Send FCS Accept FCS Final frame | Multi-Tech Systems MT5634SMI V.34

Chapter 2 – Fax Class 1 and 1.0 Commands

DTE Commands		Modem Responses	Local Modem Action	Remote Station Action	Notes
AT+FRH=3	NO CARRIER		detect loss-of-carrier	drop carrier
AT+FRH=3		CONNECT	send V.21 carrier	detect carrier
		CONNECT	send flags	detect flags
<MCFame data>			get MCF frame	receive MCF frame
<DLE><ETX>			send FCS
			accept FCS
		OK			final frame
AT+FRH=3		CONNECT	detect carrier	send V.21 carrier
		CONNECT	detect flags	send flags
		<DCN frame data>	receive DCN	send DCN frame
		<DLE><ETX>	receive FCS	send FCS
		OK	accept FCS		frame OK
AT+FRH=3	NO CARRIER		detect loss-of-carrier	drop carrier	end of session

ATH0		OK	hang up

Multi-Tech Systems, Inc. SocketModem MT5634SMIxx Reference Guide (S000263C)

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Multi-Tech Systems MT5634SMI V.34, MT5634SMI V.92 manual Send FCS Accept FCS Final frame

MT5634SMI V.34, MT5634SMI V.92 specifications

The Multi-Tech Systems MT5634SMI is a versatile and robust external modem designed to cater to a variety of communication needs. As a V.92/V.34 standard modem, it provides reliable and efficient data connections for both home and business users. Its unique blend of features and technologies makes it an excellent choice for users looking to achieve optimal performance in their data transmission.

One of the standout features of the MT5634SMI is its support for the V.92 standard, which offers faster throughput and enhanced performance compared to prior standards. With V.92, users can experience download speeds of up to 56 Kbps and upload speeds reaching 48 Kbps. This improved speed is particularly beneficial for users who frequently download large files or engage in data-intensive activities.

The modem also includes the V.34 technology, which further enhances its capabilities by improving connection reliability and data integrity over various line conditions. Utilizing advanced error correction and data compression techniques, the V.34 modem ensures a smoother and faster communication experience. This makes it ideal for users in areas with fluctuating line quality or those who require stable connections for online conferencing or telecommuting.

In terms of form factor, the MT5634SMI is an external modem, which allows for easy installation and portability. Its compact design ensures it can fit into any workspace without taking up much room or adding clutter. The modem connects to computers via standard serial ports, making it compatible with a wide range of devices, both modern and legacy.

Additional features of the MT5634SMI include built-in diagnostics to assist troubleshooting and ensure smooth operation. It supports multiple operating environments, catering to users operating on various systems, providing versatility for both home and office settings. The modem's compatibility with popular operating systems guarantees that users can easily integrate it into their existing setups without a hassle.

In conclusion, the Multi-Tech Systems MT5634SMI V.92/V.34 modem stands out as a reliable choice for anyone needing high-speed internet connectivity. With its strong feature set, enhanced technologies, and user-friendly design, it is an asset for enhancing communication and data transfer capabilities. Whether for personal use or business applications, the MT5634SMI delivers performance and reliability, making it a valuable addition to any technology arsenal.

Contents

SocketModem SocketModem Reference Guide Contents 103 Introduction AT Commands, S- Registers and Result Codes Command Description AT Command Summary # Cbfr AT Commands, S-Registers and Result Codes AT Commands Command Echo Online Data Characters Command DialCommand DS=y Dial Stored Telephone Number Command Echo Command Mode Characters Command On Return Online to Data Mode Command Information RequestCommand Monitor Speaker Mode Command Modulation Handshake Command Result Code Format Command Sr=n Set Register ValueCommand Sr? Read Register Value Command Tone Dialing Command Load Factory Settings Command Data Carrier Detect DCD ControlCommand Data Terminal Ready DTR Control Command XON/XOFF Pacing Control Command Data Set Ready DSR Control Command Leased Line OperationCommand Pulse Dial Make-to-Break Ratio Selection Command Asynchronous Communications Mode Command \An Select Maximum MNP Block Size Command Display Current SettingsCommand Store Current Configuration Command Zy=x Store Dialing Command Command \Tn Inactivity Timer Command \Kn Break ControlCommand \Nn Error Correction Mode Selection Command \Qn Flow Control Selection Command Adaptive Answer Result Code Enable Command \Vn Protocol Result CodeCommand \Xn XON/XOFF Pass-Through Command Data Calling Tone Command Command Speed Response Command Fallback and Fall Forward ControlCommand Direct Connect Enable Command Cisco Configuration +VDR? Command $RPn Ring Priority vs. AT Command PriorityCommand $SBn Serial Port Baud Rate Command +VDR=x, y Distinctive Ring Report Command #CBIn Local Callback Inactivity Timer Command #CBAn Callback AttemptsCommand #CBDn Callback Delay Callback Failed Attempts Reset Command #Sx Enter Setup Password Command #CBRy Callback Security ResetCommand #CBSn Callback Enable/Disable Command #Pn Set 11-bit Parity S13 Escape AT CommandsCommand +++ATCR Escape Sequence Command Atmtsmodemcr Remote Configuration Escape Sequence Modulation Possible rates bps1 CommandsCommand +MS= Modulation Selection Mod value Valid maxrate values bps Command +PCW=n Call Waiting EnableCommand +PIG=n PCM Upstream Ignore Command +PMH=n Modem on Hold Enable Modem Hook Flash Command +PMHR=n Modem on Hold InitiateCommand +PMHT=n Modem on Hold Timer Command +VCID=n Caller ID Selection Command +PQC=n Quick Connect Control #CBF? Description Enters the callback security setup password Registers S43 S37S38 S108 S48S48=7 S48=128 S89 Terse Verbose Description Result Codes 112 Characters Detected Action Taken Fax I/O ProcessingDTE-to-Modem Transmit Data Stream Modem-to-DTE Receive Data Stream Fax Control Transmission Fax Mode SelectionFax Origination Fax Answering Fax Control Reception Fax Data Reception Fax Data Transmission Mode Commands Commands and ParametersMode Entry Commands Fax Class 1 and Fax Class 1.0 Modulation Modes and Rates CommandMod Modulation Training Modulation Mode and Rate Transmit Facsimile Command +FRM Receive Facsimile Command +FRH Receive Data with Hdlc Framing Command FTH Transmit Data with Hdlc Framing Command +FCL Carrier Loss Timeout Service Class 1 CommandsCommand +FAR Adaptive Reception Control +FIT DTE Inactivity Timeout+FDD Command +FMR? Request Revision Identification Command +FPR Fixed DTE RateCommand +FMI? Request Manufacturer Identification Command +FMM? Request Model Identification Command +FLO Flow Control Fax Class 1 Calling Sequence Transmitting a Single Examples Fax Class 1 Answering Sequence Receiving a Single Send FCS Accept FCS Final frame Fax Class 2 and 2.0/2.1 Commands +FCLASS=2.1 AT Command Implementation Modes of Interaction AT Command Mode +Fparameternamevalue Data Transfer Mode Command Execution ModePage Fax Parameter DLE Character to Precede Image Data Depends on the capability to receive set by +FCR Commands and Responses OverviewAction Commands For example AT+FCLASS=2 Class Response description Modem Responses Class Mandatory parameter description Parameters for Mandatory Services Class Optional parameter description Parameters for Optional Services +FCLASS? Identification CommandsService Class Indication Service Class Capabilities Request Revision Identification Service Class SelectionRequest Manufacturer Identification Request Model Identification ATD Action CommandsOriginate a Call Answer a Call Class +FET=n Data TransmissionPost-Page Message Release +FDT Initialize Facsimile Parameters Data ReceptionSession Termination +FCON Phase a Negotiation ResponsesModem Responses +FCO +FPO Phase B Negotiation ResponsesClass +FCS, +FIS, +FTC +FDCS, +FDIS +FDTC +FNSF, +FNSS, +FNSC Class +FTI, +FCI, +FPI+FTSI, +FCSI, +FCIG Class +FNF, +FNS, +FNC +FPASEP string Report Addressing or Password StringsClass +FSA, +FPA, +FPW +FSASUB string +FPTS Phase C Page Reception Responses+FPS +FHS Phase D Post Page ResponsesCall Termination with Status +FET Class Cause Hang-up Status Codes C0-DF +FDCC= Parameter CommandsSession Parameters +FCC= +FDCS? +FIS=+FDIS= +FCS? CRLF0-1,0-3,0-4,0-2,0,0,0,0-7,0CRLF Session Subparameters Label Function Class 2.0/2.1 Description T.30 Session Subparameter Codes Function Class 2.0/2.1 Description +FCIG +FLI+FLID +FPI +FSP +FNS+FLP +FLPL Capability to Receive +FCR+FBU +FBUG Address & Polling Capabilities +FNR+FAP Negotiation Reporting + FPA = selective Polling Address string + FPW = Password stringAddressing & Polling Frames + FSA = destination Subaddress string Transfer Status Procedure Control Parameters Copy Quality Checking +FCQ Receive Quality Thresholds +FRQ+FBADMUL +FBADLIN Adaptive Answer Host Phase C Response Timeout, +FCT+FPHCTO, Host Phase C Response Time-out +FAA +FMINSP Class 2.0/2.1 not supported+FAXERR Class 2.0/2.1 +FMS Class 2.0/2.1 +FEA Phase C Data Format ParametersClass 2.0/2.1 +FBO +FBOR Format conversion, +FFC Class 2.0/2.1 Data Compression Format Conversion, +FDFFC Vertical Resolution Format Conversion +FVRFCClass 2.0/2.1 Not Applicable Write syntax +FVRFC=value FWDFC=1 Fax Flow Control, +FLOWidth Format Conversion, +FWDFC FWDFC=0 Header Generation, AT+FPH Set Current Time and Date, AT+FTD Buffer Size, +FBS Class 2.1 only Miscellaneous Parameters Syntax +FHTtransmitted Hdlc frame octets Session Message Report ResponsesReport Transmit Hdlc Frames, +FHT Report Received Hdlc Frames, +FHR Sample Modem Control Sessions Send two pages, 1-D data, no errors Class Receive two pages, 1-D data, no errors Class AT+FCLASS=2.0 Ring Host Modem Local Modem Remote Station Commands AT+FCLASS=2.1 100 Alphabetic List of Commands and Responses 101 102 Ascii Conversion Chart 103 Voice Commands Voice S-Register Summary Voice CommandsCommands That Change for Voice Mode Support Command +FCLASS= mode Enter Select Modem Operating Mode Voice +V Commands SummaryVoice +V Commands Detail ¾R is Ring Command +FCLASS=8 Dtmf Detect Detect and Control DtmfTouch Tone Signals Digit Low frequency High frequency AT+FCLASS=8 Command +FMR?Enter Report Version Level Command +VNH=hookEnter Automatic Hang-Up ControlCommand +FMI?Enter Report Manufacturers ID Command +FMM?Enter Report Product ID 108 Enter Voice Receive State 109 Command +VTS=? Report Frequency SupportAT+VTS=? 110 Command +VGR=gain Set the Gain for Received Voice SamplesCommand +VIT=timer Set DTE/DCE Inactivity Timer Start Voice Transmission Process 111 Command +VLS=label Select Analog Source/DestinationCode Description 112 Command +VRA=interval Set Ring Back Goes Away TimerCommand +VRN=interval Set Ring Back Never Appeared Timer AT+VLS=? 113 Command +VSD=sds,sdi Set Silence Detection Sensitivity 114 Command +VSM=cml,vsr,scs,sel Select Voice Compression Method Lsltcq Command +VSM=? Report Voice Compression MethodAT+VSM=? Identifier Description 116 Enable report Description 117 Command +VDT=enable,report Control Tone Cadence ReportingCommand +VEM=mask Event Reporting and Masking 118 119 Interface Configuration CommandsAT+VBT=? 120 Busy Dialtone Voice Mode Result CodesFlow Control Terse Verbose 122 Unsolicited Voice Mode Result CodesValid Complex Event Report Tags Tag Description 123 Voice Mode Shielded CodesShielded Code Hex Event Report Description 124 Ascii 125 Command ResponseSample Sessions Sample Rate Selection and Suggested Compression Method 126 127 128 DTE/DCE Interface Rates 129 Remote ConfigurationBasic Procedure Setup Country AT Command Result Code Hexadecimal Decimal Country Code ConfigurationUsing the Global Wizard Utility Using AT Commands 131 Index 132 Callback Attempts command #CBA +FSA 133 +FTH Transmit Data with Hdlc Framing 134 135 Parity, setting 136 Procedure Control Parameters

Local Modem Action

AT+FRH=3

send FCS

accept FCS

final frame

AT+FRH=3

MT5634SMI V.34, MT5634SMI V.92 specifications