Multi-Tech Systems MT2834BA Series manual Multi-Tech Result Codes, Standard AT Result Codes

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Chapter 5 - Command Mode

5.3Result Codes

The Command mode provides you with several responses, or “Result Codes”, that can aid you in Command mode operation. These Result Codes are displayed on your monitor.

You can choose result codes that closely match those of the standard AT command set, or choose enhanced function result codes that have been used in Multi-Tech modems ("Multi-Tech"responses). The &Q command selects which result codes will be used.

You can choose to have these Result Codes displayed in either “verbose” (full words) or “terse” (digits) format. This is controlled by the ATV0 (terse) or ATV1 (verbose) commands. The modem defaults to verbose format.

AT&Q0 selects Multi-Tech responses with Reliable/LAPM/Compression modifiers. The terse response code for CONNECT 2400 is 9. AT&Q1 selects Standard AT command set responses. The terse result code for CONNECT 2400 is 10.

The following tables define the result codes generated by the &Q command (refer to Appendix G for Result Code Summary).

"Multi-Tech" Result Codes

TERSE	VERBOSE	TERSE	VERBOSE
0	OK	11*	CONNECT 4800
1	CONNECT	12*	CONNECT 9600
2	RING	13*	CONNECT 14400
3	NO CARRIER	19*	CONNECT 19200
4	ERROR	21*	CONNECT 21600
5*	CONNECT 1200	24*	CONNECT 24000
6	NO DIALTONE	26*	CONNECT 26400
7	BUSY	28*	CONNECT 28800
8	NO ANSWER	31*	CONNECT 31200
9*	CONNECT 2400	33*	CONNECT 33600

*With MNP error correction on, RELIABLE (or R) is added to these result codes. With LAP-M error correction on, LAP-M (or L) is added to these result codes. With data compression on, COMPRESSED (or C) is added. (Note these "Extended" Result Codes are displayed when your modem is set up to do so with an X1, X2, X3, or X4 command.)

"Standard AT" Result Codes
TERSE	VERBOSE	TERSE	VERBOSE
0	OK	11	CONNECT 4800
1	CONNECT	12	CONNECT 9600
2	RING	13	CONNECT 14400
3	NO CARRIER	19	CONNECT 19200
4	ERROR	21	CONNECT 21600
5	CONNECT 1200	24	CONNECT 24000
6	NO DIALTONE	26	CONNECT 26400
7	BUSY	28	CONNECT 28800
8	NO ANSWER	31	CONNECT 31200
10	CONNECT 2400	33	CONNECT 33600

*Reliable/Compression modifiers are not displayed with Standard AT Result Codes.

Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide

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Contents User Guide User Guide Record of Revisions Date DescriptionPatents TrademarksContents Registers Index 117Introduction and Description How To Use This Manual IntroductionModem Features 1 MT2834BA/BL Series Features Fax FeaturesTechnical Specifications Power Modem LED Indicators MT2834BA LED DisplayControls on PC Board Installation and Connection What Is in Your Modem Package? InstallationSafety Warnings Installation ProcedureMultiModemBA Connections Installing PhoneTools, the Data Communications Software Is Your Modem Ready for Use?Software Configuration and Modem Basics Configuring Your Software Configuring Software for Your ModemSoftware Configuration PC Initialization StringsChanging Default Parameters Configuring Software for Your ComputerOther Parameters AT &F S0=0 &F9 &W0 CRSimple Operations Answer/Originate Voice/Data Toggle SwitchModem Basics Manual Dial and Automatic Answer Dialing/On-Line/Answering Manual Dial and Automatic AnswerAutomatic Leased Line Restoral Operation Manual Dial Backup Call TerminationDial Backup and Leased Line Restoral Dial-Up Operation Manual Call OriginationAutomatic Answering Manual AnsweringCall Termination Abort TimerHandshaking Details Command Mode Functional Modes AT Command EditingCommand Mode Summary of AT Commands Functional ModesStore Modem Configure Data Standard AT Result Codes Result CodesMulti-Tech Result Codes Dialing Commands Dialing Action CommandsDial Modifier Commands Voice/Data Dialing $VDPulse or Tone Dial P T Set Pulse Dial Ratios &PReturn to Command Mode After Dial Command Execution Reverse the Mode of Operation RAutomatic Pauses in Dialing Long Space Disconnect YCalling Card Detect Tones $ Quiet Answer @Phone Number Memory Commands Storing Phone Numbers D...NNumber Linking NN Listing Numbers Stored in Memory LModem Reset Z Configuration and Default Storage CommandsLoading Factory Defaults &F Synchronous Transmit Clock Select &X Async/Sync Mode Switching &MUnix Uucp Spoofing $SP Command Response Result Code Commands Echo Command Mode Characters EResult Codes Enable/Disable and No Response Answer Q Result Codes Multi-Tech or Standard AT &QResult Codes Basic and Extended and Call Progress Selection Phone Line Conditioning Commands Enable/Disable Trelis Coded Modulation #TGuard Tones Not Used in BAI/BLI Models &G Bell/V.21 ToneFallback Modes When On-Line #F Enable/Disable Lowspeed Fast Connect $FCCleardown at Disconnect &CD Auto Speed Detect #A7 RS-232C Interface Control Commands Carrier Detect Control &CData Terminal Ready Control &D CTS Control &RDSR/CD Interaction Control &SF Data Set Ready Control &SCTS/RTS Interaction Control &RF Error Correction Commands Normal Mode &E0Auto-Reliable Mode &E1 Reliable Mode &E2Mode Select #L Auto-Reliable Buffering $ARetransmit Count $R Enable/Disable Auto Reliable Fallback Character $FError Correction/300bps $E Xon/Xoff Flow Control &E5 Flow Control CommandsHardware Flow Control &E4 Hewlett-Packard ENQ/ACK Pacing &E9 Xon/Xoff Pass-Through &E7Send Xon/Xoff Characters #X Normal Mode Modem Flow Control On &E11 Terminal/Computer Initiated Pacing &E13Maximum Block Size &BS Parity Selection #PEnq/Ack Pacing Commands Normal/Auto-Reliable/Reliable Mode CommandsXon/Xoff Pass-Through Commands Modem Baud Rate $MB Speed Conversion CommandsSpeed Conversion $BA Serial Port Baud Rate $SB Immediate Action Commands Listing On-Line Diagnostics L8 Off Hook HExiting Command Mode, Going Back On-Line O Line Probe CommandsForce Answer Mode a Registers Number of Rings Until Modem Answers Rings Which Have OccurredEscape Code Character Return CharacterTime for Carrier Abort Timer Line Feed CharacterBackspace Character Wait Time for Dial ToneS10 Carrier Loss Disconnect Delay Time S13 Remote Configuration Escape CharacterCarrier Detect Response Time S11 Tone Dialing Tone Spacing and DurationS15 Callback Time Delay S19 MT2834BL Only Dial-Back TimerS16 Callback Attempts S17 Changing Break TimeS26 Failed Password Attempts S29 Local Inactivity TimerS24 PBX/CBX Disconnect Drop Time for DSR/CTS/CD S25 DTR Dropout TimeS30 Inactivity Timer S32 Time Elapse for Escape SequenceS36 Time Between DTR Inactive and Modem Off-Hook S37 Time Between DTR Active and Modem On-HookS48 Program V.34bis Connect Speeds Examples of Reading Values Reading and Assigning S-Register ValuesExamples of Assigning Values AT Command and S-Register Summary Callback Security and Remote Configuration Callback Feature Description Callback Security and Remote ConfigurationRemote Configuration Description To change your Remote Configuration feature statusTo set parity of the password/message prompt AT#CBN0xxxxxxxxxxCRCallback Operational Sequence Procedures Remote Configuration Procedures Remote Configuration Operation ProceduresRemote Configuration and Callback Security AT Commands Remote Configuration/Callback Security S-Registers DIP-Switch Settings Dip-Switch Settings MT2834BA PC BoardDIP-Switch Option Settings Switch #4 AS/400 Mode Synchronous Mode/Leased Line/Dial-UP = Down Down Dip-Switch Settings Speaker Volume Control Recording Option Configurations Switch Function Position EffectDIP Switches #15-16 MT2834BL DIP Switches #13-14DIP Switches #15-16 MT2834BA Warranty, Service and Tech Support Multi-Tech Systems, Inc. Warranty & Repairs Policies Warranty, Service, and Technical SupportOnline Warranty Registration Repair Procedures for International DistributorsReplacement Parts Technical SupportInternet Sites Country TelephoneAppendixes Appendix a Upgrading Your Modem’s Firmware Upgrade OverviewAppendix a Upgrading Your Modem’s Firmware Download the Upgrade File Upgrade the Modem’s Firmware Appendix B Troubleshooting None of the LEDs Light When the Modem Is OnModem Does Not Respond to Commands Appendix B TroubleshootingAppendix B Troubleshooting Modem Dials But Cannot Make a Connection Modem Cannot Connect When Answering Modem Disconnects While On-lineFile Transfer Is Slower Than It Should Be Am Losing DataAm Getting Garbage Characters on the Monitor Command Values Description Appendix C AT Command SummaryAppendix C AT Command Summary DsNd Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 100$FCn MT2834BL Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 101$MBn Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 102$SBn Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 103Dial Tone Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 104Callback Security/Remote Configuration Command Summary Password Command Summary 25bis CommandsDelayed and Forbidden Numbers Appendix D V.25bis Operation25bis Operation Appendix D V.25bis Operation25bis Mode AT Commands 25bis DIP-Switches25bis Set-Up and Initialization Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 10825bis AT Commands Enable/Disable V.25bis Mode $V CommandChange Serial Baud Rate CSP Command 25bis Responses Result CodesDial Phone Number Provided CRN Command Listing Delayed Phone Numbers RLD CommandListing Forbidden Phone Number RLF Command Disregard or Connect to Incoming Calls DIC or CIC CommandITU V.25bis Country Specific Information Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 112 Appendix D V.25bis Operation BelgiumSingapore Appendix E MultiModemBA Cables Appendix E MultiModemBA/BL CablesFCC Part Appendix F Regulatory InformationFCC Part 68 Telecom Canadian Limitations Notice Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 115South African Notice Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 116Appendix G Weee Statement Index Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 11791-116 Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 118PBX/CBX Disconnect Drop Time for DSR/CTS/CD63 Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 119