Multi-Tech Systems MT3334HD8 manual Sets fixed V.34 connect speed = 28800 bps

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MT3334HD8 User Guide

Register	Unit	Range	Default	Description
S43	decimal	33, 31,	0	Sets fixed V.34 connect speed. 28 = 28800 bps;
		28, 26,		26 = 26400 bps;. . . 48 = 4800 bps. 0 default
		24, 21,		disables this feature.
		19, 16,
		14, 12,
		96, or 48
S48	decimal	33, 31,	0	Sets maximum V.34 connect speed. 33 = 33600 bps;
		28, 26,		31 = 31200 bps;. . . 48 = 4800 bps. 0 default
		24, 21,		disables feature (same as S48=33).
		19, 16,
		14, 12,
		96, or 48
S94	1 sec	0–254,	45	Sets the maximum time the modem remains out
		255		of service when *H1 is active. S94=255 causes
				the modem to remain out of service indefinitely,
				until it receives an enable from the management
				software.

* Values for International and Canadian modems only.

†Values for International modems only.

‡Values for UK modems only.

74	CommPlete Communications Server

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Contents MT3334HD8 Modem User Guide Multi-Tech Systems, Inc Woodale Drive Mounds View, Minnesota CommPlete Communications Server FCC Fax Warning Canadian Limitations NoticeTable of Contents Testing the MT3334HD8 Warranty, Service, and Technical SupportAppendix D Appendix FIntroduction LED Indicators Power SuppliesIntroduction Manual OrganizationInstallation Technical Specifications Data Rates ModemIntroduction 2400 & 1200 bps MT3334HD8 User Guide Power Installation Safety Warnings MT3334HD8 modem cardPre-Installation Notes Installation ProcedurePage AT Commands Modes of Operation Working with AT CommandsCommand Structure Command Editing AT Commands by Function $BA Dialing Commands Dial Modifier CommandsDs Dial Continuous RedialPulse or Tone Dialing Wait for New Dial ToneRn Reverse Originate/Answer Mode Return to Command Mode After DialingDialing Pause Flash On-HookPhone Number Memory Commands @ Quiet AnswerCall Card Tone Detect DsNd Store a Phone NumberConfiguration Storage and Recall Commands Wn Store ConfigurationNdNe Number Linking List Stored Telephone NumbersReset Modem Modem Response Result Code CommandsFn Load Default Configuration Echo Command Mode Characters Result Codes Verbose/Terse Online Connection Commands An Answerback#An Auto Speed Detection Bn Answer ToneDTn Dtmf Detection DCn AT Command ControlCDn Cleardown at Disconnect #Fn Fallback Modes Gn Guard TonesHn Busy-Out After Disconnect Pn Set Pulse-Dial Ratios#Tn Trellis-Coded Modulation RDn Square Wave Ring Detect$Tn Calling Tone Commands Fn Echo Canceler Frequency Offset CompensationYn Long Space Disconnect RAn Asymmetric Bit RateDn Data Terminal Ready Control RS-232 Interface CommandsCn Carrier Detect Control Rn Clear to Send Control Sn Data Set Ready ControlRFn CTS/RTS Interaction Control SFn DSR/CD Interaction ControlError Correction and Data Compression Commands En Error Correction Modes#Ln V.42 Error Correction Modes En Data Compression$An Auto-Reliable Buffering $En V.42 Error Correction at 300 bps$Fn Auto-Reliable Fallback Character Enable/Disable $Rn Retransmit Count Speed Conversion Commands$BAn Baud Adjust $MBn Modem Baud Rate $SBn Serial Port Baud RateImmediate Action Commands Repeat Last CommandInquire Product Code L5, L7 List Current Operating ParametersFlow Control Commands E3 Flow Control Disable En Non-Error Correction Mode Flow ControlE4 Hardware Flow Control E5 XON/XOFF Flow ControlEn Pacing Computer-Initiated Flow Control #Xn Number of Xoff Characters SentForce Answer Mode Escape Sequences+++ATCR In-Band Escape Sequence Breakatcr Out-of-Band Escape SequenceRemote Configuration Commands Atcr Remote Configuration Escape Sequence#Ixxxxxx Change Login Password Go Back OnlineLine Probe Commands #Syyyyyy Change Setup PasswordDPn Read Line Probe Data DFn Format Line Probe DataDiagnostic Commands Tn Respond to Remote Digital Loopback SignalRP Immediate Line Probe Ln Display Line Probe DataUn Loopback Test Modes MT3334HD8 User Guide Registers Registers S0 Number of Rings Until Modem AnswersS1 Ring Count S2 Escape Code CharacterS7 Time for Carrier Abort Timer S4 Line Feed CharacterS5 Backspace Character S6 Wait Time for Dial ToneS10 Carrier Loss Disconnect Delay Time S13 Remote Configuration Escape CharacterS9 Carrier Detect Response Time S11 Tone Dialing Spacing and DurationS30 Inactivity Timer S34 Command Buffer Length After Online Escape SequenceS24 PBX/CBX Disconnect Drop Time for DSR/CTS/CD S25 DTR Dropout TimeS94 Out-of-Service Time S37 DTR Busy-In TimeS43 Force V.34 Connect Speed S48 Maximum V.34 Connect SpeedAT Commands that Affect S-Registers Reading and Assigning S-Register ValuesExamples of Assigning Values Examples of Reading ValuesAT&E2$SP1#L3$R0$MB19200$SB115200$EB1S0=10&W0CR Testing the MT3334HD8 Test procedure Local Analog Loopback Test V.54 LoopTesting the MT3334HD8 Remote Digital Loopback Test V.54 LoopDial the remote modem and establish your online connection Local Digital Loopback Test V.54 Loop Local digital loopback testPage Warranty, Service, and Technical Support Limited Warranty ServiceTechnical Support Recording Product InformationDownloading a File Multi-Tech BBSLogging onto the Multi-Tech BBS About CompuServe Reading a MessageLeaving a Message BulletinsAbout the Multi-Tech Fax-Back Service About the InternetUsing FlashPro to Upgrade Firmware Upgrading the MT3334HD8 FirmwareMT3334HD8 User Guide Appendixes Appendix a Ascii Conversion Chart Ctrl Code HEX DECTone Dial Frequencies Appendix B Dial Pulses and TonesDial Pulses Figure B-2. Standard Dtmf frequencies Appendix C Result Code Summary Multi-Tech Result Codes &Q0Standard AT Result Codes &Q1 Register Unit Range Default Description Appendix D S-Register SummarySets fixed V.34 connect speed = 28800 bps Appendix E AT Command Summary ReturnCDn AT Command Summary $Fn Command Values Description Command Values Description $MBn RAn Command Values Description SFn Command Values Description #Vn Breakatcr Setup Appendix F Remote ConfigurationBasic Procedure Changing the Passwords Changing the Remote Escape CharacterIndex MT3334HD8 User Guide Index Long space break Pacing, 36, 37, 38 enable/disable, 38 ENQ/ACK Commands Loopback tests, 42, 43, 54, 56 tone detection