Multi-Tech Systems MT4X56USB guide

Four USB V.90 Modems

Chapter 4 - AT Commands, S-Registers and Result Codes

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Multi-Tech Systems MT4X56USB manual AT Commands, S-Registers and Result Codes

Contents

User Guide MultiModemUSB Model MT4X56USB Trademarks User GuideRecord of Revisions Patents Contents Glossary of Terms Index Introduction and Description Features IntroductionMultiModemUSB User Guide Introduction and Description Technical SpecificationsInstallation Preview of this Guide Related Documentation System Front PanelModem Ports Ports 1, 2, 3, Hub Power Connector RJ-ll Modem ConnectorUSB Type a Upstream Connector USB Type B Downstream Connector Installation Unpacking Safety Warning Telecom Cabling your MT4X56USB Installation MT4X56USB 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 MT4X56USB Drivers for Windows NT MultiModemUSB Drivers Install dialog box displays Click Next Uninstalling MultiModemUSB in Windows NT Select Add/Remove ProgramsAdd/Remove MT4X56USB Drivers for Windows Click Finish Software Loading and Configuration Select Add/Remove Hardware Click Start Settings Control Panel Modems Installing Your V.90 Modems Read Carefully Software Loading and Configuration MT4X56USB Click Start Settings Control Panel Phone and Modems option Installing Your V.90 Modems Windows MT4X56USB 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 Answer AT Command SummaryCommand Enter Key Repeat Last Command AT Commands, S-Registers and Result Codes Modulation Handshake Return Online to Data ModeResult Codes Enable/Disable Information Request Result Code Format Modem ResetLoad Factory Settings Tone Dialing Display Current Settings Communications ModeAsynchronous Communications Mode Test Commands \An Select Maximum MNP Block Size Store Current ConfigurationSelect Stored Configuration for Hard Reset Command &Zy=x Store Dialing Command \Qn Flow Control Selection \Nn Error Correction Mode Selection\Tn Inactivity Timer \Kn Break Control Command #S=x Store Setup Password Command %DCn AT Command ControlCommand %En Fallback and Fall Forward Control Enter Setup Password Command %%%ATCRRemote Configuration Escape Sequence Command +++ATCR Escape Sequence Registers Register Unit Range Default Description Upstream data rates S38 Terse Verbose Description Result Codes For 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 Modem Disconnects While Online Troubleshooting Fax and Data Software Can’t Run at the Same Time Modem Cannot Connect When AnsweringLoopback Tests Modem Doesn’t Work with Caller ID Local Analog Loopback Test V.54 Loop Test procedure Remote digital loopback test Remote Digital Loopback Test V.54 Loop Local digital loopback test Local Digital Loopback Test V.54 Loop Double-click the Universal Serial Bus Controller icon Windows 95/98 TroubleshootingDetermining Why USB Support Is Not Present Installing Microsoft USB Support Upgrade Procedure Multi-Tech Web Site Upgrade OverviewIdentify the MT4X56USB Firmware Identify the Current Firmware Version Clear Your Stored Paramenters Download the Upgrade FileExtract the Upgrade Files Upgrade Procedure Restore Your Parameters Upgrade the Modem’s Firmware Service, Warranty and Tech Support Software User License Agreement Tech Support Limited WarrantyOn-line Warranty Registration Service, Warranty and Tech Support Contacting Tech Support via E-mail Service Appendices Industry Canada Appendix a Regulatory InformationClass B Statement FCC Part Appendices FCC Part 68 Telecom Canadian Limitations Notice FAX Branding Statement International Modem Restrictions EMC, Safety and Terminal Directive ComplianceCommission Decision CTR21 New Zealand Telecom Warning Notice Troubleshooting Appendix B V.90 SupportIntroduction Glossary of Terms MT4X56USB Glossary MT4X56USB Glossary MT4X56USB Glossary MT4X56USB Glossary MT4X56USB Glossary MT4X56USB Glossary MT4X56USB Index Index Configuration MT4X56USB Software user license agreement Speed