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Multi-Tech Systems MT2834BA, MT2834BL manual S48 Program V.34bis Connect Speeds

Models: MT2834BL MT2834BA

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Page 65

Chapter 6 - S-Registers

S48

Program V.34bis Connect Speeds

Unit:	N/A
Range:	33, 31, 28, 26, 24, 21,19,16,14,12, 96 and 48
Default:	0
Description:	Defines which speed modem connects within the scope of Enhanced V.34 mode
	(e.g., S48 = 26 means maximum connect speed is 26.4K). This register
	compensates for line conditions that have trouble supporting higher Enhanced V.34
	speeds (e.g., 33.6K, 31.2K, 28.8K, 26.4K, 24K...). The modem default is a value of 0,
	which indicates a connection attempt of 33.6K.

Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide

65

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Multi-Tech Systems MT2834BA, MT2834BL manual S48 Program V.34bis Connect Speeds

Contents

User Guide Record of Revisions Date Description User GuidePatents TrademarksContents Index 117 RegistersIntroduction and Description Introduction How To Use This ManualModem Features Fax Features 1 MT2834BA/BL Series FeaturesTechnical Specifications Power MT2834BA LED Display Modem LED IndicatorsControls on PC Board Installation and Connection Installation What Is in Your Modem Package?Safety Warnings Installation ProcedureMultiModemBA Connections Is Your Modem Ready for Use? Installing PhoneTools, the Data Communications SoftwareSoftware Configuration and Modem Basics Configuring Software for Your Modem Configuring Your SoftwareSoftware Configuration PC Initialization StringsConfiguring Software for Your Computer Changing Default ParametersOther Parameters AT &F S0=0 &F9 &W0 CRSimple Operations Answer/Originate Voice/Data Toggle SwitchModem Basics Manual Dial and Automatic Answer Manual Dial and Automatic Answer Dialing/On-Line/AnsweringAutomatic Leased Line Restoral Operation Manual Dial Backup Call TerminationDial Backup and Leased Line Restoral Manual Call Origination Dial-Up OperationManual Answering Automatic AnsweringCall Termination Abort TimerHandshaking Details Command Mode Functional Modes AT Command EditingCommand Mode Functional Modes Summary of AT CommandsStore Modem Configure Data Standard AT Result Codes Result CodesMulti-Tech Result Codes Dialing Action Commands Dialing CommandsVoice/Data Dialing $VD Dial Modifier CommandsPulse or Tone Dial P T Set Pulse Dial Ratios &PReverse the Mode of Operation R Return to Command Mode After Dial Command ExecutionAutomatic Pauses in Dialing Long Space Disconnect YQuiet Answer @ Calling Card Detect Tones $Storing Phone Numbers D...N Phone Number Memory CommandsNumber Linking NN 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 Echo Command Mode Characters E Command Response Result Code CommandsResult Codes Enable/Disable and No Response Answer Q Result Codes Multi-Tech or Standard AT &QResult Codes Basic and Extended and Call Progress Selection Enable/Disable Trelis Coded Modulation #T Phone Line Conditioning CommandsGuard Tones Not Used in BAI/BLI Models &G Bell/V.21 ToneEnable/Disable Lowspeed Fast Connect $FC Fallback Modes When On-Line #FCleardown at Disconnect &CD Auto Speed Detect #ACarrier Detect Control &C 7 RS-232C Interface Control CommandsData Terminal Ready Control &D CTS Control &RDSR/CD Interaction Control &SF Data Set Ready Control &SCTS/RTS Interaction Control &RF Normal Mode &E0 Error Correction CommandsAuto-Reliable Mode &E1 Reliable Mode &E2Auto-Reliable Buffering $A Mode Select #LRetransmit 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 Terminal/Computer Initiated Pacing &E13 Normal Mode Modem Flow Control On &E11Maximum Block Size &BS 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 Serial Port Baud Rate $SB Immediate Action Commands Off Hook H Listing On-Line Diagnostics L8Exiting Command Mode, Going Back On-Line O Line Probe CommandsForce Answer Mode a Registers Rings Which Have Occurred Number of Rings Until Modem AnswersEscape Code Character Return CharacterLine Feed Character Time for Carrier Abort TimerBackspace Character Wait Time for Dial ToneS13 Remote Configuration Escape Character S10 Carrier Loss Disconnect Delay TimeCarrier Detect Response Time S11 Tone Dialing Tone Spacing and DurationS19 MT2834BL Only Dial-Back Timer S15 Callback Time DelayS16 Callback Attempts S17 Changing Break TimeS29 Local Inactivity Timer S26 Failed Password AttemptsS24 PBX/CBX Disconnect Drop Time for DSR/CTS/CD S25 DTR Dropout TimeS32 Time Elapse for Escape Sequence S30 Inactivity TimerS36 Time Between DTR Inactive and Modem Off-Hook S37 Time Between DTR Active and Modem On-HookS48 Program V.34bis Connect Speeds Examples of Reading Values Reading and Assigning S-Register ValuesExamples of Assigning Values AT Command and S-Register Summary Callback Security and Remote Configuration Callback Security and Remote Configuration Callback Feature DescriptionTo change your Remote Configuration feature status Remote Configuration DescriptionAT#CBN0xxxxxxxxxxCR To set parity of the password/message promptCallback Operational Sequence Procedures Remote Configuration Operation Procedures Remote Configuration ProceduresRemote Configuration and Callback Security AT Commands Remote Configuration/Callback Security S-Registers DIP-Switch Settings MT2834BA PC Board Dip-Switch SettingsDIP-Switch Option Settings Switch #4 AS/400 Mode Synchronous Mode/Leased Line/Dial-UP = Down Down Dip-Switch Settings Speaker Volume Control Switch Function Position Effect Recording Option ConfigurationsDIP Switches #15-16 MT2834BL DIP Switches #13-14DIP Switches #15-16 MT2834BA Warranty, Service and Tech Support Warranty, Service, and Technical Support Multi-Tech Systems, Inc. Warranty & Repairs PoliciesRepair Procedures for International Distributors Online Warranty RegistrationTechnical Support Replacement PartsInternet Sites Country TelephoneAppendixes Appendix a Upgrading Your Modem’s Firmware Upgrade OverviewAppendix a Upgrading Your Modem’s Firmware Download the Upgrade File Upgrade the Modem’s Firmware None of the LEDs Light When the Modem Is On Appendix B TroubleshootingModem Does Not Respond to Commands Appendix B TroubleshootingAppendix B Troubleshooting Modem Dials But Cannot Make a Connection Modem Disconnects While On-line Modem Cannot Connect When AnsweringFile Transfer Is Slower Than It Should Be Am Losing DataAm Getting Garbage Characters on the Monitor Command Values Description Appendix C AT Command SummaryAppendix C AT Command Summary Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 100 DsNdMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide 101 $FCn MT2834BLMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide 102 $MBnMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide 103 $SBnMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide 104 Dial ToneCallback Security/Remote Configuration Command Summary 25bis Commands Password Command SummaryAppendix D V.25bis Operation Delayed and Forbidden Numbers25bis Operation Appendix D V.25bis Operation25bis DIP-Switches 25bis Mode AT Commands25bis Set-Up and Initialization Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 108Enable/Disable V.25bis Mode $V Command 25bis AT CommandsChange Serial Baud Rate CSP Command 25bis Responses Result CodesListing Delayed Phone Numbers RLD Command Dial Phone Number Provided CRN CommandListing Forbidden Phone Number RLF Command Disregard or Connect to Incoming Calls DIC or CIC CommandITU V.25bis Country Specific Information Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 112 Appendix D V.25bis Operation BelgiumSingapore Appendix E MultiModemBA/BL Cables Appendix E MultiModemBA CablesFCC Part Appendix F Regulatory InformationFCC Part 68 Telecom Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 115 Canadian Limitations NoticeMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide 116 South African NoticeMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide 117 IndexMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide 118 91-116Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 119 PBX/CBX Disconnect Drop Time for DSR/CTS/CD63