Multitech CommPlete MT3334HD8 Manuale utente

MT3334HD8 Modem

User Guide

MT3334HD8 User Guide

P/N 82063701, Revision B

written permission from Multi-Tech Systems, Inc.

Multi-Tech Systems, Inc. makes no representation or warranties with respect to the contents hereof and

specifically disclaims any implied warranties of merchantability or fitness for any particular purpose.

Furthermore, Multi-Tech Systems, Inc. reserves the right to revise this publication and to make changes

from time to time in the content hereof without obligation of Multi-Tech Systems, Inc., to notify any

person or organization of such revisions or changes.

Revision Date Description

3/31/97

5/29/97

Manual released.

Manual updated.

Multi-Tech, CommPlete, RASExpress, MultiExpress, MultiExpress Fax MultiModem, MultiModemZDX,

MultiModemManager, and the Multi-Tech logo are trademarks of Multi-Tech Systems, Inc. Other

trademarks and trade names mentioned in this publication belong to their respective owners.

Multi-Tech Systems, Inc.

2205 Woodale Drive

Mounds View, Minnesota 55112

(612) 785-3500 or (800) 328-9717

U.S. Fax (612) 785-9874

Technical Support (800) 972-2439 or Email to: [email protected]

Internet Address: http://www.multitech.com

CommPlete Communications Server iii

Federal Communications Commission Statement

This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant

to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful

interference when the equipment is operated in a commercial environment. This equipment generates,

uses, and can radiate radio frequency energy, and if not installed and used in accordance with the

instruction manual, may cause harmful interference to radio communications. Operation of this

equipment in a residential area is likely to cause harmful interference, in which case the user will be

required to correct the interference at his own expense.

Warning: Changes or modifications to this unit not expressly approved by the party responsible for

compliance could void the user’s authority to operate the equipment.

FCC Regulations for Telephone Line Interconnection

1. No repairs are to be made by you. Repairs are to be made only by Multi-Tech Systems or its

licensees. Unauthorized repairs void registration and warranty. Contact Multi-Tech Systems, Inc. for

details of how to have repairs made.

2. When trouble is experienced, you must disconnect your modem from the telephone company’s jack

to determine the cause of the trouble, and reconnect your modem only when the trouble is

corrected.

3. The modem cannot be connected to pay telephones or party lines.

4. If requested by the telephone company, you must notify them of the following before the

MT3334HD8 is installed:

a. The particular phone line (phone number) to which the connection is to be made.

b. The FCC Registration Number:

AU7USA-24457-DE-N

c. The manufacturer’s name and model number:

Multi-Tech Systems - Model CC9600 CommPlete Communications Server

5. If the telephone company notifies you that your device is causing harm, unplug it. The telephone

company may disconnect your service if necessary and also may change its facilities, equipment,

operations or procedures which may affect operation of your equipment. Where practical, the

telephone company must promptly inform you in writing of the temporary disconnect or change in

service, give you the opportunity to make changes allowing uninterrupted service, and inform you of

your rights to bring a complaint to the FCC.

iv CommPlete Communications Server

FCC Fax Warning

The Telephone Consumer Protection Act of 1991 makes it unlawful for any person to use a computer or

other electronic device to send any message via a telephone fax machine unless such message clearly

contains in a margin at the top or bottom of each page or the first page of the transmission, the date and

time it is sent and an identification of the business or other entity, or other individual sending the message

and the telephone number of the sending machine or such business, other entity, or individual.

See your fax software manual for setup details.

Canadian Limitations Notice

Notice: The ringer equivalence number (REN) assigned to each terminal device provides an indication of

the maximum number of terminals allowed to be connected to a telephone interface. The termination of

an interface may consist of any combination of devices subject only to the requirement that the sum of the

ringer equivalence numbers of all the devices does not exceed 5.

Notice: The Industry Canada label identifies certificated equipment. This certification means that the

equipment meets certain telecommunications network protective, operational and safety requirements.

Industry Canada does not guarantee the equipment will operate to the user’s satisfaction.

Before installing this equipment, users should ensure that it is permissible to be connected to the facilities

of the local telecommunications company. The equipment must also be installed using an acceptable

method of connection. The customer should be aware that compliance with the above conditions may not

prevent degradation of service in some situations.

Repairs to certified equipment should be made by an authorized Canadian maintenance facility designated

by the supplier. Any repairs or alterations made by the user to this equipment, or equipment

malfunctions, may give the telecommunications company cause to request the user to disconnect the

equipment.

Users should ensure for their own protection that the electrical ground connections of the power utility,

telephone lines and internal metallic water pipe system, if present, are connected together. This precaution

may be particularly important in rural areas.

Caution: Users should not attempt to make such connections themselves, but should contact the

appropriate electric inspection authority, or electrician, as appropriate.

CommPlete Communications Server

Table of Contents

1 Introduction

Introduction ...................................................................................................................................................... 2

LED Indicators................................................................................................................................................... 2

Power Supply..................................................................................................................................................... 2

Manual Organization......................................................................................................................................... 3

Technical Specifications.................................................................................................................................... 6

2 Installation

Introduction ...................................................................................................................................................... 8

Safety Warnings................................................................................................................................................. 8

Pre-Installation Notes ....................................................................................................................................... 9

Installation Procedure....................................................................................................................................... 9

3 AT Commands

Working with AT Commands ..........................................................................................................................12

Modes of Operation .....................................................................................................................................12

Command Structure ....................................................................................................................................12

Command Editing........................................................................................................................................13

Dialing Commands...........................................................................................................................................16

Dial Modifier Commands.................................................................................................................................16

Phone Number Memory Commands...............................................................................................................19

Configuration Storage and Recall Commands.................................................................................................20

Modem Response (Result Code) Commands..................................................................................................21

Online Connection Commands........................................................................................................................24

V.34 Commands ...............................................................................................................................................28

RS-232 Interface Commands ...........................................................................................................................29

Error Correction and Data Compression Commands.....................................................................................31

Speed Conversion Commands .........................................................................................................................33

Immediate Action Commands.........................................................................................................................35

Flow Control Commands .................................................................................................................................36

Escape Sequences .............................................................................................................................................39

Remote Configuration Commands..................................................................................................................40

Line Probe Commands.....................................................................................................................................41

Diagnostic Commands .....................................................................................................................................42

4 S-Registers

Introduction .....................................................................................................................................................46

S-Registers ........................................................................................................................................................46

Reading and Assigning S-Register Values .......................................................................................................51

Examples of Assigning Values.....................................................................................................................51

Examples of Reading Values .......................................................................................................................51

AT Commands that Affect S-Registers ............................................................................................................51

vi CommPlete Communications Server

5 Testing the MT3334HD8

Introduction .....................................................................................................................................................54

Local Analog Loopback Test (V.54 Loop 3) ....................................................................................................54

Remote Digital Loopback Test (V.54 Loop 2) .................................................................................................55

Local Digital Loopback Test (V.54 Loop 2) .....................................................................................................57

6 Warranty, Service, and Technical Support

Limited Warranty.............................................................................................................................................60

Service...............................................................................................................................................................61

Technical Support ............................................................................................................................................61

Recording Product Information .................................................................................................................61

The Multi-Tech BBS.........................................................................................................................................62

Logging onto the Multi-Tech BBS...............................................................................................................62

Downloading a File......................................................................................................................................62

Reading a Message.......................................................................................................................................63

Leaving a Message .......................................................................................................................................63

Bulletins.......................................................................................................................................................63

About CompuServe ..........................................................................................................................................63

About the Internet............................................................................................................................................64

About the Multi-Tech Fax-Back Service..........................................................................................................64

Upgrading the MT3334HD8 Firmware............................................................................................................65

Using FlashPro to Upgrade Firmware ........................................................................................................65

Appendix A ASCII Conversion Chart.......................................................68

Appendix B Dial Pulses and Tones...........................................................69

Appendix C Result Code Summary...........................................................71

Appendix D S-Register Summary................................................................73

Appendix E AT Command Summary.......................................................75

Appendix F Remote Configuration.............................................................85

Index .........................................................................................................................................................87

CommPlete Communications Server 1

1 Introduction

MT3334HD8 User Guide

2CommPlete Communications Server

Introduction

The Multi-Tech MT3334HD8 is a high speed, high density modem card for the CommPlete

Communications Server. Each MT3334HD8 card contains eight integrated 33,600 bps modems. Each

modem on the MT3334HD8 card can be configured independently of the others via the CommPlete

Communications Server’s MR9600 controller, which can support and control up to 12 cards per rack.

Users dial into the MT3334HD8’s modems through a T1 daughter card on the RASCard that controls the

segment. There are no external connectors on the MT3334HD8.

Up to three MT3334HD8 cards can be installed per T1 segment. With eight modems per card, the

CommPlete Communications Server can support up to 24 simultaneous data lines per segment, or 96 per

CommPlete Communications Server

The MT3334HD8 operates as an enhanced ITU-T V.34 dial-up modem with a maximum speed of 33,600

bits per second (bps). As such, it includes the advanced features of Multi-Tech standalone modems such as

the popular MultiModemZDXb.

The MT3334HD8 is registered by the FCC for direct connection to the public telephone networks. No Data

Access Arrangements (DAAs) are required.

The MT3334HD8 is fully compatible with the standard AT command set, and is therefore compatible with

all popular communications software packages.

This user guide will help you to install, configure, test, and use the MT3334HD8.

LED Indicators

The MT3334HD8 has 16 LED indicators on the front panel, two for each modem:

CD Carrier Detect. The CD LED lights when the modem detects a valid carrier signal.

OH Off Hook/Out of Service. The OH LED lights when the modem is off hook, which occurs when the

modem is dialing, online, or answering a call. The LED flashes when the modem is in the busy-out

or out-of-service state.

Power Supplies

DC voltages are supplied to all modems in the CC9600 rack through two PS9600 universal input switching

power supplies designed for conventional 115 or 230 VAC input. The power supplies are designed for

redundant, fail-safe operation. If one should fail, the other can supply the power requirements of the entire

CommPlete Communications Server. Each PS9600 power supply has one LED indicator that indicates the

presence of all supply voltages.

Manual Organization

Chapter 1 Introduction

This chapter describes the MT3334HD8 and its LED indicators, gives its technical specifications, and

provides a guide to the organization of the manual.

1 Introduction

CommPlete Communications Server 3

Chapter 2 Installation

This chapter describes how to install the MT3334HD8 into the CC9600 chassis.

Chapter 3 Command Mode Operation

This chapter provides an introduction to MT3334HD8 command mode fundamentals, followed by a

detailed explanation of each AT command, providing examples where applicable.

Chapter 4 S-Registers

This chapter describes the MT3334HD8’s S-registers, which are used to store various modem options.

Each S-register is defined and explained.

Chapter 5 Testing the MT3334HD8

This chapter describes loopback testing for the MT3334HD8.

Chapter 6 Warranty, Service, and Technical Support

This chapter provides the terms of the MT3334HD8’s warranty, instructions for obtaining factory service,

and information about Multi-Tech’s BBS and technical support. Information on upgrading the

MT3334HD8’s firmware is also provided.

Appendix A ASCII Conversion Chart

Appendix B Dial Pulses and Tones

Appendix C Result Code Summary

Appendix D S-Register Summary

Appendix E AT Command Summary

Appendix F Remote Configuration

MT3334HD8 User Guide

4CommPlete Communications Server

Technical Specifications

Model Number MT3334HD8

Data Rates (Modem) Eight independent modems (Modem A, B, C, D, E, F, G, H), each operating at

33,600, 31,200, 28,800, 26,400, 24,000, 21,600, 19,200, 16,800, 14,400, 12,000,

9600, 4800, 2400, 1200, or 0-300 bps

Data Rates (Fax) 14,400, 9600, 4800, and 2400 bps

Data Format

(Modem)

Serial, binary, asynchronous at all data rates

Configuration Each of the card’s modems is independently configurable

Compatibility (Modem) ITU-T V.42bis, V.42, V.34plus, V.34, ITU-T V.32bis, V.32, V.25bis, V.21,

V.22bis, V.22, V.23, V.17, Bell 212A* and 103/113*

Compatibility (Fax) ITU-T Group 3, T.4, T.30, V.21, V.27ter, V.29, V.17, and EIA TR29.2

Error Correction ITU-T V.42 (MNP® Classes 3 and 4, and LAP-M)

Data Compression ITU-T V.42bis (4:1 throughput) or MNP 5 (2:1 throughput)

Speed Conversion Serial port data rates ad

ustable to 300, 1200, 2400, 4800,9600, 19,200, 38,400,

57,600, and 115,200 bps

Flow Control XON/XOFF, CTS/RTS, ENQ/ACK

Mode of Operation Half or full duplex over dial-up lines; automatic or manual dialin

, automatic

or manual answer

Intelligent Features Fully AT command compatible; auto dial; redial; repeat dial*; dial linking*;

pulse or tone dial; dial pauses; call status display; auto-parity and data rate

selection; keyboard-controlled modem options; nonvolatile memory; on-

screen displays of modem parameters, stored telephone numbers, and help

menus; and remote configuration.

AT Commands 100% compatible with standard AT command set

Command Buffer 60 characters

Automatic Dialing Standard AT command asynchronous dialing

Modem Modulations FSK at 300 bps, PSK at 1200 bps, QAM at 2400, 4800, and 9600 bps (non-

trellis), QAM with trellis-coded modulation (TCM) at 9600, 12,000, 14,400,

16,800, 19,200, 21,600, 24,000, 26,400, 28,800, 31,200, and 33,600 bps

Fax Modulations V.21 CH2 FSK at 300 bps

V.27ter DPSK at 4800 and 2400 bps

V.29 QAM at 9600 and 7200 bps

V.17TCM at 14400, 12000, 9600, and 7200 bps

Carrier Frequencies

ITU-T V.34

1600, 1646, 1680, 1800, 1829, 1867, 1920, 1959, 2000 Hz

Carrier Frequencies:

V.22bis/V.22 or

Bell 212A Standard

Transmit originate:

Transmit answer:

Receive originate:

1200 Hz

2400 Hz

Indice

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