Multi-Tech Systems MT4X56USB manual Command +++ATCR Escape Sequence

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MultiModemUSB User Guide

Command: +++AT<CR> Escape Sequence

Values:	n/a
Description:	Puts the modem in command mode (and optionally issues a command) while remaining online.
	Type +++AT and up to ten command characters, then press ENTER. Used mostly to issue the
	hang-up command: +++ATH<CR>.
Command: %%%AT<CR>Remote Configuration Escape Sequence
Values:	n/a
Description:	Initiates remote configuration mode while online with remote modem. The remote configuration
	escape character (%) is defined in register S13.

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MT4X56USB

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Contents MultiModemUSB Model MT4X56USB User GuideUser Guide Record of RevisionsPatents TrademarksContents Glossary of Terms Index Introduction and Description Features IntroductionMultiModemUSB User Guide Technical Specifications InstallationPreview of this Guide Introduction and DescriptionRelated Documentation Front Panel Modem Ports Ports 1, 2, 3,Hub SystemRJ-ll Modem Connector USB Type a Upstream ConnectorUSB Type B Downstream Connector Power ConnectorInstallation Safety Warning Telecom UnpackingInstallation Cabling your MT4X56USBMT4X56USB Software Loading and Configuration System USB Support Loading your Driver SoftwareMT4X56USB Drivers for Windows Software Loading and Configuration Uninstalling MultiModemUSB in Windows MT4X56USB Drivers for Windows Uninstalling MultiModemUSB in Windows MultiModemUSB Drivers Install dialog box displays Click Next MT4X56USB Drivers for Windows NTUninstalling MultiModemUSB in Windows NT Select Add/Remove ProgramsAdd/Remove MT4X56USB Drivers for Windows Click Finish Software Loading and Configuration Select Add/Remove Hardware Installing Your V.90 Modems Click Start Settings Control Panel ModemsRead Carefully Software Loading and Configuration MT4X56USB Installing Your V.90 Modems Windows Click Start Settings Control Panel Phone and Modems optionMT4X56USB Software Loading and Configuration Windows 95/98 Configuration Utility MT4X56USB Windows NT 4.0/2000 Configuration Utility MT4X56USB MT4X56USB AT Commands, S-Registers and Result Codes AT Command Summary Command Enter KeyRepeat Last Command AnswerAT Commands, S-Registers and Result Codes Return Online to Data Mode Result Codes Enable/DisableInformation Request Modulation HandshakeModem Reset Load Factory SettingsTone Dialing Result Code FormatCommunications Mode Asynchronous Communications ModeTest Commands Display Current SettingsStore Current Configuration Select Stored Configuration for Hard ResetCommand &Zy=x Store Dialing Command \An Select Maximum MNP Block Size\Nn Error Correction Mode Selection \Tn Inactivity Timer\Kn Break Control \Qn Flow Control SelectionCommand %DCn AT Command Control Command %En Fallback and Fall Forward ControlEnter Setup Password Command #S=x Store Setup PasswordCommand +++ATCR Escape Sequence Command %%%ATCRRemote Configuration Escape SequenceRegister Unit Range Default Description RegistersS38 Upstream data ratesResult Codes Terse Verbose DescriptionFor more information on scripting, click the Help button Remote Configuration Remote Configuration Procedure SetupChanging the Setup Password Remote Configuration Commands Remote Configuration and ManagementChanging the Remote Escape Character MT4X56USB Troubleshooting None of the Indicators Light Modem Does Not Respond to CommandsModem Dials But Cannot Connect Troubleshooting Modem Disconnects While OnlineModem Cannot Connect When Answering Loopback TestsModem Doesn’t Work with Caller ID Fax and Data Software Can’t Run at the Same TimeTest procedure Local Analog Loopback Test V.54 LoopRemote Digital Loopback Test V.54 Loop Remote digital loopback testLocal Digital Loopback Test V.54 Loop Local digital loopback testWindows 95/98 Troubleshooting Determining Why USB Support Is Not PresentInstalling Microsoft USB Support Double-click the Universal Serial Bus Controller iconUpgrade Procedure Upgrade Overview Identify the MT4X56USB FirmwareIdentify the Current Firmware Version Multi-Tech Web SiteDownload the Upgrade File Extract the Upgrade FilesUpgrade Procedure Clear Your Stored ParamentersUpgrade the Modem’s Firmware Restore Your ParametersService, Warranty and Tech Support Software User License Agreement Limited Warranty On-line Warranty RegistrationService, Warranty and Tech Support Tech SupportService Contacting Tech Support via E-mailAppendices Appendix a Regulatory Information Class B StatementFCC Part Industry CanadaFCC Part 68 Telecom AppendicesFAX Branding Statement Canadian Limitations NoticeEMC, Safety and Terminal Directive Compliance Commission Decision CTR21New Zealand Telecom Warning Notice International Modem RestrictionsTroubleshooting Appendix B V.90 SupportIntroduction Glossary of Terms MT4X56USB Glossary MT4X56USB Glossary MT4X56USB Glossary MT4X56USB Glossary MT4X56USB Glossary MT4X56USB Glossary MT4X56USB Index IndexConfiguration MT4X56USB Software user license agreement Speed