Multi-Tech Systems MT5600BA Nn Error Correction Mode Selection, Vn Single Line Connect Message

Page 52

MultiModemII User Guide

 

 

Data mode. The modem receives the break from the remote

 

 

modem during a non-error-corrected connection:

 

\K0

Clear data buffers and send break to the computer.

 

\K1

Same as \K0.

 

\K2

Send break immediately to the computer.

 

\K3

Same as \K2.

 

\K4

Send break to the computer in sequence with the received data.

 

\K5

Same as \K4.

 

 

Online command mode. The modem receives a \Bn command

 

 

from the computer:

 

\K0

Clear data buffers and send break to the remote modem.

 

\K1

Same as \K0.

 

\K2

Send break immediately to the remote modem.

 

\K3

Same as \K2.

 

\K4

Send break to the remote modem in sequence with the trans-

 

 

mitted data.

 

\K5

Same as \K4.

Command:

\Nn

Error Correction Mode Selection

Values:

 

n = 0–5

Default:

 

3

Description:

\N0

Normal (non-error correction) mode with data buffering.

 

 

(Forces &Q6.)

 

\N1

Direct mode. Equivalent of &M0 and &Q0 modes. (Forces &Q0.)

 

\N2

V.42/MNP reliable (error-correction) mode. The modem at-

 

 

tempts first a V.42 connection and then an MNP connection.

 

 

Failure to make a reliable connection results in the modem

 

 

hanging up. (Forces &Q5, S36=4, and S48=7.)

 

\N3

V.42/MNP auto-reliable mode. The modem attempts first to

 

 

connect in V.42 mode, then in MNP mode, and finally in non-

 

 

error-correction mode with data buffering. (Forces &Q5, S36=7,

 

 

and S48=7.)

 

\N4

V.42 (LAPM) reliable mode.If the modem cannot make a V.42

 

 

connection, it disconnects. (Forces &Q5 and S48=0.) Note: The

 

 

-K1command can override the \N4 command.

 

\N5

MNP reliable mode.If the modem cannot make an MNP con-

 

 

nection, it disconnects. (Forces &Q5, S36=4, and S48=128.)

Command:

\Vn

Single Line Connect Message

Values:

 

n = 0 or 1

Default:

 

0

Description:

\V0

Disables single line connect message. Connect messages are

 

 

controlled by the X, W, and S95 settings.

 

\V1

Enables single line connect messages in the format: CONNECT

 

 

<Serial Port Speed></Modulation></Protocol></Compression>

 

 

</Line Speed>/<Voice and Data>. Connect messages are dis-

 

 

played in the single line format subject to the commands V and

 

 

Q. In non-verbose mode (V0), single line connect messages are

 

 

disabled and a single numeric result code is generated for

 

 

CONNECT.

44

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Contents Model MT5600BA Model MT5600BL Record of Revisions FCC Part Using the Front Panel IntroductionQuick Start MultiModemII User GuideAT Commands, S-Registers & Result Codes Remote ConfigurationSolving Problems Callback SecurityAppendix D Warranty, Service, and Technical Support Appendix a Regulatory ComplianceAppendix C Loopback Tests Appendix E Upgrading the ModemContents Viii Introduction Introduction FeaturesProduct Description Introduction DataWhat Is in Your Modem Package? Related ManualsQuick Start Safety Warnings What You Will NeedWe supply You supplyConnect the Modem to Your System RS232 ConnectionDialup Connection Quick StartTwo-Wire Leased Line Connection Four-Wire Leased Line ConnectionPower Connection Power-On TestAdding the Modem to Windows Install the Modem in WindowsRemoving Your Old Modem from Windows Install and Configure Your Software Call the Multi-Tech BBS Trio DataCommWindows HyperTerminal Windows Terminal Trio Fax Send a FaxMicrosoft Fax Select Start Programs Accessories Fax Compose new fax ReferencesMultiModemII User Guide Using the Front Panel Modem Configuration LED IndicatorsUsing the Front Panel Liquid Crystal Display LCDOption Selection Menu StructureMultiModemII User Guide Menu Overview Using the Front Panel Status Trunk MultiModemII User Guide Basic Options Trunk Using the Front Panel Advanced Options Trunk MultiModemII User Guide Remote Configuration Options Trunk Diagnostic Options TrunkUsing the Front Panel Phone Number Memory Options Trunk Caller ID Options TrunkMenu Options StatusUsing the Front Panel Basic Options Advanced Options ImplementedRemote Configuration Options Phone Number Memory Options MultiModemII User Guide Diagnostic OptionsCaller ID Options AT Commands Registers Result Codes Introduction AT Commands AT Commands, S-Registers, and Result CodesEcho Command Mode Characters DS= y Dial Stored Telephone NumberHook Control Information RequestMonitor Speaker Volume Monitor Speaker ModeReturn Online to Data Mode Result Codes Enable/DisableSelect Register Set Register ValueRead Register Value Tone DialingModem Reset Result Code SelectionLong Space Disconnect Data Carrier Detect DCD ControlError Correction Modes Load Factory SettingsData Terminal Ready DTR Control Modem-Initiated Flow Control22bis Guard Tone Control Communications ModeFlow Control Selection Sync/Async Mode Test CommandsClear to Send CTS Control Data Set Ready DSR ControlDisplay Current Configuration Store Current ConfigurationDisplay Last Connection Statistics Synchronous Clock SourceSelect Profile for Hard Reset Line Signal LevelZy =x Store Telephone Number Data Compression ControlLine Signal Quality PCM Code Selection\An Maximum MNP Block Size \Bn Transmit Break\Nn Error Correction Mode Selection \Vn Single Line Connect Message+MS= Modulation Selection Reserved,maxTXrateCRMNP Extended Services Command -SDR=nDistinctive Ring Control Command #CBNy=x Store Callback NumberCommand #CBPy=x Store Callback Password Flash Memory DownloadCommand #CID= n Caller ID Callback Enable/DisableCommand $SBn Serial Port Baud Rate Escape SequenceRegister Unit Range Default Description RegistersS32 S36 S46 Result Codes Terse Verbose DescriptionProtocol ALT +FCERROR MultiModemII User Guide Remote Configuration Setup Basic ProcedureChanging the Remote Configuration Password Remote Configuration Changing the Remote Escape CharacterMultiModemII User Guide Callback Security Setup Procedures Turning Callback Security On and OffAssigning Callback Passwords Callback SecurityAssigning Callback Phone Numbers Callback Security Commands Calling ProcedureCommand #CBN y= x Store Callback Number Command #CBPy=x Store Callback Password Callback Assignments MultiModemII User Guide Leased Line Operation Two-Wire Setup Four-Wire Setup Leased Line OperationDial Backup and Leased Line Restoral Dial Backup and Leased Line Restoral SetupLeased Line Operation MultiModemII User Guide Solving Problems None of the Indicators Light Modem Does Not Respond to Commands Solving ProblemsModem Dials But Cannot Connect Modem4Disconnects While Online Modem4Cannot Connect When Answering File Transfer4Is Slower Than It Should BeThere Are Garbage4 Characters on the Monitor Data Is Being LostModem4Doesn’t Work with Caller ID Fax and Data4Software Can’t Run at the Same Time Appendixes Appendix a Regulatory Compliance FCC Part 68 TelecomFax Branding Statement Regulatory ComplianceInternational Modem Restrictions Canadian Limitations NoticeCommission Decision CTR21 EMC, Safety, and Terminal Directive Compliance New Zealand Telecom Warning NoticeAppendix B Technical Specifications Technical Specifications Receiver Sensitivity Local Analog Loopback Test V.54 Loop Test procedureLoopback Tests Remote Digital Loopback Test V.54 Loop Figure C-2. Remote digital loopback testLocal Digital Loopback Test V.54 Loop Figure C-3. Local digital loopback testBack-to-Back Test Figure C-5. Back-to-back test connections Limited Warranty ServiceOnline Warranty Registration Warranty, Service, and Technical SupportTechnical Support Multi-Tech BBSAbout the Internet Ordering Modem Accessories SupplyNet Online Ordering InstructionsUpgrade Overview Identify the Modem FirmwareIdentify the Current Firmware Version Multi-Tech Web SiteMulti-Tech BBS Upgrading the ModemExtract the Upgrade Files Download the Upgrade FileSet the Modem to the Factory Defaults Upgrade the Modem’s Firmware Restore Your ParametersAppendix F Cable Pinouts RS-232 PinoutsLeased Line Pinouts Cable PinoutsAppendix G Ascii Character Map Ctrl Code Hex DecIndex 108 Index 110
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