer Introduction and DescriptionFax Carrier Frequencies Carrier FrequenciesCarrier Frequencies 300 bps Bell Standard Transmit LevelConnectors DiagnosticsIndicators Operating TemperaturePower Modem LED IndicatorsModels Only Controls on PC Board MultiModemBA User Guide Installation and Connection What is in Your Modem Package? Unpacking MT2834BA shownInstallation Safety WarningsInstallation Procedure 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?Configuring Your Software Configuring Software for Your ModemSoftware Configuration 16550 Uart and WindowsChanging Default Parameters PC Initialization StringsOther Parameters Configuring Software for Your Computer Configuring Software for the Remote SystemMacintosh Initialization Terminal EmulationWhen to Disable Data Compression Disabling Error CorrectionFile Transfer Protocols AT &F S0=0 X4 &E14 MAnswer/Originate Voice/Data Toggle Switch Modem BasicsSimple Operations MultiModemBA User Guide Manual Dial and Automatic Answer Dialing/On-Line/Answering Manual Call Origination Automatic AnsweringManual Dial and Automatic Answer Manual Answering Handshaking DetailsAbort Timer Call TerminationMultiModemBA User Guide Command Mode AT Command Editing Command Mode Functional ModesSummary of AT Commands Normal Mode Auto-Reliable ModeReliable Mode Flow Control DisabledEnable/Disable Reading Line Probe From DSP during handshake Display of Signal Strength InformationPasswords for Callback Phone Numbers Callback Security Enable/DisableResult Codes Multi-Tech Result Codes SeriesMultiModemBA User Guide Standard AT Result Codes Series Dialing Commands Dialing Action Commands Dial Command DContinuous Redial not used in BAI a or Dialing a Stored Number NDial Modifier Commands Voice/Data Dialing $VDPulse or Tone Dial P T Set Pulse Dial Ratios &PReturn to Command Mode After Dial Command Execution Reverse the Mode of Operation RAutomatic Pauses in Dialing Long Space Disconnect YCalling Card Detect Tones $ Quiet Answer @Phone Number Memory Commands Storing Phone Numbers D...NNumber Linking NN Listing Numbers Stored in Memory LConfiguration and Default Storage Commands Loading Factory Defaults &FModem Reset Z Async/Sync Mode Switching &M Unix Uucp Spoofing $SPSynchronous Transmit Clock Select &X Command Response Result Code Commands Echo Command Mode Characters EResult Codes Enable/Disable and No Response Answer Q Result Codes Multi-Tech or Standard AT &QResult Codes Basic and Extended and Call Progress Selection Phone Line Conditioning Commands Enable/Disable Trelis Coded Modulation #TGuard Tones Not Used in BAI Models &G Bell/V.21 ToneFallback Modes When On-Line #F Enable/Disable Lowspeed Fast Connect $FC 2834 Series onlyCleardown at Disconnect &CD 2834 Series only Auto Speed Detect #A 7 RS-232C Interface Control Commands Carrier Detect Control &CData Terminal Ready Control &D CTS Control &RData Set Ready Control &S CTS/RTS Interaction Control &RFDSR/CD Interaction Control &SF Error Correction Commands Normal Mode &E0Auto-Reliable Mode &E1 Reliable Mode &E2Mode Select #L Originate ModeAnswer Mode Auto-Reliable Buffering $AEnable/Disable Auto Reliable Fallback Character $F Error Correction/300bps $ERetransmit Count $R Flow Control Commands Hardware Flow Control &E4Xon/Xoff Flow Control &E5 Xon/Xoff Pass-Through &E7 Send Xon/Xoff Characters #XHewlett-Packard ENQ/ACK Pacing &E9 Normal Mode Modem Flow Control On &E11 Terminal/Computer Initiated Pacing &E13Maximum Block Size &BS Parity Selection #PNormal/Auto-Reliable/Reliable Mode Commands Xon/Xoff Pass-Through CommandsEnq/Ack Pacing Commands Speed Conversion Commands Speed Conversion $BAModem Baud Rate $MB Command Mode Series Serial Port Baud Rate $SB Immediate Action Commands Listing On-Line Diagnostics L8 Off Hook HLine Probe Commands 2834 Series only Force Answer Mode aExiting Command Mode, Going Back On-Line O MultiModemBA User Guide Registers Number of Rings Until Modem Answers Rings Which Have OccurredEscape Code Character Return CharacterTime for Carrier Abort Timer Line Feed CharacterBackspace Character Wait Time for Dial ToneS10 Carrier Loss Disconnect Delay Time S13 Remote Configuration Escape CharacterCarrier Detect Response Time S11 Tone Dialing Tone Spacing and DurationS15 Callback Time Delay S16 Callback AttemptsS17 Changing Break Time S24 PBX/CBX Disconnect Drop Time for DSR/CTS/CDS26 Failed Password Attempts S29 Local Inactivity TimerS30 Inactivity Timer S32 Time Elapse for Escape SequenceS36 Time Between DTR Inactive and Modem Off-Hook S37 Time Between DTR Active and Modem On-HookS48 Program V.34bis Connect Speeds 2834 Series only Reading and Assigning S-Register Values Examples of Assigning ValuesExamples of Reading Values AT Command and S-Register Summary MultiModemBA User Guide Callback Security and Remote Configuration Callback Feature Description Remote Configuration Description Callback Security and Remote ConfigurationTo change your Remote Configuration feature status To set parity of the password/message prompt AT#CBN0xxxxxxxxxxCRAT#CBN1xxxxxxxxxxCR Callback Operational Sequence Procedures Remote Configuration Procedures Remote Configuration Operation Procedures StepProcedureRemote Configuration and Callback Security AT Commands Assign Passwords for Callback Phone Numbers #CBNCallback Security Enable/Disable 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 DIP-Switch Option Settings DIP-Switch Settings109 Switch #4 AS/400 Mode Synchronous Mode/Leased Line/Dial-UP 932 Series110 111 112 113 Switch #16 Reserved for Future Use MultiModemBA User Guide Series114 Speaker Volume Control Recording Option ConfigurationsSwitch Function Position Effect 115DIP Switches #13-14 DIP Switches #15-16116 Warranty, Service and Tech Support Limited Warranty On-line Warranty Registration118 Service Warranty, Service and Tech SupportTech Support Recording Modem InformationMulti-Tech BBS To log on to the Multi-Tech BBSTo Download a file Using FlashPro to Upgrade Modem Firmware About the Multi-Tech Fax-Back ServiceUpgrading the MultiModem About Multi-Tech’s Internet PresenceAbout Ordering Accessories SupplyNet Online Ordering Instructions122 Appendixes Appendix a Troubleshooting None of the LEDs Light When the Modem Is OnModem Does Not Respond to Commands 124Appendix a Troubleshooting 125Modem Dials But Cannot Make a Connection 126Modem Cannot Connect When Answering Modem Disconnects While On-lineFile Transfer Is Slower Than It Should Be 127Am Losing Data Am Getting Garbage Characters on the Monitor128 Appendix B Ascii Conversion Chart 129Appendix C Dial Pulse and Tone-Dial Frequencies Dial PulsesTone Dial Frequencies 130Appendix D AT Command Summary Command Values Description$An #AnBS n $BA nCD n SN d$EBn #Fn$Fn 133$Hn #Ln$MBn 134NdNe $RnRFn Sr=n$SBn SFn$SPn #Tn$VDn #Xn137 Callback Security/Remote Configuration Command Summary +++ATCRPassword Command Summary 25bis CommandsAppendix E DIP-Switch Summary Asynchronous Mode140 Synchronous Mode Appendix E DIP-Switch Summary141 142 Appendix F S-Register Summary S29 S30S32 S34Appendix G Result Code Summary Appendix G Result Code SummaryTerse Digit Verbose Words Effect 145146 Delayed and Forbidden Numbers Appendix H V.25bis Operation25bis Operation Appendix H V.25bis Operation25bis DIP-Switches 25bis Set-Up and Initialization148 25bis Mode AT Commands 25bis Responses Result Codes149 25bis AT Commands Enable/Disable V.25bis Mode $V CommandChange Serial Baud Rate CSP Command Dial Phone Number Provided CRN CommandListing Delayed Phone Numbers RLD Command Listing Forbidden Phone Number RLF CommandDisregard or Connect to Incoming Calls DIC or CIC Command DTR Dialing $D CommandITU V.25bis Country Specific Information ItalySwitzerland AustriaAppendix H V.25bis Operation France BelgiumSingapore 153Appendix I MultiModemBA Cables Figure I-1. RS232 Cable IBM PCAppendix J RS-232C Interface Specifications Figure I-2. MAC Cable 155Appendix J RS-232C Interface Specifications Signal Function Assignment Circuit SourcePin Designation Eia 156Signal Ground Pin 7, SG AB Received Data Pin 3, RD BBRequest To Send Pin 4, RTS CA Clear To Send Pin 5, CTS CBRing Indicator Pin 22, RI CE Test Voltage Pin 9Transmit Clock Pin 15, TC DB Receive Clock Pin 17, RC DDTerminal Busy Out of Service Pin 25, OOS External Transmit Clock Pin 24, XTC159 EMC, Safety and Terminal Directive Compliance International Modem RestrictionsNew Zealand Telecom Warning Notice European Directives User Guide StatementFCC Regulations for Telephone Line Interconnection Appendix K Regulatory Information161 Canadian Limitations Notice Class a StatementFCC Part Industry CanadaIndex 163Functional Description of RS232C SIG 164165 166