Multi-tech-systems MT3334HD8 Manual de usuario

MT3334HD8 ModemUser Guide

MT3334HD8 User Guide4 CommPlete Communications Server Technical SpecificationsModel Number MT3334HD8Data Rates (Modem) Eight independent modems (Modem

P/N 82063701

1 IntroductionCommPlete Communications Server 5(2400 & 1200 bps) Receive answer: 1200 HzCarrier Frequencies:Bell 103/113(300 bps)Transmit origin

MT3334HD8 User Guide6 CommPlete Communications ServerPowerRequirements5 VDC at 0.95 A±16 VDC at 0.1 APower Consumption Approximately 6 wattsDimensions

CommPlete Communications Server 72 Installation

MT3334HD8 User Guide8 CommPlete Communications ServerIntroductionThis chapter describes how to install the MT3334HD8 modem card into a CommPlete Commu

2 InstallationCommPlete Communications Server 9Pre-Installation NotesWarning: Interconnection directly, or by way of other apparatus, of ports marke

CommPlete Communications Server 113 AT Commands

MT3334HD8 User Guide12 CommPlete Communications ServerWorking with AT CommandsThe MT3334HD8’s modems are controlled by instructions called AT commands

3 AT CommandsCommPlete Communications Server 13A parameter after a command (0, 1, 2, etc.) tells the modem which option to use. If you do not specif

MT3334HD8 User GuideP/N 82063701, Revision BCopyright © 1997 by Multi-Tech Systems, Inc.All rights reserved. This publication may not be reproduced, i

MT3334HD8 User Guide14 CommPlete Communications ServerTable 1. AT Commands by FunctionTopic Command Description PageDialing Action D Dial 16A: Continu

3 AT CommandsCommPlete Communications Server 15Error Correction & &E0 Non-error correction mode 31Data Compression &E1 Auto-reliable mod

MT3334HD8 User Guide16 CommPlete Communications ServerDialing CommandsDialing commands are used to dial and to hang up.Ds Dials = phone numberDefault:

3 AT CommandsCommPlete Communications Server 17pauses in the dial sequence, automatic redials if a number is busy, and reverting to command mode ors

MT3334HD8 User Guide18 CommPlete Communications ServerRn Reverse Originate/Answer Moden = 0 or 1Default: R0The R command lets you reverse the modem’s

3 AT CommandsCommPlete Communications Server 19@ Quiet AnswerUse the @ command to access a system that does not provide a dial tone. The @ command c

MT3334HD8 User Guide20 CommPlete Communications ServerYou can automatically dial a telephone number that is stored in the modem’s number memory by typ

3 AT CommandsCommPlete Communications Server 21&Fn Load Default Configurationn = 0, 8, or 9Default: &F8MT3334HD8 modems store factory defaul

MT3334HD8 User Guide22 CommPlete Communications ServerEn Echo Command Mode Charactersn = 0 or 1Default: E1Normally, when you type commands on the keyb

3 AT CommandsCommPlete Communications Server 23&Qn Result Codes (Multi-Tech or Standard AT)n = 0 or 1Default: &Q0The MT3334HD8 gives you a c

CommPlete Communications Server iiiFederal Communications Commission StatementThis equipment has been tested and found to comply with the limits for a

MT3334HD8 User Guide24 CommPlete Communications Server&An Answerbackn = 0 or 1Default: &A0The &A command controls the MT3334HD8’s answerba

3 AT CommandsCommPlete Communications Server 25%DCn AT Command Controln = 0 or 1Default: %DC0The %DC command allows you to disable the modem’s abili

MT3334HD8 User Guide26 CommPlete Communications Server#Fn Fallback Modesn = 0, 1, or 2Default: #F2The #F command controls whether the modem will fall

3 AT CommandsCommPlete Communications Server 27&P1 sets a pulse dial ratio of 67 ms break to 33 ms make.&RDn Square Wave Ring Detectn = 0 or

MT3334HD8 User Guide28 CommPlete Communications ServerYn Long Space Disconnectn = 0 or 1Default: Y0When two modems are connected in reliable mode, a l

3 AT CommandsCommPlete Communications Server 29RS-232 Interface CommandsThese commands define how an MT3334HD8 modem will use and respond to standar

MT3334HD8 User Guide30 CommPlete Communications Server&Rn Clear to Send Controln = 0, 1, or 2Default: &R1The &R command lets you control t

3 AT CommandsCommPlete Communications Server 31Error Correction and Data Compression CommandsYou can configure a modem to any of three different V.4

MT3334HD8 User Guide32 CommPlete Communications Server$En V.42 Error Correction at 300 bpsn = 0 or 1Default: $E0At 300 bps, error correction is not no

3 AT CommandsCommPlete Communications Server 33$Rn Retransmit Countn = 0 or 1Default: $R0If errors are received during a reliable connection, the mo

iv CommPlete Communications ServerFCC Fax WarningThe Telephone Consumer Protection Act of 1991 makes it unlawful for any person to use a computer orot

MT3334HD8 User Guide34 CommPlete Communications Server$MBn Modem Baud Raten = speed in bits per secondDefault: $MB33600The $MB command sets a modem’s

3 AT CommandsCommPlete Communications Server 35$SB300 300 bps$SB1200 1200 bps$SB2400 2400 bps$SB4800 4800 bps$SB9600 9600 bps$SB19200 19,200 bps$SB3

MT3334HD8 User Guide36 CommPlete Communications ServerL8 List Online DiagnosticsDefault: noneThe L8 command displays the modem’s online status. You ca

3 AT CommandsCommPlete Communications Server 37$EB0 enables a 10-bit format It automatically detects parity when an AT command is issued.$EB1 enable

MT3334HD8 User Guide38 CommPlete Communications ServerWhen two modems are connected in non-error correction mode, XON/XOFF flow control can be used as

3 AT CommandsCommPlete Communications Server 39Escape SequencesEscape sequences are also known as escape codes. They are used to cause the modem to

MT3334HD8 User Guide40 CommPlete Communications ServerO Go Back OnlineYou can use the O command to bring the modem out of command mode and back into o

3 AT CommandsCommPlete Communications Server 41#Syyyyyy Change Setup Passwordyyyyyy = passwordDefault: #SMODEMSETUPUse the #S command to enter or ch

MT3334HD8 User Guide42 CommPlete Communications Server&RP Immediate Line ProbeDefault: noneThis immediate action command initiates a retrain that

3 AT CommandsCommPlete Communications Server 43Un Loopback Test Modesn = 0–3Default: NoneLoopback tests send data through the modem in such a way th

CommPlete Communications ServervTable of Contents1 IntroductionIntroduction ...

MT3334HD8 User Guide44 CommPlete Communications Server

CommPlete Communications Server 454 S-Registers

MT3334HD8 User Guide46 CommPlete Communications ServerIntroductionThis chapter describes the MT3334HD8’s S-registers, which are small regions of memor

4 S-RegistersCommPlete Communications Server 47S3 defines the carriage return character by its decimal ASCII code. The default setting is the ^M cha

MT3334HD8 User Guide48 CommPlete Communications ServerS8 determines the length of the pause caused by a comma in a dialing command. The default settin

4 S-RegistersCommPlete Communications Server 49S24 PBX/CBX Disconnect Drop Time for DSR/CTS/CDUnit: 50 msRange: 0–255Default: 20 (1 second)Some PBX

MT3334HD8 User Guide50 CommPlete Communications ServerS36 sets the time between when DTR goes inactive and when the modem goes off-hook. The DTR busy-

4 S-RegistersCommPlete Communications Server 51Reading and Assigning S-Register ValuesUse the S command to assign a value to an S-register and to re

MT3334HD8 User Guide52 CommPlete Communications ServerThe &W0 (or &W) command stores all current AT command and S-register values into nonvola

CommPlete Communications Server 535 Testing the MT3334HD8

vi CommPlete Communications Server5 Testing the MT3334HD8Introduction ...

MT3334HD8 User Guide54 CommPlete Communications ServerIntroductionEach time you power up the MT3334HD8, it performs an automatic self-test to ensure p

5 Testing the MT3334HD8CommPlete Communications Server 55 3. Note that the CD LED is on. If you’re set for 14,400 bps or higher, the Speed LED sho

MT3334HD8 User Guide56 CommPlete Communications Server 2. Open your communications software and go into terminal mode. Type AT and press ENTER; yous

5 Testing the MT3334HD8CommPlete Communications Server 57Local Digital Loopback Test (V.54 Loop 2)This test is identical to the remote digital loopb

CommPlete Communications Server 596 Warranty, Service, andTechnical Support

MT3334HD8 User Guide60 CommPlete Communications ServerLimited WarrantyMulti-Tech Systems, Inc. (“MTS”) warrants that this product will be free from de

6 Warranty, Service, and Technical SupportCommPlete Communications Server 61Technical SupportMulti-Tech has an excellent staff of technical support

MT3334HD8 User Guide62 CommPlete Communications ServerThe Multi-Tech BBSMulti-Tech maintains a bulletin board system (BBS) for its customers. Informat

6 Warranty, Service, and Technical SupportCommPlete Communications Server 63 6. Select a file transfer protocol by typing the indicated letter, su

CommPlete Communications Server 11 Introduction

MT3334HD8 User Guide64 CommPlete Communications ServerAbout the InternetMulti-Tech is a commercial provider on the Internet, and we retrieve e-mail me

6 Warranty, Service, and Technical SupportCommPlete Communications Server 65Upgrading the MT3334HD8 FirmwareThe MT3334HD8’s firmware is contained in

MT3334HD8 User Guide66 CommPlete Communications Server

CommPlete Communications Server 67Appendixes

MT3334HD8 User Guide68 CommPlete Communications ServerAppendix A ASCII Conversion ChartCTRL CODE HEX DEC CODE HEX DEC CODE HEX DEC CODE HEX DEC@ NUL

B Dial Pulses and TonesCommPlete Communications Server 69Appendix B Dial Pulses and TonesDial PulsesWhen you pulse dial, as when you make a call w

MT3334HD8 User Guide70 CommPlete Communications ServerFigure B-2. Standard DTMF frequenciesThe extended DTMF characters (A, B, C, D) are the high-end

C Result Code SummaryCommPlete Communications Server 71Appendix C Result Code SummaryMulti-Tech Result Codes (&Q0)Terse Verbose Definition0OK

MT3334HD8 User Guide72 CommPlete Communications ServerLAP-M Reliable Mode. If the modem connects using LAP-M error correction, the word LAPM or letter

D S-Register SummaryCommPlete Communications Server 73Appendix D S-Register SummaryRegister Unit Range Default DescriptionS0 1 ring 0, 1–255 1 Set

MT3334HD8 User Guide2 CommPlete Communications ServerIntroductionThe Multi-Tech MT3334HD8 is a high speed, high density modem card for the CommPleteCo

MT3334HD8 User Guide74 CommPlete Communications ServerRegister Unit Range Default DescriptionS43 decimal 33, 31,28, 26,24, 21,19, 16,14, 12,96, or 480

E AT Command SummaryCommPlete Communications Server 75Appendix E AT Command SummaryCommand Values DescriptionAT n/a Attention CodeThe attention co

MT3334HD8 User Guide76 CommPlete Communications ServerCommand Values Description$BAn n = 0 or 1 Baud Adjust*** $BA0 Set baud adjust off, speed convers

E AT Command SummaryCommPlete Communications Server 77Command Values Description>DTn n = 0 or 1 DTMF Detection*** >DT0 Disable DTMF detection.

MT3334HD8 User Guide78 CommPlete Communications ServerCommand Values Description%En n = 0–5 Escape Sequence Options%E0 Modem won’t escape.*** %E1 +++

E AT Command SummaryCommPlete Communications Server 79Command Values DescriptionIn n = 0, 1, 2, Inquire Product Codesor 5 I0 Request modem ID #.I1 R

MT3334HD8 User Guide80 CommPlete Communications ServerCommand Values Description$MBn n = speed Modem Baud Rate$MB75 Select ITU-T V.23 mode.$MB300 Sele

E AT Command SummaryCommPlete Communications Server 81Command Values Description&Rn n = 0, 1, or 2 Clear to Send Control&R0 Let CTS state fo

MT3334HD8 User Guide82 CommPlete Communications ServerCommand Values Description&SFn n = 0 or 1 DSR/CD Interaction Control*** &SF0 Select DSR

E AT Command SummaryCommPlete Communications Server 83Command Values Description#Vn n = 0 or 1 V.32terbo Handshake*** #V0 Enable V.32terbo tones in

1 IntroductionCommPlete Communications Server 3Chapter 2 InstallationThis chapter describes how to install the MT3334HD8 into the CC9600 chassis.C

MT3334HD8 User Guide84 CommPlete Communications ServerCommand Values Description; At end of dialcommandReturn to Command Mode After DialingSemi-colon;

F Remote ConfigurationCommPlete Communications Server 85Appendix F Remote ConfigurationIntroductionRemote configuration, a feature of Multi-Tech’s

MT3334HD8 User Guide86 CommPlete Communications ServerChanging the Passwords 1. Establish a remote configuration link with the remote modem as descr

CommPlete Communications Server 87Index

MT3334HD8 User Guide88 CommPlete Communications ServerAabort timer, 12, 19, 47, 51Answer command, 12, 40answer mode, 18, 34, 40Answer Tone command, 24

IndexCommPlete Communications Server 89%E, 39%F, 28>DT, 25*H, 26, 51! (exclamation mark), 18, (comma), 18, 48: (colon), 16, 18; (semicolon), 18@, 1

MT3334HD8 User Guide90 CommPlete Communications Serverbusy-in time, 50busy-out time, 50control of, 29disconnect drop time, 49EEcho Canceler Frequency

IndexCommPlete Communications Server 91OOn-Hook/Off-Hook command, 16online connection commands, 24online mode, 12, 40, 46, 54, 56originate mode, 18, 3

MT3334HD8 User Guide92 CommPlete Communications ServerS48, 50S94, 26, 51start bit, 37stop bit, 37Store Configuration command, 20, 21, 22, 52Store Phon