Multi-Tech Systems MT3334HD8 manual AT Commands

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3 AT Commands

CommPlete Communications Server

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Contents MT3334HD8 Modem User Guide Multi-Tech Systems, Inc Woodale Drive Mounds View, Minnesota CommPlete Communications Server Canadian Limitations Notice FCC Fax WarningTable of Contents Warranty, Service, and Technical Support Testing the MT3334HD8Appendix D Appendix FIntroduction Power Supplies LED IndicatorsIntroduction Manual OrganizationInstallation Data Rates Modem Technical SpecificationsIntroduction 2400 & 1200 bps MT3334HD8 User Guide Power Installation MT3334HD8 modem card Safety WarningsInstallation Procedure Pre-Installation NotesPage AT Commands Modes of Operation Working with AT CommandsCommand Structure Command Editing AT Commands by Function $BA Dial Modifier Commands Dialing CommandsDs Dial Continuous RedialWait for New Dial Tone Pulse or Tone DialingReturn to Command Mode After Dialing Rn Reverse Originate/Answer ModeDialing Pause Flash On-Hook@ Quiet Answer Phone Number Memory CommandsCall Card Tone Detect DsNd Store a Phone NumberWn Store Configuration Configuration Storage and Recall CommandsNdNe Number Linking List Stored Telephone NumbersReset Modem Modem Response Result Code CommandsFn Load Default Configuration Echo Command Mode Characters Result Codes Verbose/Terse An Answerback Online Connection Commands#An Auto Speed Detection Bn Answer ToneDTn Dtmf Detection DCn AT Command ControlCDn Cleardown at Disconnect Gn Guard Tones #Fn Fallback ModesHn Busy-Out After Disconnect Pn Set Pulse-Dial Ratios#Tn Trellis-Coded Modulation RDn Square Wave Ring Detect$Tn Calling Tone Fn Echo Canceler Frequency Offset Compensation CommandsYn Long Space Disconnect RAn Asymmetric Bit RateDn Data Terminal Ready Control RS-232 Interface CommandsCn Carrier Detect Control Sn Data Set Ready Control Rn Clear to Send ControlRFn CTS/RTS Interaction Control SFn DSR/CD Interaction ControlEn Error Correction Modes Error Correction and Data Compression Commands#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 $SBn Serial Port Baud Rate $MBn Modem Baud RateRepeat Last Command Immediate Action CommandsInquire Product Code L5, L7 List Current Operating ParametersFlow Control Commands En Non-Error Correction Mode Flow Control E3 Flow Control DisableE4 Hardware Flow Control E5 XON/XOFF Flow Control#Xn Number of Xoff Characters Sent En Pacing Computer-Initiated Flow ControlEscape Sequences Force Answer Mode+++ATCR In-Band Escape Sequence Breakatcr Out-of-Band Escape SequenceAtcr Remote Configuration Escape Sequence Remote Configuration Commands#Ixxxxxx Change Login Password Go Back Online#Syyyyyy Change Setup Password Line Probe CommandsDPn Read Line Probe Data DFn Format Line Probe DataTn Respond to Remote Digital Loopback Signal Diagnostic CommandsRP Immediate Line Probe Ln Display Line Probe DataUn Loopback Test Modes MT3334HD8 User Guide Registers S0 Number of Rings Until Modem Answers RegistersS1 Ring Count S2 Escape Code CharacterS4 Line Feed Character S7 Time for Carrier Abort TimerS5 Backspace Character S6 Wait Time for Dial ToneS13 Remote Configuration Escape Character S10 Carrier Loss Disconnect Delay TimeS9 Carrier Detect Response Time S11 Tone Dialing Spacing and DurationS34 Command Buffer Length After Online Escape Sequence S30 Inactivity TimerS24 PBX/CBX Disconnect Drop Time for DSR/CTS/CD S25 DTR Dropout TimeS37 DTR Busy-In Time S94 Out-of-Service TimeS43 Force V.34 Connect Speed S48 Maximum V.34 Connect SpeedReading and Assigning S-Register Values AT Commands that Affect S-RegistersExamples of Assigning Values Examples of Reading ValuesAT&E2$SP1#L3$R0$MB19200$SB115200$EB1S0=10&W0CR Testing the MT3334HD8 Local Analog Loopback Test V.54 Loop Test procedureRemote Digital Loopback Test V.54 Loop Testing the MT3334HD8Dial the remote modem and establish your online connection Local digital loopback test Local Digital Loopback Test V.54 LoopPage Warranty, Service, and Technical Support Service Limited WarrantyRecording Product Information Technical SupportDownloading a File Multi-Tech BBSLogging onto the Multi-Tech BBS Reading a Message About CompuServeLeaving a Message BulletinsAbout the Internet About the Multi-Tech Fax-Back ServiceUpgrading the MT3334HD8 Firmware Using FlashPro to Upgrade FirmwareMT3334HD8 User Guide Appendixes Ctrl Code HEX DEC Appendix a Ascii Conversion ChartTone Dial Frequencies Appendix B Dial Pulses and TonesDial Pulses Figure B-2. Standard Dtmf frequencies Multi-Tech Result Codes &Q0 Appendix C Result Code SummaryStandard AT Result Codes &Q1 Appendix D S-Register Summary Register Unit Range Default DescriptionSets fixed V.34 connect speed = 28800 bps Return Appendix E AT Command SummaryCDn 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 Remote Escape Character Changing the PasswordsIndex 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