Main
User Guide
Contents
Index.................................................................................106
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 2834 Series Features
Enhanced V.34
Enhanced
1.4 Fax Features
1.5 Technical Specifications
terbo
1.6 Power
1.7 Modem LED Indicators
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
* indicates Factory Default setting
2.3 Installing Data Communications Software
Page
3.1 Introduction
3.2 Configuring Your Software
LINE
DATA
BUSY,
3.4.1 Changing Default Parameters
3.4.2 Other Parameters
minimum
not
RING, NO CARRIER, BUSY,
3.5.2 Terminal Emulation
terminal emulation
3.5.3 File Transfer Protocols
Page
4.1 Introduction
4.1.1 AT Command Editing
4.1.2 Functional Modes
4.2 Summary of AT Commands
Page
Page
4.3 Result Codes
4.4 Dialing Commands 4.4.1 Dialing Action Commands
Dial Command D
Continuous Redial (not used in BAI) A: or :
Dialing a Stored Number N
DTR Dialing $D
4.4.2 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 ;
ATDT 1028806127853500 $
Quiet Answer @
4.4.3 Phone Number Memory Commands
Storing Phone Numbers D...N
Number Linking NN
4.4.4 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
4.4.5 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
4.4.6 Phone Line Conditioning Commands
Guard Tones (Not Used in BAI Models) &G
Bell/V.21 Tone B
Phone Line Monitoring Speaker M
Enable or Disable Recognition of Remote Digital Loop Signal &T
Enable/Disable Trelis Coded Modulation #T
Fallback Modes When On-Line #F
4.4.7 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
4.4.8 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 $E
4.4.9 Flow Control Commands
Hardware Flow Control &E4
&E3
Respond, No Pass-Through
Respond, Pass-Through
Xoff
Send Xon/Xoff Characters #X
Hewlett-Packard ENQ/ACK Pacing &E9
AT&BS1
AT&BS0
speed
4.4.10 Compression, Error Correction, Flow Control, Pass- Through and Pacing Commands
4.4.11 Speed Conversion Commands
baud rate
AT$MBn
transmission
$MB
Serial Port Baud Rate $SB
$BA
AT$SBn
ATZ
4.4.12 Immediate Action Commands
Help Screens $H
Inquiry for Product Code I
Windows 95 Autodetect Inquiry I9
Listing Current Operating Parameters L5 L7
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
Force Answer Mode A
4.4.13 Line Probe Commands
Page
5.1 Introduction
=
+
read
ATS8?
Page
S9 Carrier Detect Response Time
S10 Carrier Loss Disconnect Delay Time
%%%
%
S11 Tone Dialing: Tone Spacing and Duration
Page
S26 Failed Password Attempts
003
#DB1
ATS26?
S29 Local Inactivity Timer
5.2 Reading and Assigning S-Register Values
5.2.1 Examples of Assigning Values
5.2.2 Examples of Reading Values
5.3 AT Command and S-Register Summary
Page
6.1 Introduction
6.2 Callback Feature Description
6.3 Remote Configuration Description
6.3.1 Initial Setup Procedures for Callback and Remote Configuration.
Page
Page
AT#Ixxxxxxxxxx<CR>
AT#Syyyyyyyyyy<CR>
Password>
DB>
6.3.2 Remote Configuration Procedures
1. - DATA Mode 2. - COMMAND Mode
6.4 Remote Configuration and Callback Security AT Commands
Callback Security Enable/Disable #DB
Change LOGIN Password #I
Change SETUP Password #S
"SMODEMSETUP"
6.5 Remote Configuration/Callback Security S-Registers
Remote Configuration Character (S13)
Callback Time Delay (S15)
Callback Attempts (S16)
Failed Password Attempts (S26)
Local Inactivity Timer (S29)
#DB1
Page
7.1 Introduction
7.2 DIP-Switch Option Settings
&E4
&E5
&E4
Page
Page
Page
Page
7.3 Speaker Volume Control
7.4 Recording Option Configurations
DIP-Switches
"Multi-Tech"
"AT"
DIP Switches #13-14
$MBn
DIP Switches #15-16
Page
8.1 Introduction
BBS
8.2 Multi-Tech Systems, Inc. Warranty & Repairs Policies
Warranty
Repair Procedures for U.S. and Canadian Customers
8.3 Online Warranty Registration
http:// www.multitech.com/register/
8.4 Replacement Parts
8.5 Technical Support
8.6 Internet Sites
Page
Appendix A -- Upgrading Your Modems Firmware
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
ERROR: No valid devices detected
Programming Complete
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
9
NO ANSWER
9
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
Apendix C - AT Command Summary
D
N
#F
%E
$EB
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
ATX1
$VD1
V.25bis Set-Up and Initialization
V.25bis Mode AT Commands
V.25bis Responses (Result Codes)
V.25bis AT Commands
Enable/Disable V.25bis Mode ($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 ($D) Command
AT$D
t
PAUt
PAU
CFINT
102
MultiModemBA User Guide
Figure E-2. Two Wire Leased Line Connection
Appendix E - MultiModemBA Cables
These cables connect your modem to your terminal or computers serial port.
25-PIN DTE Connector 25-PIN DCE
Device
Figure E-1. RS232 Cable (IBM PC)
Appendix F - Regulatory Information FCC Part 15
FCC Part 68 Telecom
Canadian Limitations Notice
International Modem Restrictions
EMC, Safety, and R&TTE Directive Compliance
Index
A
B
C
D
F
G
H
I
L
Q
R
S
T
U