MT2834BA/MT2834BL SeriesIntelligent Data/Fax ModemsUser Guide

Chapter 1 - Introduction and DescriptionMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide10Fax Modulations V.21CH2 FSK at 300 bps, V.27ter DPSK a

100Appendix C - AT Command SummaryMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideCommand Values DescriptionDsNd s = phone # Store telephone num

101Appendix C - AT Command SummaryMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide&Fn n = 0, 8 or 9 &F loads factory default values from

102Appendix C - AT Command SummaryMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide$MBn n = speed $MB75 selects CCITT V.23 mode.$MB300 selects 30

103Appendix C - AT Command SummaryMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide$SBn n = speed $SB300 selects 300 bps at serial port.$SB1200 s

104Appendix C - AT Command SummaryMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideXn n = 0,1,2,3 or 4 * X0 selects Basic Result Codes (w/o CONNE

105Appendix C - AT Command SummaryMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideCallback Security/Remote Configuration Command SummaryCommand

106Appendix C - AT Command SummaryMulti-Tech Systems, Inc. MT2834BA/BL Series User GuidePassword Command SummaryCommand Description#Ixxxxxxxxxx Login

107Appendix D - V.25bis OperationMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideAppendix D - V.25bis OperationChapter 4 described a set of comm

108Appendix D - V.25bis OperationMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideV.25bis Set-Up and InitializationBefore you operate your modem

109Appendix D - V.25bis OperationMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideV.25bis Responses (Result Codes)When in V.25bis mode (the AT$V1

Chapter 1 - Introduction and DescriptionMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide111.7 Modem LED IndicatorsThe MultiModem diagnostic LED

110Appendix D - V.25bis OperationMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideDial Phone Number Provided (CRN) CommandThe CRN command permits

111Appendix D - V.25bis OperationMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideITU V.25bis Country Specific InformationDue to the flexibility

112Appendix D - V.25bis OperationMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide 5. Belgiuma) Command/Indication modification (none)b) Delay an

113Appendix E - MultiModemBA/BL CablesMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideAppendix E - MultiModemBA CablesThese cables connect your

114Appendix F - Regulatory InformationMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideAppendix F - Regulatory InformationFCC Part 15This equipme

115Appendix F - Regulatory InformationMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideCanadian Limitations NoticeNotice: The ringer equivalence

116Appendix F - Regulatory InformationMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide7. Some parameters required for compliance with Telecom’s

Appendix G – WEEE Statement Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide Appendix G – WEEE Statement (Waste Electrical and Electronic Equip

117IndexMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideIndexSymbols2 Wire/ 4 Wire Operation...832 Wire/4 Wire

118IndexMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideEnable/Suppress Responses... 78Erase Callback Password (#RCBN

Chapter 1 - Introduction and DescriptionMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide121.8 Controls on PC BoardThe MultiModem is designed on

119IndexMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideParity ... 18Parity Selec

Chapter 2 - Installation and Connection

Multi-Tech Systems, Inc. MT2834BA/BL Series User GuideChapter 2 - Installation and Connection142.1 What Is in Your Modem Package?Your MultiModem is ma

Multi-Tech Systems, Inc. MT2834BA/BL Series User GuideChapter 2 - Installation and Connection152. Verify that the ON/OFF switch at the rear of the mod

Multi-Tech Systems, Inc. MT2834BA/BL Series User GuideChapter 2 - Installation and Connection162.3 Installing PhoneTools, the Data Communications Soft

Chapter 3 - Software Configuration and Modem Basics

18Chapter 3 - Software ConfigurationMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide3.1 IntroductionChapter 2 described the installation of Phon

19Chapter 3 - Software ConfigurationMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide3.3.1 Changing Default ParametersBy default, the modem will

User GuideS000300B Revision BMultiModemII Models:MT2834BA, MT2834BAI, MT2834BL, MT2834BLIThis publication may not be reproduced, in whole or in part,

20Chapter 3 - Software ConfigurationMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide3.5 Modem BasicsYou control your modem by issuing AT command

Chapter 4 - Manual Dial and Automatic Answer

22Chapter 4 - Manual Dial and Automatic AnswerMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide4.1 IntroductionWe’ll assume that yours is the ver

23Chapter 4 - Manual Dial and Automatic AnswerMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide4.3 Automatic Leased Line Restoral OperationWhen t

24Chapter 4 - Manual Dial and Automatic AnswerMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide4.6 Dial-Up OperationWhen your modem is used as a

25Chapter 4 - Manual Dial and Automatic AnswerMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide4.8 Automatic AnsweringThe modem can be used as an

26Chapter 4 - Manual Dial and Automatic AnswerMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide4.10 Handshaking DetailsThis section briefly expla

Chapter 5 - Command Mode

28Chapter 5 - Command ModeMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide5.1 IntroductionAT commands are the means by which you, and your commu

29Chapter 5 - Command ModeMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideDial (D or A) command,or incoming phone callCarrier detectedHANGUPON-L

ContentsChapter 1 - Introduction and Description... 51.1 Introduction...

30Chapter 5 - Command ModeMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideSTORE MODEM &F Load Factory DefaultsCONFIGURATIONS &W Store Co

31Chapter 5 - Command ModeMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideCONFIGURE DATA &E14 Data Compression DisabledCOMPRESSION &E15

32Chapter 5 - Command ModeMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide5.3 Result CodesThe Command mode provides you with several responses,

33Chapter 5 - Command ModeMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide5.4 Dialing Commands5.4.1 Dialing Action CommandsDial Command DThe let

34Chapter 5 - Command ModeMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideTo activate DTR Dialing, enter AT$D1 and hit RETURN. The modem dials t

35Chapter 5 - Command ModeMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideAutomatic Pauses in Dialing ,You can cause the modem to pause during t

36Chapter 5 - Command ModeMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide"Calling Card" Detect Tones $The modem has the capability to

37Chapter 5 - Command ModeMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide5.4.3 Phone Number Memory CommandsStoring Phone Numbers D...NA telepho

38Chapter 5 - Command ModeMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide5.4.4 Configuration and Default Storage CommandsStore Configuration &a

39Chapter 5 - Command ModeMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideUnix UUCP Spoofing $SPThe modem can be configured in a Unix environmen

5.4.1 Dialing Action Commands ... 335.4.2 Dial M

40Chapter 5 - Command ModeMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide5.4.5 Command Response (Result Code) CommandsEcho Command Mode Charact

41Chapter 5 - Command ModeMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideResult Codes (Basic and Extended) and Call Progress Selection XThe X C

42Chapter 5 - Command ModeMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide5.4.6 Phone Line Conditioning CommandsGuard Tones (Not Used in BAI/BLI

43Chapter 5 - Command ModeMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideFallback Modes When On-Line #FIf line conditions deteriorate, the mode

44Chapter 5 - Command ModeMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide5.4.7 RS-232C Interface Control CommandsCarrier Detect Control &CT

45Chapter 5 - Command ModeMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideData Set Ready Control &SThe &S command allows you to control

46Chapter 5 - Command ModeMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide5.4.8 Error Correction CommandsYou can use AT commands to place your m

47Chapter 5 - Command ModeMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideV.42 Mode Select #LThe V.42 standard implements both MNP Class 3 &

48Chapter 5 - Command ModeMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideEnable/Disable Auto Reliable Fallback Character $FIn Auto-Reliable mod

49Chapter 5 - Command ModeMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide5.4.9 Flow Control CommandsFlow control refers to the techniques used

Chapter 1 - Introduction and Description

50Chapter 5 - Command ModeMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideXon/Xoff Pass-Through &E7So far, you have had three choices to mak

51Chapter 5 - Command ModeMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideNormal Mode Modem Flow Control On &E11When two MultiModems are con

52Chapter 5 - Command ModeMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide5.4.10 Compression, Error Correction, Flow Control, Pass-Through and P

53Chapter 5 - Command ModeMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide5.4.11 Speed Conversion CommandsSpeed conversion is a necessary part o

54Chapter 5 - Command ModeMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideSerial Port Baud Rate $SBThe $SB command presets the speed of the mod

55Chapter 5 - Command ModeMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide5.4.12 Immediate Action CommandsHelp Screens $HThe Help command is des

56Chapter 5 - Command ModeMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideListing On-Line Diagnostics L8The L8 command displays the current on-l

57Chapter 5 - Command ModeMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideForce Answer Mode AYou can force the modem into Answer mode with the m

Chapter 6 - S-Registers

59Chapter 6 - S-RegistersMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide6.1 IntroductionCertain Command Mode configurations are stored in memor

Chapter 1 - Introduction and DescriptionMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide61.1 IntroductionWelcome to the world of data communicat

60Chapter 6 - S-RegistersMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideS4Line Feed CharacterUnit: ASCII CharacterRange: 0-127Default: 10 (^J)D

61Chapter 6 - S-RegistersMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideS9Carrier Detect Response TimeUnit: 100 mSec.Range: 1-255Default: 6Desc

62Chapter 6 - S-RegistersMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideS15Callback Time DelayUnit: SecondsRange: 10-255Default: 20Description:

63Chapter 6 - S-RegistersMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideS24PBX/CBX Disconnect Drop Time for DSR/CTS/CDUnit: 50 mSec.Range: 0-25

64Chapter 6 - S-RegistersMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideS30Inactivity TimerUnit: 1 min.Range: 0-255Default: 0Description: S30 c

65Chapter 6 - S-RegistersMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideS48Program V.34bis Connect SpeedsUnit: N/ARange: 33, 31, 28, 26, 24, 21

66Chapter 6 - S-RegistersMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide6.2 Reading and Assigning S-Register ValuesThe S command is used to ass

67Chapter 6 - S-RegistersMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide6.3 AT Command and S-Register SummaryThe vast majority of installations

Chapter 7 - Callback Security and Remote Configuration

69Chapter 7 - Callback Security and Remote ConfigurationMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide7.1 IntroductionThis chapter describes h

Chapter 1 - Introduction and DescriptionMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide7Chapter 6 - S-RegistersChapter 6 covers the modem'

70Chapter 7 - Callback Security and Remote ConfigurationMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide7.3 Remote Configuration DescriptionThe

71Chapter 7 - Callback Security and Remote ConfigurationMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideTo turn your modem's Callback Secur

72Chapter 7 - Callback Security and Remote ConfigurationMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideThe + and/or - characters entered before

73Chapter 7 - Callback Security and Remote ConfigurationMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide7.3.2 Remote Configuration ProceduresThe

74Chapter 7 - Callback Security and Remote ConfigurationMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide7.4 Remote Configuration and Callback Se

75Chapter 7 - Callback Security and Remote ConfigurationMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide7.5 Remote Configuration/Callback Securi

Chapter 8 - DIP-Switch Settings

77Chapter 8 - Dip-Switch SettingsMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide8.1 IntroductionThere are several DIP-Switch options on the mod

78Chapter 8 - Dip-Switch SettingsMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide8.2 DIP-Switch Option SettingsSwitch #1Forced DTR -- "DTR&

79Chapter 8 - Dip-Switch SettingsMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideSwitch #3dB Transmission Levels(Asynchronous/Synchronous Mode/L

Chapter 1 - Introduction and DescriptionMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide81.3.1 MT2834BA/BL Series FeaturesYour MT2834BA/BL mode

80Chapter 8 - Dip-Switch SettingsMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideSwitch #5Originate/Answer Mode(Asynchronous/Synchronous Mode/Le

81Chapter 8 - Dip-Switch SettingsMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideSwitch #8Enable/Disable Command Mode -- "Com"(Asynchr

82Chapter 8 - Dip-Switch SettingsMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideSwitch #11Internal/External Clocking(Synchronous Mode/Leased Li

83Chapter 8 - Dip-Switch SettingsMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideSwitch #16 (MT2834BA Only)(Reserved for Future Use)Switch #16 (

84Chapter 8 - Dip-Switch SettingsMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide8.4 Recording Option ConfigurationsThis section lets you record

85Chapter 8 - Dip-Switch SettingsMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideDIP Switches #13-14Note: The modem baud rate command ($MBn) ove

Chapter 9 - Warranty, Service and Tech Support

87Chapter 9 - Warranty, Service, and Technical SupportMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide9.1 IntroductionThis chapter starts out wi

88Chapter 9 - Warranty, Service, and Technical SupportMulti-Tech Systems, Inc. MT2834BA/BL Series User GuidePlease direct your questions regarding tec

89Chapter 9 - Warranty, Service, and Technical SupportMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide9.4 Replacement PartsSupplyNet, Inc., can

Chapter 1 - Introduction and DescriptionMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide91.5 Technical SpecificationsYour data/fax modem meets t

Appendixes

91Appendix A - Upgrading Your Modem’s FirmwareMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideAppendix A - Upgrading Your Modem’s FirmwareYour m

92Appendix A - Upgrading Your Modem’s FirmwareMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide4. If the firmware version number matches the firm

93Appendix A - Upgrading Your Modem’s FirmwareMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide4. Type AT&W1Z and press ENTER to clear your s

94Appendix B - TroubleshootingMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideAppendix B - TroubleshootingYour modem was thoroughly tested at th

95Appendix B - TroubleshootingMulti-Tech Systems, Inc. MT2834BA/BL Series User Guide· If you don’t get an OK, the problem may still be in the communic

96Appendix B - TroubleshootingMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideThe Modem Dials But Cannot Make a ConnectionThere can be several r

97Appendix B - TroubleshootingMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideThe Modem Disconnects While On-line· If you have call waiting on t

98Appendix B - TroubleshootingMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideI Am Getting Garbage Characters on the Monitor· Your computer and

99Appendix C - AT Command SummaryMulti-Tech Systems, Inc. MT2834BA/BL Series User GuideAppendix C - AT Command SummaryCommand Values DescriptionAT Att