Page 2 - User Guide; Date; By Email
User Guide S000300B Revision B MultiModem II Models: MT2834BA, MT2834BAI, MT2834BL, MT2834BLI This publication may not be reproduced, in whole or in part, without prior expressed written permissionfrom Multi-Tech Systems, Inc. All rights reserved. Copyright 2004©, by Multi-Tech Systems, Inc. Multi-T...
Page 3 - Contents
Contents Chapter 1 - Introduction and Description ......................................................................... 5 1.1 Introduction ...................................................................................................................................... 6 1.2 How To Use This ...
Page 5 - Chapter 1 - Introduction and Description
Page 6 - Introduction; How To Use This Manual
Chapter 1 - Introduction and Description Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 6 1.1 Introduction Welcome to the world of data communications. You have acquired one of the finest intelligentdesktop data/fax modems available today, the MultiModem II BA/BL series modem, from Multi- Te...
Page 7 - Chapter 7 - Callback and Remote Configuration; Modem Features
Chapter 1 - Introduction and Description Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 7 Chapter 6 - S-Registers Chapter 6 covers the modem's S-Registers, which enable the user to establish, read, and modifyvarious modem options. All of the S-Registers are charted and explained, followed by...
Page 8 - MT2834BA/BL Series Features
Chapter 1 - Introduction and Description Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 8 1.3.1 MT2834BA/BL Series Features Your MT2834BA/BL modem meets the proposed Enhanced V.34 ITU standard for data signallingrates as high as 33.6/31.2K bps in full duplex mode. Enhanced V.34 is an extensi...
Page 9 - Technical Specifications
Chapter 1 - Introduction and Description Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 9 1.5 Technical Specifications Your data/fax modem meets the specifications listed below: Tradename MultiModem IITM Model Numbers MT2834BA, MT2834BAI, MT2834BL, MT2834BLI Data Rates (modem) 33,600, 31,200...
Page 10 - Power
Chapter 1 - Introduction and Description Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 10 Fax Modulations V.21CH2 FSK at 300 bps, V.27ter DPSK at 4800 and 2400 bps,V.29 QAM at 9600 and 7200 bps, V.17 TCM at 14400, 12000, 9600,and 7200 bps Transmit Level -11dBm (dial-up), -9 or -15 dBm (leas...
Page 11 - Modem LED Indicators; FX; EC; CD; RD; Fax
Chapter 1 - Introduction and Description Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 11 1.7 Modem LED Indicators The MultiModem diagnostic LED indicators are shown in Figure 1-1 and Figure 1-2. FX EC TR OH 24 96 14.4 19.2 24.0 28.8 CD RD SD MT2834BA Series Intelligent Modem Voice/ Data An...
Page 12 - Controls on PC Board
Chapter 1 - Introduction and Description Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 12 1.8 Controls on PC Board The MultiModem is designed on a single printed circuit (PC) board. This board contains one 16-position DIP-Switch (numbered 1-16). The DIP-Switches are accessible through a cut...
Page 13 - Chapter 2 - Installation and Connection
Page 14 - What Is in Your Modem Package?; Installation; Condition
Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide Chapter 2 - Installation and Connection 14 2.1 What Is in Your Modem Package? Your MultiModem is made up of many components. Make sure you have them all before trying tooperate your modem. Your package should include: · MT2834BA or MT2834BL data...
Page 16 - Installing PhoneTools, the Data Communications Software
Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide Chapter 2 - Installation and Connection 16 2.3 Installing PhoneTools, the Data Communications Software Data communications software is designed to send and receive messages. Multi-Tech includes adata communications software program, PhoneTools, ...
Page 17 - Chapter 3 - Software Configuration and Modem Basics
Chapter 3 - Software Configuration and Modem Basics
Page 18 - Chapter 3 - Software Configuration
18 Chapter 3 - Software Configuration Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 3.1 Introduction Chapter 2 described the installation of PhoneTools, a communications software. If you are using adifferent software package, there are some points you should take into consideration. Since y...
Page 19 - Changing Default Parameters
19 Chapter 3 - Software Configuration Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 3.3.1 Changing Default Parameters By default, the modem will answer after the first ring and try to communicate with a modem on theother end of the line. If you have one telephone line for voice, fax, and mo...
Page 20 - Modem Basics; Simple Operations
20 Chapter 3 - Software Configuration Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 3.5 Modem Basics You control your modem by issuing AT commands, setting S-Registers, and setting DIP-Switches.You can easily change the settings of your DIP-Switches, as they are located on the right side of...
Page 21 - Chapter 4 - Manual Dial and Automatic Answer
Page 23 - Automatic Leased Line Restoral Operation
23 Chapter 4 - Manual Dial and Automatic Answer Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 4.3 Automatic Leased Line Restoral Operation When the modem is in Dial Backup mode, it periodically checks the leased line to see if it'soperational and tries to restore the leased line if possible...
Page 24 - Manual Call Origination
24 Chapter 4 - Manual Dial and Automatic Answer Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 4.6 Dial-Up Operation When your modem is used as a dial-up modem (DIP-Switch #10 in the UP position), it can bothoriginate and answer calls. To originate calls, you use the automatic dialing capabi...
Page 25 - Automatic Answering
25 Chapter 4 - Manual Dial and Automatic Answer Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 4.8 Automatic Answering The modem can be used as an automatic answering modem. No special modifications or settings arerequired other than making sure that the Auto-Answer select switch is set to A...
Page 26 - Handshaking Details; RETURN or, send a BREAK signal followed by ATH and a RETURN.
26 Chapter 4 - Manual Dial and Automatic Answer Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 4.10 Handshaking Details This section briefly explains what happens between two modems in a normal call. We are assumingthat there are MultiModems at both the originating and at the answering end o...
Page 27 - Chapter 5 - Command Mode
Page 29 - Summary of AT Commands; HOW TO
29 Chapter 5 - Command Mode Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide Dial ( D or A ) command, or incoming phone call Carrier detected HANG UP ON-LINE MODE WAIT FOR CARRIER COMMAND MODE AT0 Command +++AT No carrier detected Carrier lost Figure 5-1. Functional Modes 5.2 Summary of AT Com...
Page 32 - Result Codes
32 Chapter 5 - Command Mode Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 5.3 Result Codes The Command mode provides you with several responses, or “Result Codes”, that can aid you inCommand mode operation. These Result Codes are displayed on your monitor. You can choose result codes that c...
Page 33 - Dialing Action Commands; Dial Command D
33 Chapter 5 - Command Mode Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 5.4 Dialing Commands 5.4.1 Dialing Action Commands Dial Command D The letter D in a command causes the modem to dial the telephone number immediately following it.For example, if you enter ATD5551212 and hit RETURN, t...
Page 34 - Dial Modifier Commands; Pulse or Tone Dial P T
34 Chapter 5 - Command Mode Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide To activate DTR Dialing, enter AT$D1 and hit RETURN. The modem dials the phone number storedin the N0 location of memory when it receives a high DTR signal. DTR must remain high for theduration of the call, until disc...
Page 35 - Automatic Pauses in Dialing ,
35 Chapter 5 - Command Mode Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide Automatic Pauses in Dialing , You can cause the modem to pause during the dialing sequence by entering a comma characterwhere the pause is desired. This pause lasts two seconds. If a longer pause is desired, more than...
Page 36 - ATDT
36 Chapter 5 - Command Mode Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide "Calling Card" Detect Tones $ The modem has the capability to detect AT&T "calling card" tones for the purpose of utilizing theuser's calling card number to originate an on-line connection. An $ sy...
Page 37 - Phone Number Memory Commands; Number Linking NN
37 Chapter 5 - Command Mode Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 5.4.3 Phone Number Memory Commands Storing Phone Numbers D...N A telephone number and command line of up to sixty characters may be stored in the modem’snumber memory. As many as ten of these numbers may be stored. Ea...
Page 38 - Configuration and Default Storage Commands; Loading Factory Defaults &F; Previous Command; Modem Reset Z
38 Chapter 5 - Command Mode Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 5.4.4 Configuration and Default Storage Commands Store Configuration & S-Register Parameters in Non-Volatile Memory &W The modem can store configuration parameters and S-Register values in its nonvolatile read...
Page 39 - Unix UUCP Spoofing $SP
39 Chapter 5 - Command Mode Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide Unix UUCP Spoofing $SP The modem can be configured in a Unix environment that employs ACK flow control as a means ofmonitoring data integrity. The modem can do “UUCP spoofing”, where the modem is able to generateACKs ...
Page 40 - Echo Command Mode Characters E
40 Chapter 5 - Command Mode Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 5.4.5 Command Response (Result Code) Commands Echo Command Mode Characters E If the modem is connected to a full-duplex computer, it may be necessary for the modem to beconfigured to echo back characters entered while...
Page 41 - Result Codes (Basic and Extended) and Call Progress Selection X
41 Chapter 5 - Command Mode Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide Result Codes (Basic and Extended) and Call Progress Selection X The X Command is used to select one of two possible dialing methods (“dumb” or “smart”), and toselect various response combinations related to these meth...
Page 42 - Phone Line Conditioning Commands; Phone Line Monitoring Speaker M
42 Chapter 5 - Command Mode Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 5.4.6 Phone Line Conditioning Commands Guard Tones (Not Used in BAI/BLI Models) &G The &G command is used to control the presence or absence of guard tones from the transmitterwhen in Answer mode, at either 12...
Page 43 - Cleardown at Disconnect &CD
43 Chapter 5 - Command Mode Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide Fallback Modes When On-Line #F If line conditions deteriorate, the modem automatically drops its transmission speed (“fallback”). The#F command controls the different ways the modem falls back. During operation, if th...
Page 44 - RS-232C Interface Control Commands; Carrier Detect Control &C
44 Chapter 5 - Command Mode Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 5.4.7 RS-232C Interface Control Commands Carrier Detect Control &C The &C command allows you to control the status of the Carrier Detect signal (CD-Pin 8) on the RS-232C line. You have four choices. You can fo...
Page 45 - Data Set Ready Control &S
45 Chapter 5 - Command Mode Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide Data Set Ready Control &S The &S command allows you to control the status of the Data Set Ready signal (DSR - pin 6) on theRS-232C interface. You have three choices. You can force the signal high, allow it to ...
Page 46 - Error Correction Commands
46 Chapter 5 - Command Mode Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 5.4.8 Error Correction Commands You can use AT commands to place your modem one of three V.42 (error correction) modes ofoperation. These are the Normal, Auto-Reliable, and Reliable modes. Normal Mode &E0 In Norma...
Page 48 - Enable/Disable Auto Reliable Fallback Character $F
48 Chapter 5 - Command Mode Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide Enable/Disable Auto Reliable Fallback Character $F In Auto-Reliable mode, the modem is given four seconds to establish a Reliable connection. If asingle CARRIAGE RETURN is received from the remote modem during this fo...
Page 49 - Flow Control Commands; Hardware Flow Control &E4
49 Chapter 5 - Command Mode Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 5.4.9 Flow Control Commands Flow control refers to the techniques used by computer devices to stop and restart the flow of data toand from each other. Flow control is necessary so that a device does not receive more d...
Page 51 - Normal Mode Modem Flow Control On &E11
51 Chapter 5 - Command Mode Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide Normal Mode Modem Flow Control On &E11 When two MultiModems are connected in Normal mode (not using error correction), Xon/Xoff can beused to control the flow of data between the modems. Flow Control can be turned...
Page 52 - Normal Mode Modem Flow Control Commands:
52 Chapter 5 - Command Mode Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 5.4.10 Compression, Error Correction, Flow Control, Pass-Through and Pacing Commands The modem has a variety of commands to control its error correction and data compression options.These additional commands are liste...
Page 53 - Speed Conversion Commands
53 Chapter 5 - Command Mode Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 5.4.11 Speed Conversion Commands Speed conversion is a necessary part of data compression since data must be presented to themodem faster than it can handle data, if data compression is to be effective. Speed conversi...
Page 54 - Serial Port Baud Rate $SB
54 Chapter 5 - Command Mode Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide Serial Port Baud Rate $SB The $SB command presets the speed of the modem’s serial (RS-232C) port, in both Originate andAnswer modes. Speed conversion allows you to set this serial port baud rate at a fixed speed of up...
Page 55 - Immediate Action Commands; Inquiry for Product Code I
55 Chapter 5 - Command Mode Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 5.4.12 Immediate Action Commands Help Screens $H The Help command is designed to give you short explanations on how to use each modemcommand. The Help command can be quite useful if your manual is not handy and you ar...
Page 56 - Listing On-Line Diagnostics L8
56 Chapter 5 - Command Mode Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide Listing On-Line Diagnostics L8 The L8 command displays the current on-line CONNECT status of the modem. This display can beprinted and used as a modem status report or as diagnostic information (such as when calling T...
Page 57 - Force Answer Mode A; Exiting Command Mode, Going Back On-Line O; Line Probe Commands; Enable/Disable Reading of Line Probe Information Commands:
57 Chapter 5 - Command Mode Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide Force Answer Mode A You can force the modem into Answer mode with the modem’s A command. Entering ATA when in Command mode immediately brings your modem off-hook, out of Commandmode and into On-Line Answer mode, and c...
Page 67 - AT Command and S-Register Summary
67 Chapter 6 - S-Registers Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 6.3 AT Command and S-Register Summary The vast majority of installations are similar, with the modem being used to dial up a remoteinstallation where the call is automatically answered. Your modem has a default configu...
Page 68 - Chapter 7 - Callback Security and Remote Configuration
Chapter 7 - Callback Security and Remote Configuration
Page 70 - Remote Configuration Description; Table 7-1. Modem LOGIN, Setup and Remote Escape Code Procedures; To change your Remote Configuration feature status:
70 Chapter 7 - Callback Security and Remote Configuration Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 7.3 Remote Configuration Description The Remote Configuration feature is a network management tool that allows you to configuremodems remotely. This means you could configure modems anywh...
Page 71 - To set parity of the password/message prompt:
71 Chapter 7 - Callback Security and Remote Configuration Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide To turn your modem's Callback Security feature on and off: 7. If you want Callback Security with both remote and local password security, enter AT#DB1 andhit RETURN. You must turn on Call...
Page 72 - Table 7-3. Callback Operational Sequence Procedures
72 Chapter 7 - Callback Security and Remote Configuration Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide The + and/or - characters entered before the phone number are optional. The + (DepositNumber) code allows a caller to enter the number he or she wishes the Callback modem to callback when...
Page 73 - Remote Configuration Procedures; Table 7-4 Remote Configuration Operation Procedures
73 Chapter 7 - Callback Security and Remote Configuration Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 7.3.2 Remote Configuration Procedures The procedures for using the Remote Configuration features are the same whether or not a calloriginates from the remote modem. Once the modem is on-l...
Page 74 - Remote Configuration and Callback Security AT Commands; Callback Security Enable/Disable
74 Chapter 7 - Callback Security and Remote Configuration Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 7.4 Remote Configuration and Callback Security AT Commands When you have callback security enabled for the modem, anyone trying to connect with the modemwill be required to furnish a pass...
Page 75 - Remote Configuration/Callback Security S-Registers
75 Chapter 7 - Callback Security and Remote Configuration Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 7.5 Remote Configuration/Callback Security S-Registers The following S-Registers are used with Remote Configuration and Callback Security features. Remote Configuration Character (S13) S1...
Page 78 - DIP-Switch Option Settings
78 Chapter 8 - Dip-Switch Settings Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 8.2 DIP-Switch Option Settings Switch #1Forced DTR -- "DTR"(Asynchronous/Synchronous Mode/Leased Line/Dial-Up) The modem must have a high DTR signal in order to operate. DTR is provided to the modem by ...
Page 83 - Speaker Volume Control
83 Chapter 8 - Dip-Switch Settings Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide Switch #16 (MT2834BA Only)(Reserved for Future Use) Switch #16 (MT2834BL Only)2 Wire/4 Wire Operation(Asynchronous/Synchronous Mode) The modem works over either 2-wire or 4-wire leased lines. To select 4-wire o...
Page 84 - Recording Option Configurations; Switch
84 Chapter 8 - Dip-Switch Settings Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 8.4 Recording Option Configurations This section lets you record any changes you may have made to the DIP-Switch settings. Circle theappropriate setting and record the effect for future reference. DIP-Switches ...
Page 86 - Chapter 9 - Warranty, Service and Tech Support
Page 87 - Warranty
87 Chapter 9 - Warranty, Service, and Technical Support Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 9.1 Introduction This chapter starts out with statements about your modem's warranty and repair procedures. Thenext sections cover online warranty registration, replacement parts, and techn...
Page 88 - Repair Procedures for International Distributors; Online Warranty Registration
88 Chapter 9 - Warranty, Service, and Technical Support Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide Please direct your questions regarding technical matters, product configuration, verification that theproduct is defective, etc., to our Technical Support department at (800) 972-2439 or em...
Page 89 - Country; Internet Sites
89 Chapter 9 - Warranty, Service, and Technical Support Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 9.4 Replacement Parts SupplyNet, Inc., can supply you with replacement power supplies, cables and connectors for selectedMulti-Tech products. You can place an order with SupplyNet via mail,...
Page 90 - Appendixes
Page 91 - Appendix A - Upgrading Your Modem’s Firmware; Upgrade Overview; Step 1: Identify the Modem Firmware; Step 2: Identify the Current Firmware Version
91 Appendix A - Upgrading Your Modem’s Firmware Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide Appendix A - Upgrading Your Modem’s Firmware Your modem is controlled by semi-permanent software, called firmware, which is stored in flashmemory. Firmware is nonvolatile; that is, it remains store...
Page 92 - Step 3: Download the Upgrade File
92 Appendix A - Upgrading Your Modem’s Firmware Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 4. If the firmware version number matches the firmware version number found in “Step 1: Identify the Modem Firmware,” you have the current firmware version and do not need to be update. 5. If the f...
Page 93 - Step 6: Upgrade the Modem’s Firmware; Click the modem to be upgraded, and then click Next to proceed.; Step 7: Restore Your Parameters
93 Appendix A - Upgrading Your Modem’s Firmware Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 4. Type AT&W1Z and press E NTER to clear your stored parameters and reset your modem to factory default. 5. Close the terminal program. Step 6: Upgrade the Modem’s Firmware Before you begin the...
Page 94 - Appendix B - Troubleshooting; None of the LEDs Light When the Modem Is On
94 Appendix B - Troubleshooting Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide Appendix B - Troubleshooting Your modem was thoroughly tested at the factory before it was shipped. If you are unable to make asuccessful connection or if you experience data loss or garbled characters during your...
Page 96 - The Modem Dials But Cannot Make a Connection
96 Appendix B - Troubleshooting Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide The Modem Dials But Cannot Make a Connection There can be several reasons the modem fails to make a connection. Possibilities include · lack of a physical connection to the telephone line. · a wrong dial tone. · a...
Page 97 - The Modem Disconnects While On-line
97 Appendix B - Troubleshooting Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide The Modem Disconnects While On-line · If you have call waiting on the same phone line as your modem, it may interrupt your connectionwhen someone tries to call you. If you have call waiting, disable it before each...
Page 98 - I Am Getting Garbage Characters on the Monitor
98 Appendix B - Troubleshooting Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide I Am Getting Garbage Characters on the Monitor · Your computer and the remote computer may be set to different word lengths, stop bits, orparities. If you have connected at 8-N-1, try changing to 7-E-1, or vice-ve...
Page 99 - Appendix C - AT Command Summary; Command
99 Appendix C - AT Command Summary Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide Appendix C - AT Command Summary Command Values Description AT Attention Code that precedes most command stringsexcept A/, A: and Escape Codes. RETURN Pressing RETURN key executes most commands. $ This symbol pl...
Page 105 - Callback Security/Remote Configuration Command Summary
105 Appendix C - AT Command Summary Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide Callback Security/Remote Configuration Command Summary Command Description #DBn #DB0 disables Callback Security and answering Yesto the prompt turns off Callback Security and erasesstored phone numbers and pas...
Page 106 - Password Command Summary
106 Appendix C - AT Command Summary Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide Password Command Summary Command Description #Ixxxxxxxxxx Login Password is any keyboard characters (x)(upper/lower case sensitive), minimum 6 andmaximum 10 characters. The default LoginPassword is #IMULTI-TEC...
Page 107 - Delayed and Forbidden Numbers
107 Appendix D - V.25bis Operation Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide Appendix D - V.25bis Operation Chapter 4 described a set of commands which let the modem dial, hang-up, and be configured for variousapplications. However, these commands, the AT command set, are only functiona...
Page 108 - V.25bis Mode AT Commands
108 Appendix D - V.25bis Operation Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide V.25bis Set-Up and Initialization Before you operate your modem in the V.25bis mode, you need to make sure it is set up properly(various RS-232 lines such as DSR and CTS act as specified in the V.25bis standard...
Page 111 - ITU V.25bis Country Specific Information
111 Appendix D - V.25bis Operation Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide ITU V.25bis Country Specific Information Due to the flexibility of the V.25bis standard, each country may establish specific regulations governingthe way operations are handled. The purpose of this document is ...
Page 113 - Appendix E - MultiModemBA Cables; DTE; Figure E-2. Two Wire Leased Line Connection
113 Appendix E - MultiModemBA/BL Cables Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide Appendix E - MultiModemBA Cables These cables connect your modem to your terminal or computer’s serial port. 25-PIN DTE Connector 25-PIN DCE Device 2 TD 3 RD 4 RTS 5 CTS 6 DSR 7 GND 8 CD 20 DTR 22 RI TD 2 ...
Page 114 - Appendix F - Regulatory Information; Service Center in USA:
114 Appendix F - Regulatory Information Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide Appendix F - Regulatory Information FCC Part 15 This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 ofthe FCC Rules. These limits are design...
Page 115 - Canadian Limitations Notice
115 Appendix F - Regulatory Information Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide Canadian Limitations Notice Notice: The ringer equivalence number (REN) assigned to each terminal device provides an indication of the maximumnumber of terminals allowed to be connected to a telephone inte...
Page 116 - South African Notice
116 Appendix F - Regulatory Information Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 7. Some parameters required for compliance with Telecom’s Telepermit requirements are dependent on theequipment (PC) associated with this device. The associated equipment shall be set to operate within the...
Page 117 - Index; Symbols
117 Index Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide Index Symbols 2 Wire/ 4 Wire Operation .................................... 832 Wire/4 Wire Operation ..................................... 83 A Abort Timer ......................................................... 60Answer Mode .........