Multi-Tech Systems MT3334SMI specs

ModemModule Developer’s Guide

Table 3-2. Single-Page Class 1 Transmit Example

		Action by	Action by
Command	Respone	Local Modem	Remote PC
AT+FCLASS=1	OK	Set Class 1
ATD<string>		Dial and send CNG	Answers
		Look for V.21	Sends CED, V.21
		Detect flags	Sends HDLC flags
	CONNECT	Detect flags
	<NSF frame>	Get CSI	Send CSI packet
	<DLE><ETX>		Send NSF packet
	OK
AT+FRH=3
	CONNECT Detect flags
	<CSI frame data>	Get CSI	Send CSI packet
	<DKE><ETX>	Get FCS
	OK	Accept FCS	Check FCS
AT+FRH=3
	CONNECT	Detect flags
	<DIS> frame data	Get DIS	Send DIS packet
	<DKE><ETX>	Get CRC
	OK	Accept FCS Check FCS
AT+FRH=3	NO CARRIER	Detect loss of carrier	Drop carrier
AT+FTH=3		Send V.21 carrier	Detect carrier
	CONNECT	Send flags	Detect flags
		Send TSI frame	Get TSI frame
<TSI frame data>		Send FCS
<DLE><ETX>	CONNECT	Send flags
		Send DCS frame	Send DCS frame
<DCS frame data>		Send FCS, flags
<DLE><ETX>	OK	Drop carrier
AT+FTS=8; +FTM=96		Wait 80 msec
	CONNECT	Send V.29 carrier	Detect carrier
<TCF data pattern>		Send TCF data	Get TCF data
<DLE><ETX>	OK	Drop carrier
AT+FRH=3		Detect carrier	Send V.21 carrier
	CONNECT	Detect flags	Send flags
	<CFR frame data>	Get CFR frame	Send CFR frame
	<DLE><ETX>	Check FCS	Send CRC
	OK	Accept FCS
AT+FRH=3	NO CARRIER	Detect loss of carrier	Drop carrier
AT+FTM=96	CONNECT	Send V.29 carrier	Detect carrier
<page image data>		Send page data	Receive page
<DLE><ETX>	OK	Drop carrier
AT+FTS=8; +FTH=3		Wait 80 msec
		Send V.21 carrier	Detects carrier
	CONNECT	Send flags	Detects flags
<EOP frame data>		Send EOP frame	Receives EOP
<DLE><ETX>		Send FCS
	OK	Drop carrier	(Final frame)
AT+FRH=3		Detect carrier	Send V.21 carrier
	CONNECT	Detect flags	Send flags
	<MCF frame data>	Get MCF frame	Send MCF frame
	<DEL><ETX>	Check FCS Send FCS
	OK	Accept FCS
AT+FRH=3	NO CARRIER	Detect carrier loss	Drop carrier
AT+FTH=3		Send V.21 carrier	Detects carrier
	CONNECT	Send flags	Detect flags
<DCN packet>		Send DCN frame	Receives DCN
<DLE><ETX>		Send FCS
	OK	Drop carrier
ATH0	OK	Hang up	Hangup

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MT3334SMI

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Multi-Tech Systems MT3334SMI manual Action by Command Respone Local Modem Remote PC

Contents

Model MT3334SMI Evaluation Kit Data/Fax Socketed Modem Revision Description Patents Contents Index Introduction and Description Product Description FeaturesIntroduction ModemModule Developer’s Guide Technical Specifications Introduction and Description 1200 bps Physical Dimensions MT3334SMI Physical Dimensions LED1-LED4 Test/Demo Board SpecificationsDS1 Test/Demo Board Block Diagram MT3334SMI Test/Demo Board Block Diagram MT3334SMI Pin-out MT3334SMI Pinout Typical Application MT3334SMI Design Considerations Hardware Considerations Recommended Transceiver PC Board Layout ConsiderationsCalculating Z for Tip and Ring Traces Qty Name Description MT3334SMI PlacementKey Telecom Labeling Requirements FCC Part Multiple Listing ReregistrationIndustry Canada CS-03 AT Commands, S-Registers, and Result Codes Repeat Last Command Answer AT Commands, S-Registers, and Result Codes Return Online to Data Mode Monitor Speaker VolumeMonitor Speaker Mode Result Codes Enable/Disable Tone Dialing Modem ResetSr? Read Register Value Result Code Format Display Current Settings Command &Fn Load Factory SettingsAsynchronous Communications Mode Store Current Configuration \Bn Transmit Break Command &Zy=x Store Dialing Command\An Select Maximum MNP Block Size \Jn Data Buffer Control \Qn Flow Control Selection \Nn Error Correction Mode Selection\Tn Inactivity Timer \Vn Protocol Result Code Command +ES=n Enable Synchronous Buffered Mode Command %DCn AT Command ControlCommand %En Fallback and Fall Forward Control Enter Setup Password Register Unit Range Default Description Registers S43 Result Codes Terse Verbose Description Class 1 Fax Commands Class 1 Fax Command Summary Command Description Function Display Current Class Values Default Data modem Class 1 Fax Commands Fax MOD Modulation Parameter ValuesCommand Result Code Meaning Function ModemModule Developer’s Guide CommandFunction Select Service Class Values Default Data mode Class 1 Fax Commands +FRS=? Enter +FRM=? Enter Sample Sessions Flow ControlResult Codes Action by Command Respone Local Modem Remote PC AT+FRH=3 No Carrier ModemModule Developer’s Guide Class 2 Fax Commands +FAA Class 2 Fax Command ImplementationClass 2 Fax Commands EIA SP-2388 August +FAXERR +FCR +FBOR+FCQ +FDCS +FDCCFax Capability Parameters Current Session Results +FDIS +FDFFCData Compression Format Conversion Current Session Parameters +FECM +FDR+FDT +FET +FLNFC +FK+FLID +FLPL +FREL +FPTS+FRBC +FSPL +FHNG +FTSI MT3334SMI Remote Configuration Changing the Setup Password Basic ProcedureSetup ModemModule User Guide Remote Configuration Changing the Remote Escape Character MT3334SMI Troubleshooting Test procedure Local Analog Loopback Test V.54 Loop Troubleshooting Remote Digital Loopback Test V.54 Loop Local Digital Loopback Test V.54 Loop Local digital loopback test Upgrade Procedure Identify the Current Firmware Version Upgrade OverviewIdentify the Modem Firmware Multi-Tech Web Site Multi-Tech BBS Download the Upgrade FileUpgrade Procedure Restore Your Parameters Extract the Upgrade FilesUse FlashPro to Upgrade Modem Firmware Clear Your Stored Paramenters Appendixes MT3334SMI Canadian Limitations Notice FCC FAX UpdateInternational Modem Restrictions Appendixes New Zealand Telecom Warning Notice EMC, Safety and Terminal Directive ComplianceEuropean Directives User Guide Statement Programming the Modem Appendix B Multi-Tech Flash Programming ProtocolIntroduction Handshake Sequence ModemModule Developer’s Guide Program Sequence Other supported boot code commandsOther programming concerns Xxxx Intel Hex FormatData Record Eeee Extended Address RecordEnd of File Record Index Index MT3334SM MT3334SMI MT3334SM