Multi-Tech Systems MT5600DSVD manual AT Command Summary

Page 29

MultiModemDSVD User Guide 4 AT Commands, S-Registers, and Result Codes

AT Command Summary

Command:

AT

Attention Code

Values:

 

n/a

Description:

 

The attention code precedes all command lines except A/ and

 

 

the escape sequence.

Command:

ENTER Key

Values:

 

n/a

Description:

 

Press the ENTER or RETURN key to execute most commands.

Command:

A

Answer

Values:

 

n/a

Description:

 

Answers an incoming call before the final ring.

Command:

A/

Repeat Last Command

Values:

 

n/a

Description:

 

Repeats the last command string. Do not precede this com-

 

 

mand with AT. Do not press ENTER to execute.

Command:

Bn

Communication Standard Setting

Values:

 

n = 0 or 1

Default:

 

1

Description:

B0

Selects ITU-T V.22 mode when the modem is at 300 or 1200 bps.

 

B1

Selects Bell 212A when the modem is at 300 or 1200 bps.

Command:

Cn

Carrier Control

Values:

 

n = 1

Default:

 

1

Description: C0 Transmit carrier always off. (Not supported.)

 

C1

Normal transmit carrier switching (included for backward

 

 

compatibility with some software).

Command:

Ds

Dial

Values:

 

s = dial string (phone number and dial modifiers)

Default:

 

none

Description:

 

Dials telephone number s, where s may up to 40 characters

 

 

long and include the following dial string modifiers.

0–9Digits 0 through 9

*The “star” digit (tone dialing only)

#The “pound” digit (tone dialing only)

A–DA, B, C, and D tone digits. Country specific; some countries may prohibit these digits.

LRedial last number. (Must be placed immediately after ATD.) P Select pulse-dialing until a T is encountered. Affects current

and subsequent dialing.

T Select tone-dialing until a P is encountered. Affects current and subsequent dialing.

W Wait for a new dial tone before continuing to dial. (X2 or X4 must be selected.)

, Pause during dialing for time set in register S8.

24

Image 29
Contents Page Record of Revisions Introduction AT Commands, S-Registers & Result Codes Appendix E Upgrading the Modem Introduction Product Description FeaturesIntroduction Data Related Manuals What Is in Your Modem Package?Installation What You Will Need Safety WarningsWe supply You supplyOpening the Modem Mount the FeetChange the Speaker Jumper Location of speaker jumper Changing the Speaker JumperLine Connection Connect the Modem to Your SystemRS232 Connection Power-On Test Power ConnectionPhone Connection Microphone ConnectionRemoving Your Old Modem Driver Install the Modem DriverInstalling the Modem Driver Install and Configure Your Software Operation Front Panel Connecting to the Internet Configuring the ModemTo dial your Internet access provider To install and run Dial-Up Networking in Windows 95 orDial-Up Networking Dial-Up Networking in Windows 95/98Dial-Up Networking in Windows NT To install Dial-Up NetworkingDial-Up Networking in Windows Me Dial-Up Networking in Windows Select Start Settings Network and Dial-up ConnectionsVoice Operation To Originate a Voice Call in Speakerphone ModeFax Operation To Answer a Dsvd Call Using the Headset To Answer a Voice Call in Speakerphone ModeTo Originate a Dsvd Call Using the Headset References AT Commands Registers Result Codes AT Commands AT Command Summary DS=y Dial Stored Telephone Number Echo Command Mode CharactersHook Control Information RequestMonitor Speaker Mode Monitor Speaker VolumeDisplay Legacy Parameters Modulation HandshakeResult Codes Enable/Disable Return Online to Data ModePulse Dialing Select RegisterConnect Message Control Modem ResetResult Code Selection Long Space DisconnectData Carrier Detect DCD Control Error Correction ModesData Terminal Ready DTR Control Modem-Initiated Flow Control42bis Data Compression Load Factory Settings22bis Guard Tone Control Telephone Jack ControlAsynchronous Communications Mode Communications ModeTest Commands Pulse Dial Make/Break RatioStore Current Configuration Display Current ConfigurationSelect Profile for Hard Reset Display Last Connection StatisticsLine Signal Quality Line Signal LevelZy=x Store Telephone Number Data Compression Control\An Maximum MNP Block Size PCM Code Selection\Bn Transmit Break \Kn Break Control\Vn Single Line Connect Message \Nn Error Correction Mode SelectionSubparameters Modulation SelectionMNP Extended Services Flash Memory Download Command #CID=n Caller IDDistinctive Ring Control Command $SBn Serial Port Baud Rate Voice CommandsCommand +++ATCR Escape Sequence Command -SMS=nData/DSVD ModeCommand #BDR=n Baud Rate Select Dsvd Enable/DisableCommand #CLS=n Data, Fax, or Voice/Audio Select Command #MDL? Identify ModelRegisters Register Unit Range Default DescriptionS32 S37 Register Unit Range Default Description S86 Terse Verbose Description Result CodesProtocol ALT +FCERROR Solving Problems None of the Indicators Light Light Modem Does Not Respond to CommandsModem Dials But Cannot Connect Modem4Disconnects While Online Data Is Being Lost Modem4Cannot Connect When AnsweringFile Transfer4Is Slower Than It Should Be Fax and Data4Software Can’t Run at the Same Time There Are Garbage4 Characters on the MonitorModem4Doesn’t Work with Caller ID Appendixes FCC Part 68 Telecom Appendix a Regulatory ComplianceIndustry Canada FCC PartCanadian Limitations Notice Fax Branding StatementNew Zealand Telecom Warning Notice EMC, Safety, and R&TTE Directive ComplianceInternational Modem Restrictions South African Notice Appendix B Technical Specifications MultiModemDSVD User Guide Technical Specifications Voice Compression Local Analog Loopback Test V.54 Loop Test procedureFigure C-2. Remote digital loopback test Remote Digital Loopback Test V.54 LoopFigure C-3. Local digital loopback test Local Digital Loopback Test V.54 LoopMultiModemDSVD User Guide Loopback Tests Online Warranty Registration Limited WarrantyService North American ProductsInternational Products Technical SupportInternet Sites Ordering AccessoriesIdentify the Modem Firmware Upgrade OverviewExtract the Upgrade Files Download the Upgrade FileIdentify the Current Firmware Version Clear Your Stored ParamentersRestore Your Parameters Upgrade the Modem’s FirmwareIndex MultiModemDSVD User Guide Index MultiModemDSVD User Guide Index MultiModemDSVD User Guide Index