Multi-Tech Systems MT2456SMI22 manual PN S000281A, Version a, Country By Email By Phone

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Copyright

SocketModem

MT2456SMI–22

Developer’s Guide

PN S000281A, Version A

Copyright

This publication may not be reproduced, in whole or in part, without prior expressed written permission from Multi- Tech Systems, Inc. All rights reserved.

Copyright © 2003, by Multi-Tech Systems, Inc.

Multi-Tech Systems, Inc. makes no representations or warranties with respect to the contents hereof and specifically disclaims any implied warranties of merchantability or fitness for any particular purpose. Furthermore, Multi-Tech Systems, Inc. reserves the right to revise this publication and to make changes from time to time in the content hereof without obligation of Multi-Tech Systems, Inc. to notify any person or organization of such revisions or changes.

Revisions

Revision Level

Date

Description

A03/20/03 Initial release.

Trademarks

Multi-Tech Systems, Inc. trademarks include the SocketModem and the Multi-Tech logo.

Microsoft, Windows, Windows 95, Windows NT, and Windows 2000 are registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries.

Patents

This device covered by one or more of the following patents: 6,031,867; 6,012,113; 6,009,082; 5,905,794; 5,864,560; 5,815,567; 5,815,503; 5,812,534; 5,809,068; 5,790,532; 5,764,628; 5,764,627; 5,754,589; 5,724,356; 5,673,268; 5,673,257; 5,644,594; 5,628,030; 5,619,508; 5,617,423; 5,600,649; 5,592,586; 5,577,041; 5,574,725; 5,559,793; 5,546,448; 5,546,395; 5,535,204; 5,500,859; 5,471,470; 5,463,616; 5,453,986; 5,452,289; 5,450,425; 5,355,365; 5,309,562; 5,301,274

Other Patents Pending

World Headquarters

Multi-Tech Systems, Inc.

2205 Woodale Drive

Mounds View, Minnesota 55112 Phone: 763-785-3500 or 800-328-9717 Fax: 763-785-9874

Technical Support

Country	By Email	By Phone
France:	support@multitech.fr	(33) 1-64 61 09 81
India:	support@multitechindia.com	91 (124) 6340778
U.K.:	support@multitech.co.uk	(44) 118 959 7774
U.S. and Canada:	oemsales@multitech.com	(800) 972-2439
Rest of the World:	oemsales@multitech.com	(763) 717-5863

Internet Address: http://www.multitech.com

Multi-Tech Systems, Inc. MT2456SMI-22 SocketModem Developer’s Guide

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Contents SocketModem PN S000281A, Version a Country By Email By PhoneContents Product Description Specifications Product DescriptionTechnical Specifications Speed ConversionPhysical Dimensions Maximum Component HeightPin Configurations Pin Descriptions3V DC Power Input High Input Low Handling Precautions3V and 5V Serial SocketModem Outputs Output High Output LowCall Control Commands Generic Modem Control CommandsDTE/DCE Commands Modulation Control CommandsFast Connect Command Error Control and Data Compression CommandsSynchronous Access Mode Commands Line Side Device CommandsOperating Mode 22bis Generic Modem Control CommandsSoft Reset and Restore Profile +VCID Caller ID CID+GCI Country of Installation IdentificationLocal Analog Loopback Test Restore Factory Configuration ProfileProcedure Load to Internal RAMQuiet Result Codes Control 22bis DTE/DCE-Modem Interface commandsCommand Echo Result Code FormConnect Ring No Carrier Error No Dial Tone Busy No Answer Extended Result CodesResult Codes OK 0 or Short Form Long Form Value in ATXn CommandRlsd Option DTR Option+IFC DTE-Modem Local Flow Control RTS/CTS Option\G Modem-to-Modem Flow Control XON/XOFF EM Shielding Data +IBC In Band CommandsEntering and Exiting In Band Active State Band Processing of AT Commands Command Hex Codes Description Supported DTE-to-DCE CommandsSupported DCE-to-DTE Commands Dial Modifiers 22bis Call Control CommandsDial Return to On-Line Data Mode Set Tone Dial DefaultResult Code Set Pulse Dial Default Speaker VolumeSelect Guard Tone Display Current Configuration and Stored ProfilesMSpeaker Control Select Pulse Dial Make/Break RatioReport Line Signal Quality \V Single Line Connect Message EnableReport Line Signal Level Display Blacklisted NumbersBehavior in Data Mode Display Delayed NumbersNO. Phone Number -DELAY Syntax *D Example+VDR Distinctive Ring +PCW Call Waiting EnableReporting Selected Values +MS Modulation Selection 22bis Modulation Control CommandsTable of +MS Command Supported Rates SyntaxEnable/Disable Line Quality Monitor and Auto-Retrain ITU-T or Bell+ETBM Call Termination Buffer Management 22bis Error Control and Data Compression Commands+ESR Selective Repeat \B Transmit Break to RemoteResult Codes OK 0 to 5 Error Otherwise Break ControlReporting Selected Options 22bis Synchronous Access Mode Commands+ESA Configure Synchronous Access Submode +ESA?Transmit Flow Control Thresholds +ITF?Syntax $Fn Defined Values 22bis FastConnect Command$F Fast Connect Control TRV Tip and Ring Voltage Measurement 22bis Line Side Device CommandsThreshold Adjustments for Telephony Extension Response22bis S-Parameters Read/Write S-ParameterAscii Summary of S-Parameter DefaultsRegister Function Range/Units Default S2 Escape Character S0 Number of Rings to Auto-AnswerS1 Ring Counter S3 Carriage Return CharacterS12 Escape Prompt Delay EPD S8 Pause Time For Dial DelayS10 Lost Carrier To Hang Up Delay S9 Carrier Detect Response TimeS20 Reserved S16 Test Mode Bit Mapped Options StatusS19 Reserved S21 V.24/General Bit Mapped Options StatusS26 RTS to CTS Delay S24 Sleep Inactivity TimerS25 Delay To DTR Off S22 Speaker/Results Bit Mapped Options StatusS28 Bit Mapped Options Status S30 Disconnect Inactivity TimerS27 Bit Mapped Options Status S29 Flash Dial Modifier TimeS37 Desired Line Connection Speed S38 Delay Before Forced Hang UpS36 Lapm Failure Control S39 Flow Control Bit Mapped Options StatusS82 Break Handling Options S41 General Bit Mapped Options StatusS48 V.42 Negotiation Action S86 Call Failure Reason CodeS91 Pstn Transmit Attenuation Level S95 Extended Result Codes ControlCode Message Meaning 22bis Result CodesTable of Result Code Definitions Connect75TX/1200RX Is enabled Block Diagram Figure A-1. Serial Test/Demo Board Block DiagramCountry Country Code Product Safety and EMC ApprovalsCountry Certifications More plannedRegulatory Design Considerations Hardware ConsiderationsSafety SocketModem Placement Qty Name DescriptionTelecom Requirements for the United States ComplianceMulti-Tech Systems, Inc. Compliance Label Content and Format Label Physical CharacteristicsOther Label Requirements Telecommunications Regulations for CanadaLabeling Continuity and Changes New Zealand Telecom Warning Notice Industry CanadaSouth African Statement EMC, Safety, and R&TTE Directive ComplianceInternational Modem Restrictions Index Index