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Multi-Tech Systems MT2834MR6 manual Revision Date Description, Trademarks

Models: MT2834MR6

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MultiModem MT2834MR6 User Guide

PN: S000326A

Copyright ©2003 by Multi-Tech Systems, Inc.

All rights reserved. This publication may not be reproduced, in whole or in part, without prior written permission from 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.

Revision Date

Description

A12/30/2003 Initial release of MT2834MR6 User Manual on CD.

Trademarks

Trademarks of Multi-Tech Systems, Inc. are as follows: MultiExpress, MultiExpressFax, MultiModemII, Multi-Tech and the Multi-Tech logo. Windows is a registered trademark of Microsoft Corporation.

Technical Support
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., Canada	support@multitech.com	(800) 972-2439
Rest of World	support@multitech.com	+763 717-5863

World Headquarters

Multi-Tech Systems, Inc.

2205 Woodale Drive

Mounds View, Minnesota 55112 U.S.A.

(763)785-3500 or (800) 328-9717 U.S. FAX (763) 785-9874 Technical Support (800) 972-2439 www.multitech.com

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Multi-Tech Systems MT2834MR6 manual Revision Date Description, Trademarks

Contents

User Guide Revision Date Description TrademarksContents Registers Warranty & Service Index 116 Introduction Introduction Manual OrganizationDescription FCC Fax Update FCC Regulations for Telephone Line InterconnectionCanadian Limitations Notice Technical Specifications 300 bps DiagnosticsBell 103/113 Fax CarrierPower Supply Speed Modem LED IndicatorsBusy Switch Data Rate bps LED State10 MT2834MR6 Installation Notes Safety WarningsDialing and Answering Dial-Up Automatic Answering Dial-Up Handshaking DetailsCall Termination AT Commands Working with AT Commands Modes of OperationCommand Structure Command EditingAT Commands Modem baud rate Baud adjustFlow control disabled Serial port baud rateEscape sequence selection Force answer modeAlternate out-of-band escape sequence Go back onlineDial Dialing CommandsDefault none = phone numberDefault R0 Dial Modifier CommandsDefault P Pulse or Tone DialingOr 4 through 255 seconds International models ATDT1028806127853500 $123456789 Phone Number Memory Commands NdNe Number Linking = 0 or = 1 or Default noneT14082345678 P9,T14089876543Default &F8 Configuration Storage and Recall CommandsDefault &W1 = 0, 8, orAT&F8&W0 AT&W1 defaultATZ AT&F9&W0Modem Response Result Code Commands Result Codes and Call Progress Selection DefaultDefault &A0 Default B0 Online Connection Commands#An Auto Speed Detection Default #A0 DCn AT Command Control = 0 or Default %DC0#Fn Fallback Modes = 0, 1, or Default #F2 CDn Cleardown at Disconnect = 0 or Default &CD0DTn Dtmf Detection = 0 or Default DT0 Default &P0 Models outside U.K Default &G0 models outside U.KDefault *H0 G2 U.K. models onlyDefault Y0 #T0 disables TCM#T1 enables TCM IssuedV.34 Commands Default &D2 RS-232 Interface CommandsDefault &C1 Default &R1S0 forces DSR high Default &S1Go high again S1 allows DSR to act normally, that is, to follow CDDefault &E15 Error Correction and Data Compression CommandsDefault &E1 #Ln Error Correction Modes Default #L0$Rn Retransmit Count = 0 or Default $R0 $En Error Correction at 300 bps = 0 or Default $E0$An Autoreliable Buffering = 0 or Default $A0 Speed Conversion Commands $SB1200 $SBn Serial Port Baud Rate = speed Default $SB57600$SB300 $SB2400Immediate Action Commands Rate Renegotiation $EBn Asynchronous Word Length = 0 or Default $EB0 Flow Control CommandsBSn Maximum Reliable Block Size = 0 or Default &BS1 Flow Control DisableNon-Error Correction Mode Flow Control Default &E6Default &E8 Default &E10Pacing Computer-Initiated Flow Control Default &E13#Xn Number of Xoff Characters Sent = 0 or Default #X0 = 12 orEscape Sequences Remote Configuration Commands Atcr Remote Configuration Escape SequenceLine Probe Commands Diagnostic Commands Registers Registers Default 8 H Default 13 MDefault 10 J Return CharacterUnit 1 second Time for Carrier Abort TimerDefault 45 North America and International Range 1-255 U.S.AMaximum S11 value is 255 ms 255 units Registers Registers Examples of Reading Values Reading and Assigning S-Register ValuesExamples of Assigning Values AT Commands Affecting S-Registers Error Correction, Data Compression & Speed Conversion Error Correction, Data Compression, and Speed Conversion How V.42 Detects and Corrects Errors Data Compression MNP Classes2 #L1 Command V.42 Mode Select Command #L1 #L0 Command 3 #L2 CommandAutoreliable Mode &E1 Non-Error Correction Mode &E0Reliable Mode &E2 Modes of OperationFlow Control Flow control and pacingHardware Flow Control &E4 Modem-Initiated Flow Control1 XON/XOFF Flow Control &E5 1 XON/XOFF Pass-Through &E7 Non-Error Correction Mode Flow Control &E10 and &E11Pacing &E13 Hewlett Packard ENQ/ACK Pacing &E9Modem-Initiated Flow Control 10.1 V.42 Error Correction ModesNon-Error Correction Mode Flow Control 10.3 XON/XOFF Pass-ThroughResult Codes MNP Error CorrectionLAP-M Error Correction Speed ConversionBaud Adjust $BA Modem Baud Rate $MBSerial Port Baud Rate $SB Maximum Block Size &BS Related CommandsAutoreliable Buffering $A Autoreliable Fallback Character $FRetransmit Count $R 13.5 V.42 Error Correction at 300 bps $ESummary Testing & Troubleshooting Testing and Troubleshooting Test 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 testWarranty & Service 2 U.S. and Canadian Customers Multi-Tech Systems, Inc. Warranty & Repairs PoliciesWarranty International Customers outside U.S.A. and Canada International DistributorsRepairs Repair Procedures for U.S. and Canadian CustomersRepair Procedures for International Customers Country Telephone Technical SupportInternet Site Appendices Ascii Conversion Chart Appendix aAppendix B Dial PulsesTone Dial Frequencies Figure B-2. Standard Dtmf frequenciesAppendix C Result Code SummaryStandard AT Result Codes &Q1 Register Summary Register Unit Range Default DescriptionAppendix D S34 Appendix E AT Command SummaryCommand Values Description CDn 100 101 102 103 104 105 Appendix F RS-232C Interface SpecificationsSignal Information Negative Positive Functional Description of the RS-232C Signals Transmitted Data TD Pin 2 To modemTest Voltage +V Pin From modem External Transmit Clock XTC Pin To modem Cable and Connector Diagrams Appendix GAppendix H Introduction to MultiTech Escape MethodsHow to Select an Escape Method Escape Method 1 +++ATCRRegisters and Escape Sequence Aborting an Escape SequenceSetup Introduction to Remote ConfigurationBasic Procedure Changing the Passwords Changing the Remote Escape CharacterIndex Index 118 119 120 121 122 S000326A