SocketModem | Multi-Tech Systems MT2456SMI22 instruction

SocketModem

Embedded Modem

MT2456SMI–22

Serial Interface

Developer’s Guide

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Multi-Tech Systems MT2456SMI22 manual SocketModem

Contents

SocketModem Country By Email By Phone PN S000281A, Version a Contents Product Description Product Description Specifications Speed Conversion Technical Specifications Maximum Component Height Physical Dimensions Pin Descriptions Pin Configurations 3V DC Power 3V and 5V Serial SocketModem Handling PrecautionsInput High Input Low Outputs Output High Output Low DTE/DCE Commands Generic Modem Control CommandsCall Control Commands Modulation Control Commands Synchronous Access Mode Commands Error Control and Data Compression CommandsFast Connect Command Line Side Device Commands Soft Reset and Restore Profile 22bis Generic Modem Control CommandsOperating Mode +VCID Caller ID CID Identification +GCI Country of Installation Procedure Restore Factory Configuration ProfileLocal Analog Loopback Test Load to Internal RAM Command Echo 22bis DTE/DCE-Modem Interface commandsQuiet Result Codes Control Result Code Form Extended Result Codes Connect Ring No Carrier Error No Dial Tone Busy No Answer Rlsd Option Short Form Long Form Value in ATXn CommandResult Codes OK 0 or DTR Option \G Modem-to-Modem Flow Control XON/XOFF RTS/CTS Option+IFC DTE-Modem Local Flow Control Entering and Exiting In Band Active State +IBC In Band CommandsEM Shielding Data Supported DCE-to-DTE Commands Command Hex Codes Description Supported DTE-to-DCE CommandsBand Processing of AT Commands Dial 22bis Call Control CommandsDial Modifiers Result Code Set Pulse Dial Default Set Tone Dial DefaultReturn to On-Line Data Mode Speaker Volume MSpeaker Control Display Current Configuration and Stored ProfilesSelect Guard Tone Select Pulse Dial Make/Break Ratio Report Line Signal Level \V Single Line Connect Message EnableReport Line Signal Quality Display Blacklisted Numbers NO. Phone Number -DELAY Display Delayed NumbersBehavior in Data Mode Syntax *D Example Reporting Selected Values +PCW Call Waiting Enable+VDR Distinctive Ring Table of +MS Command Supported Rates 22bis Modulation Control Commands+MS Modulation Selection Syntax ITU-T or Bell Enable/Disable Line Quality Monitor and Auto-Retrain +ESR Selective Repeat 22bis Error Control and Data Compression Commands+ETBM Call Termination Buffer Management \B Transmit Break to Remote Break Control Result Codes OK 0 to 5 Error Otherwise +ESA Configure Synchronous Access Submode 22bis Synchronous Access Mode CommandsReporting Selected Options +ESA? +ITF? Transmit Flow Control Thresholds $F Fast Connect Control 22bis FastConnect CommandSyntax $Fn Defined Values Threshold Adjustments for Telephony Extension 22bis Line Side Device CommandsTRV Tip and Ring Voltage Measurement Response Read/Write S-Parameter 22bis S-Parameters Register Function Range/Units Default Summary of S-Parameter DefaultsAscii S1 Ring Counter S0 Number of Rings to Auto-AnswerS2 Escape Character S3 Carriage Return Character S10 Lost Carrier To Hang Up Delay S8 Pause Time For Dial DelayS12 Escape Prompt Delay EPD S9 Carrier Detect Response Time S19 Reserved S16 Test Mode Bit Mapped Options StatusS20 Reserved S21 V.24/General Bit Mapped Options Status S25 Delay To DTR Off S24 Sleep Inactivity TimerS26 RTS to CTS Delay S22 Speaker/Results Bit Mapped Options Status S27 Bit Mapped Options Status S30 Disconnect Inactivity TimerS28 Bit Mapped Options Status S29 Flash Dial Modifier Time S36 Lapm Failure Control S38 Delay Before Forced Hang UpS37 Desired Line Connection Speed S39 Flow Control Bit Mapped Options Status S48 V.42 Negotiation Action S41 General Bit Mapped Options StatusS82 Break Handling Options S86 Call Failure Reason Code S95 Extended Result Codes Control S91 Pstn Transmit Attenuation Level Table of Result Code Definitions 22bis Result CodesCode Message Meaning Connect 75TX/1200RX Is enabled Figure A-1. Serial Test/Demo Board Block Diagram Block Diagram Country Certifications Product Safety and EMC ApprovalsCountry Country Code More planned Hardware Considerations Regulatory Design Considerations Safety Qty Name Description SocketModem Placement Multi-Tech Systems, Inc. Compliance ComplianceTelecom Requirements for the United States Label Physical Characteristics Label Content and Format Labeling Continuity and Changes Telecommunications Regulations for CanadaOther Label Requirements Industry Canada New Zealand Telecom Warning Notice International Modem Restrictions EMC, Safety, and R&TTE Directive ComplianceSouth African Statement Index Index