Multi-Tech Systems BA-Series Manuale Utente

BA-SeriesIntelligent Data/Fax ModemUser Guide

10MultiModemBA User GuideFax 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, 1

100MultiModemBA User GuideDTR Dialing ($D) CommandDTR Dialing is an alternate method of causing the modem to automatically dial a number. DataTerminal

101Appendix E - MultiModemBA Cables3.Austriaa) Command/Indication modification (none)b) Delayed and Forbidden list behavior1. No delay between retries

102MultiModemBA User GuideAppendix E - MultiModemBA CablesThese cables connect your modem to your terminal or computer’s serial port.25-PIN DTEConnect

103Appendix F - Regulatory InformationAppendix F - Regulatory InformationFCC Part 15This equipment has been tested and found to comply with the limits

104MultiModemBA User Guide6. The telephone company may make changes in its facilities, equipment, operations, orprocedures that could affect the opera

105Appendix F - Regulatory InformationInternational Modem RestrictionsSome dialing and answering defaults and restrictions may vary for international

106MultiModemBA User GuideIndexAAbort Timer...51Answer Mode ...

107IndexEscape Code Character ...50Escape Sequence Options (%E)...47Escape Sequences (+++AT<

108MultiModemBA User GuidePause Time for Comma...51PBX/CBX Disconnect Drop Time for DSR/CTS/CD53PBX/CBX systems ...

109IndexYYmodem/G ...85ZZmodem ...85

11Chapter 1 - Introduction and Description1.7 Modem LED IndicatorsThe MultiModem diagnostic LED indicators are shown in Figures 1-1FXECTROH249614.419.

12MultiModemBA User Guide1.8 Controls on PC BoardThe MultiModem is designed on a single printed circuit (PC) board. This board contains one 16-positio

Chapter 2 - Installation and Connection

14MultiModemBA User Guide2.1 What is in Your Modem Package?Your MultiModem is made up of many components. Make sure you have them all before trying to

15Chapter 2 - Installation and Connection2.2.1 Safety Warnings1. Use this product only with UL and cUL listed computers.2. To reduce the risk of fire,

16MultiModemBA User Guide3 Connect the modem to a dial-up line by attaching the RJ-11 telephone cord (provided with yourunit) to the LINE connector on

Chapter 3 - Software Configuration and Modem Basics

18MultiModemBA User Guide3.1 IntroductionChapter 2 described the installation of PhoneTools, a communications software. If you are using adifferent so

19Chapter 3 - Software Configuration3.4.1 Changing Default ParametersBy default, the modem will answer after the first ring and try to communicate wit

User Guide88312001 Revision BMultiModemII Models:MT2834BA/MT2834BAIThis publication may not be reproduced, in whole or in part, without prior expresse

20MultiModemBA User Guide3.5.2 Terminal EmulationIf you are accessing the remote computer as if from an on-site terminal, the keyboard codes used byyo

Chapter 4 - Command Mode

22MultiModemBA User Guide4.1 IntroductionAT commands are the means by which you, and your communications software, are able tocommunicate with and con

23Chapter 4 - Command ModeDial (D or A) command,or incoming phone callCarrier detectedHANGUPON-LINEMODEWAIT FORCARRIERCOMMANDMODEAT0 Command+++ATNo ca

24MultiModemBA User GuideSTORE MODEM &FLoad Factory DefaultsCONFIGURATIONS &WStore Configuration & S-RegisterAND DEFAULTSParametersZReset

25Chapter 4 - Command ModeCONFIGURE DATA &E14Data Compression DisabledCOMPRESSION &E15Data Compression EnabledCONFIGURE SPEED $BA0Speed Conver

26MultiModemBA User Guide4.3 Result CodesThe Command mode provides you with several responses, or “Result Codes”, that can aid you inCommand mode oper

27Chapter 4 - Command Mode4.4 Dialing Commands4.4.1 Dialing Action CommandsDial Command DThe letter D in a command causes the modem to dial the teleph

28MultiModemBA User GuideDTR Dialing $DAn alternate method of causing the modem to automatically dial is DTR Dialing. Data Terminal Ready(DTR) is a si

29Chapter 4 - Command ModeSet Pulse Dial Ratios &PThis command sets the time ratios between the open and closed portions of the dialing pulsefrequ

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

30MultiModemBA User GuideFlash On Hook !Some switchboard systems react to a momentary On Hook. An exclamation mark inserted in thecommand causes the m

31Chapter 4 - Command ModeNumber Linking NNYou may command the modem to dial another number automatically if the first number dialed isbusy. This woul

32MultiModemBA User GuideLoading Factory Defaults &FThe &F command provides a choice between customized configuration settings in RAM and thef

33Chapter 4 - Command Mode&X0 is the default setting, which allows DIP-Switch #11 to control Internal/External Clocking (defaultInternal). Interna

34MultiModemBA User GuideResult Codes (Basic and Extended) and Call Progress Selection XThe X Command is used to select one of two possible dialing me

35Chapter 4 - Command ModeBell/V.21 Tone BThe B command selects the frequency that the modem uses for its answer tone. (The answer tone isthe tone tra

36MultiModemBA User GuideEnable/Disable Lowspeed Fast Connect $FCEntering AT$FC0&W0<CR> sets up the data pump so that it will not transmit a

37Chapter 4 - Command ModeData Terminal Ready Control &DData Terminal Ready (DTR) on pin 20 of the RS-232C interface is required in order for the

38MultiModemBA User GuideDSR/CD Interaction Control &SFIn typical applications, Data Set Ready (DSR) follows Carrier Detect (CD). &SF0 enables

39Chapter 4 - Command Mode#L0 Command The #L0 Command allows a pair of modems to negotiate which V.42mode (MNP or LAP-M) will be used in their transmi

Chapter 5 - S-Registers... 495.1 Introduction...

40MultiModemBA User GuideRetransmit Count $RIf errors are received during a Reliable connection, the modem re-sends the block of data whichcontained a

41Chapter 4 - Command ModeHardware Flow Control &E4With Hardware Flow Control, the modem uses its RS-232C interface to control the flow of data fr

42MultiModemBA User GuideSend Xon/Xoff Characters #XThe #X phone interface command allows the modem to send either a single or multiple Xoffcharacters

43Chapter 4 - Command ModeParity Selection #PThe #P command enables the setting of parity. AT#P0 selects no parity. AT#P1 selects odd parity.AT#P2 sel

44MultiModemBA User Guide4.4.11 Speed Conversion CommandsSpeed conversion is a necessary part of data compression since data must be presented to them

45Chapter 4 - Command ModeSerial Port Baud Rate $SBThe $SB command presets the speed of the modem’s serial (RS-232C) port, in both Originate andAnswe

46MultiModemBA User Guide4.4.12 Immediate Action CommandsHelp Screens $HThe Help command is designed to give you short explanations on how to use each

47Chapter 4 - Command ModeOff Hook HYou can make the modem hang up (go On Hook). Entering ATH1<RETURN> brings the line OffHook, just as if you p

48MultiModemBA User GuideExiting Command Mode, Going Back On-Line OYou can bring the modem out of Command mode and back into On-Line mode by entering

Chapter 5 - S-Registers

Chapter 1 - Introduction and Description

50MultiModemBA User Guide5.1 IntroductionCertain Command Mode configurations are stored in memory registers called, S-Registers. The Scommand is used

51Chapter 5 - S-RegistersS4Line Feed CharacterUnit: ASCII CharacterRange: 0-127Default: 10 (^J)Description: S4 defines the character recognized as Lin

52MultiModemBA User GuideS9Carrier Detect Response TimeUnit: 100 mSec.Range: 1-255Default: 6Description: S9 sets the time delay between when the modem

53Chapter 5 - S-RegistersS15Callback Time DelayUnit: SecondsRange: 10-255Default: 20Description: S15 defines the time delay between Callback attempts

54MultiModemBA User GuideS26Failed Password AttemptsUnit: 1 failed attemptRange: 0-255Default: 0Description: S26 counts the number of times there has

55Chapter 5 - S-RegistersS36Time Between DTR Inactive and Modem Off-HookUnit: 1 SecondRange: 0-255 secondsDefault: 0Description: The DTR Busy-out feat

56MultiModemBA User Guide5.2.1 Examples of Assigning Values1. Let’s say you wish to have longer pauses caused by the comma in a dial command; five sec

Chapter 6 - Callback Security andRemote Configuration

58MultiModemBA User Guide6.1 IntroductionThis chapter describes how the MultiModem’s Callback and Remote Configuration features operate.These features

59Chapter 6 - Callback Security and Remote ConfigurationTable 6-1. Modem LOGIN, Setup and Remote Escape Code ProceduresTo change your modem’s LOGIN Pa

6MultiModemBA User Guide1.1 IntroductionWelcome to the world of data communications. You have acquired one of the finest intelligentdesktop data/fax m

60MultiModemBA User GuideTable 6-2. Callback Password and Dial Back Phone Number Entry ProceduresStep Procedure1. Enter your modem's LOGIN Passwo

61Chapter 6 - Callback Security and Remote Configuration7. Enter your modem's LOGIN Password (as selected in Table 6-1) by entering:AT#Ixxxxxxxxx

62MultiModemBA User Guide2. You then select 1 or 2. With 1, the modem goes back into data mode and with 2, the modemresponds with the following:Passwo

63Chapter 6 - Callback Security and Remote ConfigurationChange SETUP Password #SThe default SETUP password for your modem is "SMODEMSETUP".

64MultiModemBA User GuideLocal Inactivity Timer (S29)S29 defines the amount of idle time that can elapse between AT commands after the SETUPpassword h

Chapter 7 - DIP-Switch Settings

66MultiModemBA User Guide7.1 IntroductionThere are several DIP-Switch options on the modem’s printed circuit (PC) board. The DIP-Switchesare accessibl

67Chapter 7 - DIP-Switch SettingsSwitch #2SDLC/BSC Option(Synchronous Mode/Leased Line/Dial-Up)Synchronous Data Link Control (SDLC) and Binary Synchro

68MultiModemBA User GuideSwitch #4Unix UUCP Spoofing(Asynchronous Mode/Leased Line/Dial-Up)The modem can be configured for use with Unix equipment whi

69Chapter 7 - DIP-Switch SettingsSwitch #6Slave Clocking(Synchronous Mode/Leased Line/Dial-Up)In Synchronous mode, DIP-Switch #6 controls the option o

7Chapter 1 - Introduction and DescriptionChapter 6 - Callback and Remote ConfigurationChapter 6 documents instructions on how to operate the modem&ap

70MultiModemBA User GuideSwitch #10Leased Line/Dial-Up Operation -- "DDD"(Asynchronous/Synchronous Mode/Leased Line/Dial-Up)The modem operat

71Chapter 7 - DIP-Switch SettingsSwitches #13 and #14Speed Switches(Synchronous Mode/Leased Line)DIP-Switches #13 and #14 are used to set the modem’s

72MultiModemBA User Guide7.4 Recording Option ConfigurationsThis section lets you record any changes you may have made to the DIP-Switch settings. Cir

73Chapter 7 - DIP-Switch SettingsDIP Switches #13-14Note: The modem baud rate command ($MBn) overrides the setting of these speed selectionswitches (D

Chapter 8 - Warranty, Service and Tech Support

75Chapter 8 - Warranty, Service, and Technical Support8.1 IntroductionThis chapter starts out with statements about your modem's 5-year warranty.

76MultiModemBA User GuidePlease direct your questions regarding technical matters, product configuration, verification that theproduct is defective, e

77Chapter 8 - Warranty, Service, and Technical Support8.4 Replacement PartsSupplyNet, Inc., can supply you with replacement power supplies, cables and

Appendixes

79Appendix A - Upgrading Your Modem’s FirmwareAppendix A -- Upgrading Your Modem’s FirmwareYour modem is controlled by semi-permanent software, called

8MultiModemBA User Guide1.3.1 2834 Series FeaturesYour MT2834BA modem meets the proposed Enhanced V.34 ITU standard for data signalling ratesas high a

80MultiModemBA User Guide5. If the firmware version number is greater than the firmware version number found in “Step 1: Identifythe Modem Firmware,”

81Appendix A - Upgrading Your Modem’s FirmwareStep 6: Upgrade the Modem’s FirmwareBefore you begin the following procedure, read the README.TXT file e

82MultiModemBA User GuideAppendix B - TroubleshootingYour modem was thoroughly tested at the factory before it was shipped. If you are unable to make

83Appendix B - Troubleshooting•If you don’t get an OK, the problem may still be in the communications software. Make sure youhave done whatever is nec

84MultiModemBA User GuideThe Modem Dials But Cannot Make a ConnectionThere can be several reasons the modem fails to make a connection. Possibilities

85Appendix B - TroubleshootingThe Modem Disconnects While On-line•If you have call waiting on the same phone line as your modem, it may interrupt your

86MultiModemBA User GuideI Am Getting Garbage Characters on the Monitor•Your computer and the remote computer may be set to different word lengths, st

87Appendix C - AT Command SummaryApendix C - AT Command SummaryCommand Values DescriptionATAttention Code that precedes most command stringsexcept A/,

88MultiModemBA User GuideCommand Values DescriptionDsNd s = phone # Store telephone number. To store, phone d = 0 thru9 number ”s“ is entered and foll

89Appendix C - AT Command Summary&Fn n = 0, 8 or 9 &F loads factory default values from ROM.* &F8 reads factory default values and switch

9Chapter 1 - Introduction and Description1.5 Technical SpecificationsYour data/fax modem meets the specifications listed below:Tradename MultiModemIIT

90MultiModemBA User Guide$MBn n = speed $MB75 selects CCITT V.23 mode.$MB300 selects 300 bps on-line.$MB1200 selects 1200 bps on-line.$MB2400 selects

91Appendix C - AT Command Summary$SBn n = speed $SB300 selects 300 bps at serial port.$SB1200 selects 1200 bps at serial port.$SB2400 selects 2400 bps

92MultiModemBA User GuideXn n = 0,1,2,3 or 4 * X0 selects Basic Result Codes (w/o CONNECT1200, CONNECT 2400).X1 selects Extended Result Codes (w/CONNE

93Appendix C - AT Command SummaryCallback Security/Remote Configuration Command SummaryCommand Description#DBn #DB0 disables Callback Security and ans

94MultiModemBA User GuidePassword Command SummaryCommand Description#Ixxxxxxxxxx Login Password is any keyboard characters (x)(upper/lower case sensit

95Appendix C - AT Command SummaryV.25bis CommandsCommand Description$Vn $V0 returns modem to AT command mode when inV.25bis mode.$V1 enables V.25bis m

96MultiModemBA User GuideAppendix D - V.25bis OperationChapter 4 described a set of commands which let the modem dial, hang-up, and be configured forv

97Appendix D - V.25bis OperationAnother asynchronous mode concern is the problem of connecting at a different speed than thespeed at which the serial

98MultiModemBA User GuideV.25bis Responses (Result Codes)When in V.25bis mode (the AT$V1 command executed), your modem provides you with severalrespon

99Appendix D - V.25bis OperationDial Phone Number Provided (CRN) CommandThe CRN command permits the dialing of the phone number immediately following