Multi-Tech Systems MT5600BL, MT5600BA Result Code Selection, Long Space Disconnect, Modem Reset

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4 AT Commands, S-Registers, and Result Codes

Command:

Xn

 

Result Code Selection

Values:

 

 

n = 0–4

Default:

 

4

Description:

 

 

This command selects which subset of the result messages will

 

 

 

be used by the modem to inform the computer of the results of

 

 

 

commands.

 

X0

Sends OK, CONNECT, RING, NO CARRIER, ERROR and NO

 

 

 

ANSWER; does not look for dial tone or busy signal.

 

X1

Sends X0 messages and connect speed; does not look for dial

 

 

 

tone or busy signal.

 

X2

Sends X1 messages with NO DIALTONE; does not look for

 

 

 

busy signal.

 

X3

Sends X1 messages with BUSY; does not look for dial tone.

 

X4

Sends all messages, including NO DIALTONE and BUSY.

 

 

 

 

 

 

 

Note: If the modem is in fax mode, the only message sent to

 

 

 

indicate a connection is CONNECT without a speed indication.

 

 

 

See also the \V command.

 

 

 

 

Command:

Yn

 

Long Space Disconnect

Values:

 

 

n = 0 or 1

Default:

 

0

Description:

Y0 Disables sending or responding to a long space break signal on

 

 

 

disconnect.

 

Y1

Enables long space disconnect. In non-error correction mode,

 

 

 

the modem sends a long space of four seconds prior to going

 

 

 

on-hook. In non-error correction mode, the modem responds

 

 

 

to the receipt of a long space (i.e., a break signal greater than

 

 

 

1.6 seconds) by going on-hook.

Command:

Zn

 

Modem Reset

Values:

 

 

n = 0 or 1

Default:

 

None

Description:

 

 

The modem performs a soft reset and restores (recalls) the con-

 

 

 

figuration profile according to the parameter supplied. If no

 

 

 

parameter is specified, zero is assumed.

 

Z0

Resets modem and restores Profile 0.

 

Z1

Resets modem and restores Profile 1.

 

 

 

 

 

 

 

Note: See also the &F and &W commands.

 

 

 

 

Command:

&Cn

 

Data Carrier Detect (DCD) Control

Values:

 

 

n = 0 or 1

Default:

 

1

Description:

&C0

 

Forces the DCD circuit to always be high.

 

&C1

DCD goes high when the remote modem’s carrier signal is de-

 

 

 

tected, and goes low when the carrier signal is not detected.

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Contents Model MT5600BA Model MT5600BL Record of Revisions FCC Part Introduction Using the Front PanelQuick Start MultiModemII User GuideRemote Configuration AT Commands, S-Registers & Result CodesSolving Problems Callback SecurityAppendix a Regulatory Compliance Appendix D Warranty, Service, and Technical SupportAppendix C Loopback Tests Appendix E Upgrading the ModemContents Viii Introduction Features IntroductionProduct Description Data IntroductionRelated Manuals What Is in Your Modem Package?Quick Start What You Will Need Safety WarningsWe supply You supplyRS232 Connection Connect the Modem to Your SystemDialup Connection Quick StartFour-Wire Leased Line Connection Two-Wire Leased Line ConnectionPower Connection Power-On TestInstall the Modem in Windows Adding the Modem to WindowsRemoving Your Old Modem from Windows Install and Configure Your Software Trio DataComm Call the Multi-Tech BBSWindows HyperTerminal Windows Terminal Send a Fax Trio FaxMicrosoft Fax References Select Start Programs Accessories Fax Compose new faxMultiModemII User Guide Using the Front Panel LED Indicators Modem ConfigurationLiquid Crystal Display LCD Using the Front PanelOption Selection Menu StructureMultiModemII User Guide Menu Overview Using the Front Panel Status Trunk MultiModemII User Guide Basic Options Trunk Using the Front Panel Advanced Options Trunk Diagnostic Options Trunk MultiModemII User Guide Remote Configuration Options TrunkCaller ID Options Trunk Using the Front Panel Phone Number Memory Options TrunkStatus Menu OptionsUsing the Front Panel Basic Options Implemented Advanced OptionsRemote Configuration Options MultiModemII User Guide Diagnostic Options Phone Number Memory OptionsCaller ID Options AT Commands Registers Result Codes Introduction AT Commands, S-Registers, and Result Codes AT CommandsDS= y Dial Stored Telephone Number Echo Command Mode CharactersHook Control Information RequestMonitor Speaker Mode Monitor Speaker VolumeReturn Online to Data Mode Result Codes Enable/DisableSet Register Value Select RegisterRead Register Value Tone DialingResult Code Selection Modem ResetLong Space Disconnect Data Carrier Detect DCD ControlLoad Factory Settings Error Correction ModesData Terminal Ready DTR Control Modem-Initiated Flow ControlCommunications Mode 22bis Guard Tone ControlFlow Control Selection Test Commands Sync/Async ModeClear to Send CTS Control Data Set Ready DSR ControlStore Current Configuration Display Current ConfigurationDisplay Last Connection Statistics Synchronous Clock SourceLine Signal Level Select Profile for Hard ResetZy =x Store Telephone Number Data Compression ControlPCM Code Selection Line Signal Quality\An Maximum MNP Block Size \Bn Transmit Break\Vn Single Line Connect Message \Nn Error Correction Mode SelectionReserved,maxTXrateCR +MS= Modulation SelectionMNP Extended Services Command #CBNy=x Store Callback Number Command -SDR=nDistinctive Ring ControlCommand #CBPy=x Store Callback Password Flash Memory DownloadCallback Enable/Disable Command #CID= n Caller IDCommand $SBn Serial Port Baud Rate Escape SequenceRegisters Register Unit Range Default DescriptionS32 S36 S46 Terse Verbose Description Result CodesProtocol ALT +FCERROR MultiModemII User Guide Remote Configuration Basic Procedure SetupChanging the Remote Configuration Password Changing the Remote Escape Character Remote ConfigurationMultiModemII User Guide Callback Security Turning Callback Security On and Off Setup ProceduresCallback Security Assigning Callback PasswordsAssigning Callback Phone Numbers Calling Procedure Callback Security CommandsCommand #CBN y= x Store Callback Number Command #CBPy=x Store Callback Password Callback Assignments MultiModemII User Guide Leased Line Operation Two-Wire Setup Leased Line Operation Four-Wire SetupDial Backup and Leased Line Restoral Setup Dial Backup and Leased Line RestoralLeased Line Operation MultiModemII User Guide Solving Problems None of the Indicators Light Solving Problems Modem Does Not Respond to CommandsModem Dials But Cannot Connect Modem4Disconnects While Online File Transfer4Is Slower Than It Should Be Modem4Cannot Connect When AnsweringData Is Being Lost There Are Garbage4 Characters on the MonitorModem4Doesn’t Work with Caller ID Fax and Data4Software Can’t Run at the Same Time Appendixes FCC Part 68 Telecom Appendix a Regulatory ComplianceRegulatory Compliance Fax Branding StatementCanadian Limitations Notice International Modem RestrictionsCommission Decision CTR21 New Zealand Telecom Warning Notice EMC, Safety, and Terminal Directive ComplianceAppendix B Technical Specifications Technical Specifications Receiver Sensitivity Test procedure Local Analog Loopback Test V.54 LoopLoopback Tests Figure C-2. Remote digital loopback test Remote Digital Loopback Test V.54 LoopFigure C-3. Local digital loopback test Local Digital Loopback Test V.54 LoopBack-to-Back Test Figure C-5. Back-to-back test connections Service Limited WarrantyWarranty, Service, and Technical Support Online Warranty RegistrationTechnical Support Multi-Tech BBSAbout the Internet SupplyNet Online Ordering Instructions Ordering Modem AccessoriesIdentify the Modem Firmware Upgrade OverviewMulti-Tech Web Site Identify the Current Firmware VersionMulti-Tech BBS Upgrading the ModemDownload the Upgrade File Extract the Upgrade FilesSet the Modem to the Factory Defaults Restore Your Parameters Upgrade the Modem’s FirmwareRS-232 Pinouts Appendix F Cable PinoutsCable Pinouts Leased Line PinoutsCtrl Code Hex Dec Appendix G Ascii Character MapIndex 108 Index 110
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