Multi-Tech Systems MT5600DSVD Nn Error Correction Mode Selection, Vn Single Line Connect Message

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MultiModemDSVD User Guide

4 AT Commands, S-Registers, and Result Codes

 

 

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>. Overrides the X, W, and S95

commands. Connect messages are displayed 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.

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Contents Page Record of Revisions Introduction AT Commands, S-Registers & Result Codes Appendix E Upgrading the Modem Introduction Introduction FeaturesProduct Description Data What Is in Your Modem Package? Related ManualsInstallation Safety Warnings What You Will NeedWe supply You supplyChange the Speaker Jumper Mount the FeetOpening the Modem Changing the Speaker Jumper Location of speaker jumperRS232 Connection Connect the Modem to Your SystemLine Connection Power Connection Power-On TestPhone Connection Microphone ConnectionInstalling the Modem Driver Install the Modem DriverRemoving Your Old Modem Driver Install and Configure Your Software Operation Front Panel Configuring the Modem Connecting to the InternetTo install and run Dial-Up Networking in Windows 95 or To dial your Internet access providerDial-Up Networking Dial-Up Networking in Windows 95/98Dial-Up Networking in Windows Me To install Dial-Up NetworkingDial-Up Networking in Windows NT Select Start Settings Network and Dial-up Connections Dial-Up Networking in WindowsFax Operation To Originate a Voice Call in Speakerphone ModeVoice Operation To Originate a Dsvd Call Using the Headset To Answer a Voice Call in Speakerphone ModeTo Answer a Dsvd Call Using the Headset References AT Commands Registers Result Codes AT Commands AT Command Summary Echo Command Mode Characters DS=y Dial Stored Telephone NumberHook Control Information RequestMonitor Speaker Volume Monitor Speaker ModeDisplay Legacy Parameters Modulation HandshakeReturn Online to Data Mode Result Codes Enable/DisablePulse Dialing Select RegisterModem Reset Connect Message ControlResult Code Selection Long Space DisconnectError Correction Modes Data Carrier Detect DCD ControlData Terminal Ready DTR Control Modem-Initiated Flow ControlLoad Factory Settings 42bis Data Compression22bis Guard Tone Control Telephone Jack ControlCommunications Mode Asynchronous Communications ModeTest Commands Pulse Dial Make/Break RatioDisplay Current Configuration Store Current ConfigurationSelect Profile for Hard Reset Display Last Connection StatisticsLine Signal Level Line Signal QualityZy=x Store Telephone Number Data Compression ControlPCM Code Selection \An Maximum MNP Block Size\Bn Transmit Break \Kn Break Control\Nn Error Correction Mode Selection \Vn Single Line Connect MessageModulation Selection SubparametersMNP Extended Services Distinctive Ring Control Command #CID=n Caller IDFlash Memory Download Voice Commands Command $SBn Serial Port Baud RateCommand +++ATCR Escape Sequence Command -SMS=nData/DSVD ModeDsvd Enable/Disable Command #BDR=n Baud Rate SelectCommand #CLS=n Data, Fax, or Voice/Audio Select Command #MDL? Identify ModelRegister Unit Range Default Description RegistersS32 S37 Register Unit Range Default Description S86 Result Codes Terse Verbose DescriptionProtocol ALT +FCERROR Solving Problems None of the Indicators Light Modem Does Not Respond to Commands LightModem Dials But Cannot Connect Modem4Disconnects While Online File Transfer4Is Slower Than It Should Be Modem4Cannot Connect When AnsweringData Is Being Lost Modem4Doesn’t Work with Caller ID There Are Garbage4 Characters on the MonitorFax and Data4Software Can’t Run at the Same Time Appendixes Appendix a Regulatory Compliance FCC Part 68 TelecomFCC Part Industry CanadaFax Branding Statement Canadian Limitations NoticeInternational Modem Restrictions EMC, Safety, and R&TTE Directive ComplianceNew Zealand Telecom Warning Notice South African Notice Appendix B Technical Specifications MultiModemDSVD User Guide Technical Specifications Voice Compression Test procedure Local Analog Loopback Test V.54 LoopRemote 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 testMultiModemDSVD User Guide Loopback Tests Limited Warranty Online Warranty RegistrationService North American ProductsTechnical Support International ProductsOrdering Accessories Internet SitesUpgrade Overview Identify the Modem FirmwareDownload the Upgrade File Extract the Upgrade FilesIdentify the Current Firmware Version Clear Your Stored ParamentersUpgrade the Modem’s Firmware Restore Your ParametersIndex MultiModemDSVD User Guide Index MultiModemDSVD User Guide Index MultiModemDSVD User Guide Index