Multi-Tech Systems MT2834BA, MT2834BL - page 100

100

Appendix C - AT Command Summary

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

Command Values Description

DsNd s = phone # Store telephone number. To store, phone d = 0 thru

9 number ”s“ is entered and followed by N and then

Directory Number “d.”

&Dn n = 0 thru 3 &D0 DTR is ignored

&D1 means modem returns to command mode.

* &D2 lets modem react to DTR normally.

&D3 causes modem to reset to modem default

parameters.

%DFn n = 0 or 1 * %DF0 Line Probe Data in Graph Format.

%DF1 Line Probe Data in Table Format.

%DPn n = 0 or 1 * %DP0 do not read Line Probe Information from DSP

during handshaking.

%DP1 read Line Probe Information from DSP during

handshaking.

$Dn n = 0 or 1 * $D0 disables DTR Dialing.

$D1 enables DTR Dialing.

En n = 0 or 1 E0 means do not echo Command Mode Character.

* E1 means do echo Command Mode characters.

&En n = 0 thru 15 &E0 means no error correction.

* &E1 means V.42 Auto-reliable Mode.

&E2 means V.42 Reliable Mode.

&E3 means no modem-initiated flow control.

* &E4 means CTS modem-initiated flow control.

&E5 means Xon/Xoff modem-initiated flow control.

* &E6 means Xon/Xoff not passed through.

&E7 means Xon/Xoff passed through.

* &E8 means Enq/Ack pacing off.

&E9 means Enq/Ack pacing on.

* &E10 means Normal Mode flow control off.

&E11 means Normal Mode flow control on.

&E12 means Pacing off.

* &E13 means Pacing on.

&E14 means data compression disabled.

* &E15 means data compression enabled.

$EBn n = 0 or 1 * $EB0 enables 10 bit mode.

$EB1 enables 11 bit mode.

%En n=0 thru 5 % E0 = Modem Won’t Escape.

* % E1 = +++ Method (default setting).

% E2 = Break Method.

% E3 = Either +++ or Break Method.

% E4 = No "OK" Response to +++

% E5 = "OK" Response to +++

#Fn n = 0 thru 2 #F0 means no fallback when on-line.

#F1 means fallbackwhen on-line (increments of

2400 bps).

* #F2 means fallback to 4800 bps/fall forward if line

improves (increments of 2400 bps).

*Factory Default

Contents

Main User Guide Contents Page Page 1.1 Introduction 1.2 How To Use This Manual Chapter 1 - Introduction and Description Chapter 2 - Installation and Connection Chapter 3 - Software Configuration and Modem Basics 1.3 Modem Features 1.3.1 MT2834BA/BL Series Features 1.4 Fax Features 1.5 Technical Specifications 1.6 Power 1.7 Modem LED Indicators 14.4 Fax CD FX 1.8 Controls on PC Board Page 2.1 What Is in Your Modem Package? 2.2 Installation 2.2.1 Safety Warnings 2.2.2 Installation Procedure Page 2.3 Installing PhoneTools, the Data Communications Software 2.4 Is Your Modem Ready for Use? Page 3.1 Introduction 3.2 Configuring Your Software 3.2.1 Configuring Software for Your Modem 3.3 PC Initialization Strings 3.3.1 Changing Default Parameters 3.3.2 Other Parameters 3.4 Configuring Software for Your Computer 3.5 Modem Basics 3.5.1 Simple Operations 3.6 The Answer/Originate - Voice/Data Toggle Switch Page 4.1 Introduction 4.2 Dialing/On-Line/Answering 4.3 Automatic Leased Line Restoral Operation 4.4 Manual Dial Backup Call Termination 4.5 Dial Backup and Leased Line Restoral 4.6 Dial-Up Operation 4.7 Manual Call Origination 4.8 Automatic Answering 4.9 Manual Answering 4.10 Handshaking Details 4.11 Call Termination Page 5.1 Introduction 5.1.1 AT Command Editing 5.1.2 Functional Modes 5.2 Summary of AT Commands Page Page 5.3 Result Codes 5.4 Dialing Commands 5.4.1 Dialing Action Commands Dial Command D Continuous Redial (not used in BAI/BLI) A: or : Dialing a Stored Number N 5.4.2 Dial Modifier Commands Pulse or Tone Dial P T Set Pulse Dial Ratios &P Automatic Pauses in Dialing , Long Space Disconnect Y Wait for New Dial-Tone W Return to Command Mode After Dial Command Execution ; Reverse the Mode of Operation R ATDT 1028806127853500 $ Quiet Answer @ 5.4.3 Phone Number Memory Commands Storing Phone Numbers D...N Number Linking NN Listing Numbers Stored in Memory L 5.4.4 Configuration and Default Storage Commands Store Configuration & S-Register Parameters in Non-Volatile Memory &W Loading Factory Defaults &F Modem Reset Z Unix UUCP Spoofing $SP Async/Sync Mode Switching &M Synchronous Transmit Clock Select &X 5.4.5 Command Response (Result Code) Commands Echo Command Mode Characters E Result Codes Enable/Disable and No Response Answer Q Result Codes ("Multi-Tech" or "Standard AT") &Q Result Codes (Verbose/Terse) V Result Codes (Basic and Extended) and Call Progress Selection X 5.4.6 Phone Line Conditioning Commands Guard Tones (Not Used in BAI/BLI Models) &G Bell/V.21 Tone B Phone Line Monitoring Speaker M Enable or Disable Recognition of Remote Digital Loop Signal &T Fallback Modes When On-Line #F Enable/Disable Lowspeed Fast Connect $FC Cleardown at Disconnect &CD Auto Speed Detect #A 5.4.7 RS-232C Interface Control Commands Carrier Detect Control &C Data Terminal Ready Control &D CTS Control &R Data Set Ready Control &S CTS/RTS Interaction Control &RF DSR/CD Interaction Control &SF 5.4.8 Error Correction Commands Normal Mode &E0 Auto-Reliable Mode &E1 Reliable Mode &E2 V.42 Mode Select #L Auto-Reliable Buffering $A Enable/Disable Auto Reliable Fallback Character $F Retransmit Count $R V.42 Error Correction/300bps $E 5.4.9 Flow Control Commands Hardware Flow Control &E4 Xon/Xoff Flow Control &E5 Xon/Xoff Pass-Through &E7 Send Xon/Xoff Characters #X Hewlett-Packard ENQ/ACK Pacing &E9 Normal Mode Modem Flow Control On &E11 Terminal/Computer Initiated Pacing &E13 Maximum Block Size &BS Parity Selection #P 5.4.10 Compression, Error Correction, Flow Control, Pass- Through and Pacing Commands 5.4.11 Speed Conversion Commands Speed Conversion $BA Modem Baud Rate $MB Serial Port Baud Rate $SB 5.4.12 Immediate Action Commands Help Screens $H Inquiry for Product Code I Windows 95 Autodetect Inquiry I9 Listing Current Operating Parameters L5 L7 Listing On-Line Diagnostics L8 Off Hook H Escape Sequences- Entering Command Mode While Still On-Line +++AT<CR> BREAK AT<CR> Escape Sequence Options - Entering Command Mode While On-Line %E 5.4.13 Line Probe Commands Page 6.1 Introduction S0 Number of Rings Until Modem Answers S1 Rings Which Have Occurred S2 Escape Code Character S3 Return Character Page Page Page Page Page Page 6.2 Reading and Assigning S-Register Values 6.2.1 Examples of Assigning Values 6.2.2 Examples of Reading Values 6.3 AT Command and S-Register Summary Page 7.1 Introduction 7.2 Callback Feature Description 7.3 Remote Configuration Description 7.3.1 Initial Setup Procedures for Callback and Remote Configuration. Page Page 7.3.2 Remote Configuration Procedures 7.4 Remote Configuration and Callback Security AT Commands Callback Security Enable/Disable #DB Change LOGIN Password #I Change SETUP Password #S Erase Callback Password #RCBNxx 7.5 Remote Configuration/Callback Security S-Registers Remote Configuration Character (S13) Callback Time Delay (S15) Callback Attempts (S16) Failed Password Attempts (S26) Page 8.1 Introduction 8.2 DIP-Switch Option Settings Page Page Page Page 8.3 Speaker Volume Control 8.4 Recording Option Configurations DIP-Switches DIP Switches #13-14 DIP Switches #15-16 (MT2834BA) DIP Switches #15-16 (MT2834BL) Page 9.1 Introduction 9.2 Multi-Tech Systems, Inc. Warranty & Repairs Policies Warranty Repair Procedures for U.S. and Canadian Customers Repair Procedures for International Customers (Outside U.S.A. and Canada) 8.3 Online Warranty Registration 9.4 Replacement Parts 9.5 Technical Support 9.6 Internet Sites Page Appendix A - Upgrading Your Modems Firmware Upgrade Overview Step 1: Identify the Modem Firmware Step 2: Identify the Current Firmware Version Step 3: Download the Upgrade File Step 4: Extract the Upgrade Files Step 5: Clear Your Stored Parameters Step 6: Upgrade the Modems Firmware Step 7: Restore Your Parameters Appendix B - Troubleshooting None of the LEDs Light When the Modem Is On The Modem Does Not Respond to Commands Page The Modem Dials But Cannot Make a Connection The Modem Disconnects While On-line The Modem Cannot Connect When Answering File Transfer Is Slower Than It Should Be I Am Losing Data I Am Getting Garbage Characters on the Monitor My Fax and Communications Software Wont Run at the Same Time Appendix C - AT Command Summary Page Page Page Page Page Callback Security/Remote Configuration Command Summary Password Command Summary V.25bis Commands Appendix D - V.25bis Operation Delayed and Forbidden Numbers V.25bis Operation V.25bis Set-Up and Initialization V.25bis Mode AT Commands V.25bis Responses (Result Codes) V.25bis AT Commands Enable/Disable V.25bis Mode ($V) Command Change Serial Baud Rate (CSP) Command Dial Phone Number Provided (CRN) Command Listing Delayed Phone Numbers (RLD) Command Listing Forbidden Phone Number (RLF) Command Disregard or Connect to Incoming Calls (DIC or CIC) Command DTR Dialing ($D) Command ITU V.25bis Country Specific Information Page Appendix E - MultiModemBA/BL Cables Appendix E - MultiModemBA Cables Figure E-3. Four-Wire Leased Line Connection These cables connect your modem to your terminal or computers serial port. 25-PIN DTE Connector 25-PIN DCE Device Appendix F - Regulatory Information FCC Part 15 FCC Part 68 Telecom Canadian Limitations Notice South African Notice Index Symbols A B C F G H I L Q R S T U