Technics MT5634SMI-92, MT5634SMI-34 manual Registers, Register Unit Range Default Description

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Chapter 5 – AT Commands, S-Registers, and Result Codes

S-Registers

Certain modem values, or parameters, are stored in memory locations called S-registers. Use the S command to read or to alter the contents of S-registers (see previous section).

Register

Unit

Range

Default

Description

S0

1 ring

0, 1–255

1

Sets the number of rings until the modem answers. ATS0=0 disables

 

 

 

 

auto answer completely.

S1

1 ring

0–255

0

Counts the rings that have occurred.

S2

decimal

0–127

43 (+)

Sets ASCII code for the escape sequence character.

 

 

128–255

 

Values greater than 127 disable escape.

S3

decimal

0–127

13 (^M)

Sets the ASCII code for the carriage return character.

S4

decimal

0–127

10 (^J)

Sets the ASCII code for the line feed character.

S5

decimal

0–32

8 (^H)

Sets the ASCII code for the backspace character.

 

 

33–127

 

Values greater than 32 disable backspace.

S6

seconds

2–65*

2*

Sets the time the modem waits after it goes off-hook before it begins

 

 

 

 

to dial the telephone number.

S7

seconds

35-65*

50*

Sets the time the modem waits for a carrier signal before aborting a

 

 

 

 

call. Also sets the wait for silence time for the @ dial modifier.

S8

seconds

0–65

2

Sets the length of a pause caused by a comma character in a dialing

 

 

 

 

command.

S9

decimal

0, 1–127

37 (%)

Sets ASCII code for remote configuration escape character. S9=0

 

 

 

 

disables remote configuration.

S10

100 ms

1–254

20

Sets how long a carrier signal must be lost before the modem

 

 

 

 

disconnects.

S11

1 ms

50–150*

95*

Sets spacing and duration of dialing tones.

S28

decimal

0, 1–255

1

0 disables, 1–255 enables V.34 modulation.

S30

1 minute

0, 1–255

0

Sets the length of time that the modem waits before disconnecting

 

 

 

 

when no data is sent or received. A value of zero disables the timer.

 

 

 

 

See also the \T command

S35

decimal

0–1

1

0 disables, 1 enables the V.25 calling tone, which allows remote

 

 

 

 

data/fax/voice discrimination.

S36

decimal

0–7

7

Specifies the action to take in the event of a negotiation failure when

 

 

 

 

error control is selected. (See S48.)

S37

decimal

0–19

0

Sets the maximum V.34 “upstream” speed at which the modem

 

 

 

 

attempts to connect.

 

 

 

 

0

= maximum speed

 

 

 

 

1

= reserved

 

 

 

 

2

= 1200/75 bps

 

 

 

 

3

= 300 bps

 

 

 

 

4

= reserved

 

 

 

 

5

= 1200 bps

 

 

 

 

6

= 2400 bps

 

 

 

 

7

= 4800 bps

 

 

 

 

8

= 7200 bps

 

 

 

 

9

= 9600 bps

10 = 12000 bps

11 = 14400 bps

12 = 16800 bps

13 = 19200 bps

14 = 21600 bps

15 = 24000 bps

16 = 26400 bps

17 = 28800 bps

SocketModem Global MT5634SMI Developer’s Guide

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Contents MT5634SMI-34 MT5634SMI-92 Revisions Table of Contents Multi-Tech’s Flash Programming Protocol Appendix C Country Configuration and Result Codes Index Introduction Product Description SpecificationsProduct Description Features Matrix MT5634SMITechnical Specifications and Features TIA/EIA TR29.2MT5634SMI-IT-92 Industrial Temperature 3.3V Build Option StandardMechanical Specifications Physical Dimensions All ModelsPin # Signal Name I/O Type Description Pin ConfigurationsDigital Ground Tip Signal from Telco Ring Signal from TelcoActive High DCD status Active High RDX statusPin # Signal Description Name Dgnd GNDINT VCC PWRElectrical Characteristics Electrical CharacteristicsHandling Precautions Timing RequirementsTiming Requirements for Parallel Write Timing Requirements for Parallel ReadSocketModem Parallel Interface Internal Registers SocketModem Parallel Interface a Programmer’s DescriptionSocketModem Mimic MMM Operation Register Name Register Description Host Access Time Out Interrupts Register Functional DescriptionsInternal Registers Special Register Set Note *2IER Interrupt Enable Bit Priority Interrupt Source Interrupt Reset ControlRBR Receive Buffer RX Fifo THR Transmit Holding Register TX FifoLCR Line Control FCR Fifo ControlMCR Modem Control LSR Line Status MSR Modem StatusSCR Scratch DLL Divisor Latch LSByteDLM Divisor Latch MSByte Baud Rate Clock Divisor Decimal DLM Value HEX DLL Value HEXAT Commands, S-Registers Result Codes AT Command SummaryModulation Handshake Set Register ValueAT Commands Enter KeyDial string modifiers DS= y Dial Stored Telephone NumberReturn Online to Data Mode Sr= n Set Register Value Sr?XON/XOFF Pacing Control \An Select Maximum MNP Block Size Zy=x Store Dialing Command\Bn Transmit Break \Nn Error Correction Mode Selection \Tn Inactivity Timer\Kn Break Control Data mode. The modem receives the break from the computerDCn AT Command Control \Xn XON/XOFF Pass-Through$RPn Ring Priority vs. AT Command Priority $Dn DTR Dialing$EBn Asynchronous Word Length $MBn Online BPS Speed#CBDn Callback Delay Callback Failed Attempts Reset#CBIn Local Callback Inactivity Timer #CBNy=x Store Callback PasswordEscape AT Commands Commands +MS= Modulation SelectionSubparameters Modulation Possible rates bps1+PCW=n Call Waiting Enable +PMH=n Modem on Hold EnableMod value Valid maxrate values bps +PIG=n PCM Upstream Ignore +PMHF V.92 Modem Hook Flash +PMHT=n Modem on Hold Timer +PMHR=n Modem on Hold Initiate +PQC=n Quick Connect Control +VCID=n Caller ID Selection#Sx Enter Setup Password #S=x Store Setup PasswordRegister Unit Range Default Description RegistersS38 S48=7 S48=128Result Codes Terse Verbose Description111 Voice Commands Commands That Change for Voice Mode Support Voice CommandsVoice S-Register Summary Voice +V Commands Summary Voice +V Commands DetailCommand Description +FCLASS= mode Enter Select Modem Operating ModeAT+FCLASS=? Enter Display Service Class Capabilities Touch Tone Signals Digit Low frequency High frequency+FCLASS=8 Dtmf Detect Detect and Control Dtmf +VNH=hookEnter Automatic Hang-Up Control +FMI?Enter Report Manufacturers ID+FMM?Enter Report Product ID +FMR?Enter Report Version Level+VTS=string Produce Dtmf and Tone Generation in Voice Mode Enter Voice Receive State+VTS=? Report Frequency Support AT+VTS=?Start Voice Transmission Process +VGR=gain Set the Gain for Received Voice Samples+VGT=level Set the Volume for Transmitted Voice Samples +VIT=timer Set DTE/DCE Inactivity Timer+VLS=label Select Analog Source/Destination Code Description+VRA=interval Set Ring Back Goes Away Timer +VSD=sds,sdi Set Silence Detection Sensitivity +VRN=interval Set Ring Back Never Appeared Timer+VSM=cml,vsr,scs,sel Select Voice Compression Method AT+VSM=? +VSM=? Report Voice Compression MethodIdentifier Description +VDT=enable,report Control Tone Cadence Reporting Enable Report DescriptionLsltcq +VEM=mask Event Reporting and Masking +VEM=? Report Event Reporting and Masking CapabilitiesInterface Configuration Commands +VPP=enable Enable or Disable Voice Mode Packet Protocol+VBT=? Report Modem Flow Control Assert and Deassert Points AT+VBT=?Flow Control Voice Mode Result Codes+VPR=rate Select DTE/DCE Interface Rate Turn Off Autobaud Valid Complex Event Report Tags Unsolicited Voice Mode Result CodesTag Description Voice Mode Shielded Codes Shielded Code Hex Event Report DescriptionAscii Sample Sessions Command ResponseSample Rate Selection and Suggested Compression Method AT+VLS=4 AT+VTXDLE ETX AT+VLS=0AT+VLS=2 AT+VRXDLE NUL AT+VNH=1Related Manuals DTE/DCE Interface RatesAdditional Information Fax Commands Remote Configuration Country Code Configuration Remote ConfigurationBasic Procedure SetupCountry Code Configuration Using the Global Wizard UtilityUsing AT Commands Country AT Command Result Code Hexadecimal DecimalUpgrade Overview Firmware Upgrade ProcedureUpgrade Steps Download the Upgrade File Install the Flash WizardExtract the Firmware Upgrade .Hex Files Identify the Current Version of the FirmwareUsing the Flash Wizard Upgrade the Modem’s FirmwareRestore Your Parameters Multi-Tech Systems, Inc. Flash Programming Protocol Programming the ModemModem Comments Handshake SequenceOther Programming Concerns Other Supported Boot Code CommandsATI4 Intel Hex Format Data Record Char Pos Field Type Value DescriptionExample Extended Address Record in Intel Format End of File Record Char Pos Field Type Value DescriptionExample End of File in Intel Format Appendix a Mechanical Details Serial Test/Demo Board ComponentsSerial Test/Demo Board Block Diagram 5V / 3.3V Jumper JP1Address/COM Port/ IRQ Select Jumpers JP2 and JP3 Parallel Test/Demo Board ComponentsOperating Voltage Select Jumper JP4 Parallel Test/Demo Board Block Diagram Figure A-4. Parallel Test/Demo Board Block DiagramSafety and EMC Approvals Telecom ApprovalsRegulatory Design Considerations Hardware ConsiderationsSafety 5V Tolerant Inputs for 3.3V Modules FCC Part 15 Regulation Industry CanadaFCC Part 68 Telecom Telecom Labeling RequirementsFrom FCC Part 68 Subpart D Conditions for Registration ReregistrationFax Branding Statement Canadian Limitations NoticeEMC, Safety, and R&TTE Directive Compliance Industry Canada CS-03International Modem Restrictions Multiple ListingNew Zealand Telecom Warning Notice South African NoticeAppendix C Country Configuration Result Codes Country Country Config. hex ATI9 ResponseAppendix C Country Configuration and Result Codes Appendix C Country Configuration and Result Codes Appendix C Country Configuration and Result Codes Page Index Index Index Index
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