Multitech MT5634ZBA-USB manual Registers

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MT5634ZBA-USB User Guide

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 autoanswer 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
		128–255		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 the line feed
				character.
S5	decimal	0–32	8 (^H)	Sets the ASCII code for the backspace
		33–127		character. 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	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	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	0	0 disables, 1 enables the V.25 data 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.)

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Contents User Guide Record of Revisions TrademarksContents Index Introduction and Description Introduction Product DescriptionUniversal Serial Bus USB MT5634ZBA-USB User GuideWhat Is in Your Modem Package? Introduction and DescriptionMT5634ZBA-USB User Guide Quick Start Safety Warnings What You Will NeedWe supply You supplyAssemble the Modem Quick StartInstall the Software Connect the Modem to Your System Line ConnectionPhone Connection USB ConnectionSelect the Modem Test Your ModemFeatures Data FeaturesWhat Can You Do with Your Modem? Fax Required EquipmentComputer Telephone LineConnecting to the Computer USB Connecting to the Telephone Line LineConnecting to a Telephone Set Phone ConnectionsFront Panel Front panelMT5634ZBA-USB User Guide AT Commands, S-Registers and Result Codes AT Commands AT Command Summary Command DS=n Dial Stored Telephone Number Echo Command Mode CharactersMonitor Speaker Volume Echo Online Data CharactersMonitor Speaker Mode Return Online to Data ModeResult Codes Enable/Disable Command Sr=n Set Register ValueMT5634ZBA-USB User Guide Command Vn Result Code Format Command Xn Result Code SelectionCommand Yn Long Space Disconnect Modem ResetLoad Factory Settings Command &Gn V.22bis Guard Tone ControlCommunications Mode Asynchronous Communications ModeMT5634ZBA-USB User Guide Command &Tn V.54 Test Commands Display Current SettingsCommand &Wn Store Current Configuration Select Stored Configuration for Hard ResetError Correction Mode Selection Modem Port Flow ControlData Buffer Control Break ControlInactivity Timer Command %Cn Data Compression ControlCommand %DCnAT Command Control Protocol Result CodeCommand %En Fallback and Fall Forward Control Enter Setup PasswordCommand #S=x Store Setup Password Command%%%ATCRRemote Configuration Escape SequenceRegisters Rates K56flex Rates S37S38 S42 S43S48 S89Result Codes Terse Verbose DescriptionMT5634ZBA-USB User Guide Remote Configuration Changing the Setup Password Basic ProcedureSetup Remote Configuration Changing the Remote Escape CharacterMT5634ZBA-USB User Guide Troubleshooting None of the Indicators Light Modem Does Not Respond to CommandsTroubleshooting Modem Dials But Cannot ConnectModem Cannot Connect When Answering Modem Disconnects While OnlineModem Doesn’t Work with Caller ID Fax and Data Software Can’t Run at the Same TimeAppendixes Appendix a Regulatory Compliance FCC Regulations for Telephone Line InterconnectionClass B Statement Industry CanadaCanadian Limitations Notice FAX Branding StatementNew Zealand Telecom Warning Notice European DirectivesInternational Modem Restrictions Appendix B Technical Specifications Connectors Carrier FrequenciesITU-T ITU-T V.32bis/V.32 Carrier FrequenciesDiagnostics IndicatorsDimensions WeightAppendix C Loopback Tests IntroductionFigure C-1. Local analog loopback test Test Procedure Local Analog Loopback Test V.54 LoopRemote Digital Loopback Test V.54 Loop Appendix C Loopback TestsFigure C-3. Local digital loopback test Test Procedure Local Digital Loopback Test V.54 LoopAppendix D Warranty, Service, and Technical Support Limited WarrantyOnline Warranty Registration ServiceTechnical Support Multi-Tech BBSTo Log on to the Multi-Tech BBS To Download a FileAbout the Multi-Tech Fax-Back Service About the InternetIndex Index MT5634ZBA-USB User Guide