Multi-Tech Systems MT5634ZBA-DID manual Registers, Register Unit Range Default Description

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MultiModemDID User Guide	Chapter 4 - AT Commands, S-Registers, 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	0–255	1	Sets the number of rings until the modem
				answers. ATS0=0 disables autoanswer
				completely. Range varies by country. Set
				S0=2 for Caller ID.
S1	1 ring	0–255	0	Counts the rings that have occurred.
S2	decimal	0–255	43 (+)	Sets ASCII code for the escape sequence
				character. 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 line feed character.
S5	decimal	0–127	8 (^H)	Sets the ASCII code for the backspace
				character. Values over 32 disable it.
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	1–255*	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	2–65	2	Sets the length of a pause caused by a
				comma character in a dialing command.
S9	decimal	0–127	37 (%)	Sets ASCII code for remote configuration
				escape character. S9=0 disables remote
				configuration.
S10	100 ms	1–255	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.
S18	50 ms	0–255	20	Sets the time the CD signal drops before
				going high again. Used for some PBX and
				CBX phone systems. See &C2 command.
S28	decimal	0, 1–255	1	0 disables, 1–255 enables V.34 modulation.
S30	1 minute	0, 1–255	0	Sets the time the modem waits before it
				disconnects when no data is sent or
				received. A value of zero disables the timer.
				See also the \T command
S35	decimal	0–1	0	0 disables, 1 enables the V.25 data calling
				tone, which allows remote data/fax/voice
				discrimination.

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Contents User Guide Record of Revisions Revision Date DescriptionTrademarks PatentsTable of Contents MultiModemDID User Guide Contents Features Introduction and DescriptionIntroduction Safety We SupplyYou Supply Installation Assemble the ModemConnect the Modem to Your System Connect the Modem to the AC Power Outlet Removing Your Old Modem from WindowsFrom Windows 2000, XP Operation Front Panel of the MultiModemDID ModemDid Operation OperationConnecting to the Internet Dial-Up NetworkingAT Commands, S -Registers Result Codes AT Commands Repeat Last CommandCommunication Standard Setting AnswerEcho Command Mode Characters Number ATDT1028806127853500$123456789DS=n Dial Stored Telephone Number Echo Online Data CharactersMonitor Speaker Mode Return Online to Data ModeResult Codes Enable/Disable Modulation HandshakeModem Reset Tone DialingResult Code Format Result Code OptionsLoad Factory Settings Asynchronous Communications ModeData Terminal Ready DTR Control XON/XOFF Pacing ControlTest Commands Display Current SettingsStore Current Configuration Store Dialing CommandOnline command mode. The modem receives a \Bn \Bn Transmit Break\Kn Break Control \Nn Error Correction Mode Selection \Tn Inactivity Timer\Qn Flow Control Selection \Vn Protocol Result CodeAdaptive Answer Result Code Enable DC n AT Command ControlDirect Connect Enable View Numbers in BlacklistCisco Configuration Command Speed ResponseCommand +DCS=x,y Select V.44 Data Compression $Dn DTR DialingCommand +DS44=n V.44 Data Compression Data Compression ReportingEnable Synchronous Buffered Mode Modulation Selection SubparametersMod value Valid max-rate values bps Commands Command +PCW=n Call Waiting EnableModem on Hold Enable PCM Upstream IgnoreCommand +PMHR=n Modem on Hold Initiate Command +PMHT=n Modem on Hold TimerOther Commands Command +VCID=n Caller ID SelectionCommand +VDR= x, y Distinctive Ring Report Quick Connect ControlCommand +++ATCR Escape Sequence Command %%%ATCR Remote Configuration Escape SequenceMT5634ZBA-DID Initialization Recommendations Busy-Out Timer at End of Call Wait for Digit Time-Out TimeNumber of did Digits Expected Digit FormatFormat for Reporting Incoming did Number DF0DF1 DF2Page Register Unit Range Default Description RegistersValue Speed Value RateS42 Value Digital lossCommand executed Ring signal detectedCarrier signal lost or not detected Invalid commandPage Remote Configuration Basic ProcedureSetup Changing the Remote Escape Character Troubleshooting None of the Indicators LightModem Does Not Respond to Commands Modem Dials But Cannot Connect Modem Cannot Connect When Answering Modem Disconnects While OnlineModem Doesn’t Work with Caller ID Fax and Data Software Can’t Run at the Same TimeDid Troubleshooting Appendix a Regulatory Compliance FCC Part 68 TelecomFCC Part Fax Branding StatementCanadian Limitations Notice Industry CanadaAppendix B Technical Specifications FaxUpgrade Overview Appendix C Upgrading the Modem’s FirmwareExtract the Upgrade Files Appendix D Installing a Modem Under Linux InstallationSelect Dialup Configuration Tool Standard Linux Serial Port DefinitionsCalling the ISP Select RH PPP DialerSymbols IndexMultiModemDID User Guide Index MultiModemDID User Guide Index