US Robotics Courier V.34 User manual

COURIER

HIGH SPEED MODEM

Courier V.34 Dual Standard Fax

USER MANUAL

COURIER HIGH SPEED MODEMS

ii How to Use This Manual

HOW TO USE THIS MANUAL

This manual contains operating instructions for Courier Dual

Standard V.34 and Courier V.34 modems.

These modems have many similar features except for the

signaling they use to connect with remote modems at high

speeds: V.32/V.32 terbo, HST, V.FC, or V.34. Courier HST Dual

Standard modems use any type of signaling, depending on the

type of remote modem. V.34 modems can connect at rates up to

28.8K bps.

Below is a brief description of the manual's contents.

•Chapter 1Operating and Compatibility Features

•Chapter 2Installation

•Chapter 3Internal Modem Installation

•Chapter 4Data Mode Commands

•Chapter 5Fax Mode and Call Selection

•Chapter 6Queries and Help commands to display

current settings, operational summaries, and other data

•Background information on protocols, error control,

and throughput

•Summaries and tables

•Alphabetical Command Summary

•Dial Security operations

•Troubleshooting

•Online synchronous and V.25 bis synchronous

operations

•Additional features such as HST Cellular and

voice/data switch

•Procedures for modem testing

•Procedures for upgrading your modem via software

downloads

•Glossary

•Warranty/Service/Certification information

COURIER HIGH SPEED MODEMS

How to Use This Manual iii

A NOTE ON COMMUNICATIONS SOFTWARE

If you're using a computer rather than a terminal, you need

communications software. Many brands are available, all of

which are based on the modem's AT command set.

Some users prefer their communications software to take

control of the modem, and are more comfortable with a

program that makes the modem almost transparent. Others

prefer a program that allows them to use the modem's AT

command set sometimes, and their software at other times,

depending on the task at hand. Review at least Chapter 4 so

that you have a basic understanding of the modem's require-

ments and operation.

U.S. Robotics, the U.S. Robotics logo, and HST are registered

trademarks of U.S. Robotics, Inc. Courier HST Dual Standard

Fax, Courier V.32 terbo Fax, Total Control, and Adaptive Speed

Leveling (ASL) are trademarks of U.S. Robotics, Inc. V.Fast

Class and V.FC are trademarks of Rockwell International. Any

trademarks, tradenames, service marks or service names owned

or registered by any other company and used in this manual are

the property of their respective companies.

COURIER HIGH SPEED MODEMS

Table of Contents v

TABLE OF CONTENTS

How to Use this Manual ii

Table of Contents v

Limited Warranty ix

FCC Registration Numbers x

IC (Industry Canada) x

Connecting to the Telephone Company x

Radio and Television Interference x

For Canadian Modem Users xi

PART I. INSTALLATION AND OPERATION

Chapter 1Features and Compatibility

Introduction 1-1

Features 1-1

Compatibility 1-6

Fax Standards 1-7

Other Compatibility Features 1-7

Chapter 2External Modem Set-Up

Switches on the Modem 2-1

Front Panel Indicators on the Modem 2-2

Package Components 2-2

What You Need 2-2

An RS-232 Cable 2-2

Communications Software. . . 2-3

Telephone Adapter. . . 2-3

You Should. . . 2-3

Refer to Appendix F. . . 2-3

Refer to Appendix G. . . 2-4

Installing the Modem 2-4

Testing the Installation 2-6

Chapter 3Internal Modem Setup

Package Components 3-1

What You Need 3-1

Communications Software. . . 3-1

A Telephone Adapter 3-2

You Should. . . 3-2

Refer to Appendix F. . . 3-2

Refer to Appendix G. . . 3-2

Before Installing the Modem 3-2

Select a Serial Port 3-3

Select an Interrupt Request (IRQ) 3-4

COURIER HIGH SPEED MODEMS

vi Table of Contents

Reset the Jumpers 3-5

Set DIP Switches 3-6

Installing the Modem 3-6

Testing the Installation 3-8

Chapter 4Data Mode Command Summary

Command Set Usage 4-1

Basic Commands 4-3

Dialing/Answering 4-4

Dialing 4-4

Dial Options 4-4

Cancel Dialing 4-6

Store Phone Numbers 4-7

Redialing 4-7

Answer Mode 4-8

Hanging Up 4-9

Setting/Using Defaults 4-11

Customizing NVRAM 4-12

Resetting the Modem 4-13

Configuration 4-13

Echo/Speaker 4-13

Result Codes 4-14

Additional Result Code Sets 4-17

Modulation 4-19

Error Control/Data Compression 4-19

Data Rates 4-21

RS-232 Signal Operations 4-23

Flow Control 4-24

S-Registers 4-29

Inquiry and Help 4-30

Testing 4-30

International Calls (&Gn, &Pn)4-30

Miscellaneous Commands 4-31

Chapter 5Fax Operations and Call Detection

Fax Operations 5-1

Notes to Programmers 5-3

Call Detection 5-4

Chapter 6Queries and Help Screens

User Inquiries (In)6-1

S-Register Query (Sr?) 6-7

Phone Number Query (&Zn?) 6-7

COURIER HIGH SPEED MODEMS

Table of Contents vii

Last-Dialed Number Inquiry (DL?) 6-8

Stored Command String Query (&ZC?) 6-8

Help Screens 6-8

Stop/Restart Display 6-8

Cancel Display 6-8

Basic Command Set ($) 6-8

Extended Command Set (&$) 6-9

Dialing (D$) 6-10

S-Register Functions (S$) 6-10

Percent Commands (%$) 6-11

PART II. REFERENCE

Appendix ALink Negotiation (Handshaking)

and Error Control

V.34 Handshaking A-1

V.Fast Class (V.FC) Handshaking A-2

U.S. Robotics V.32 terbo to U.S. Robotics V.32 terbo A-2

Other V. Protocol Operations A-3

Dual Standard Handshaking A-4

Error Control and Throughput A-4

V.42 Handshaking A-5

MNP Handshaking A-5

Data Compression A-5

Flow Control A-6

Throughput Guidelines A-7

Typical Throughput A-8

Appendix BSummaries and Tables

The RS-232 Interface B-2

Front Panel Indicators B-5

DIP Switch Summary B-7

Default Settings B-9

Factory Templates

&F1 Hardware Flow Control (Default) B-10

&F2 Software Flow Control B-11

&F3 HST Cellular B-12

&F0 No Flow Control B-13

NVRAM Options B-14

S-Register Summary B-15

ASCII Chart B-28

COURIER HIGH SPEED MODEMS

viii Table of Contents

Appendix CAlphabetical Command Summary

Command Set Usage C-1

Basic Command Set C-2

Ampersand (&) Command Set C-9

Percent (%) Command Sets C-18

Appendix DDial Security/Remote Access

Dial Security D-1

Remote Access D-10

Appendix ETroubleshooting

Appendix FSynchronous and Leased Line Operations

Synchronous F-1

V.25 bis F-4

Online synchronous F-9

Dedicated Line and Leased Line Operations F-15

Appendix GAdditional Operations

Cellular Operations G-2

Voice/Data (External Modems Only) G-4

Hewlett Packard 3000 Installations G-8

MI/MIC Operations (External Modems Only) G-9

Appendix HModem Testing

Testing with &T H-1

Ending a Test&T0, S18 H-1

Analog Loopback&T1, &T8 H-2

&T2 H-4

Digital Loopback&T3 H-4

&T4, &T5 H-5

Remote Digital Loopback&T6, &T7 H-5

Testing with Register S16 H-8

Analog LoopbackS16=1D H-9

Dial TestS16=2 H-9

Test PatternS16=4 H-10

Remote Digital LoopbackS16=8 H-10

Appendix ISoftware Upgrades

Appendix JGlossary

Appendix KTechnical Specifications

Index

COURIER HIGH SPEED MODEMS

Warranty Information ix

LIMITED WARRANTY

U.S. Robotics, Inc., warrants to the original consumer or other

end user purchaser that this product is free from defects in

materials or workmanship for a period of two years from the

date of purchase. During the warranty period, and upon proof

of purchase, the product will be repaired or replaced (with the

same or similar model) at our option, without charge for either

parts or labor. This warranty shall not apply if the product is

modified, tampered with, misused, or subjected to abnormal

working conditions.

REPAIR OR REPLACEMENT AS PROVIDED UNDER THIS

WARRANTY IS THE EXCLUSIVE REMEDY OF THE PUR-

CHASER. THIS WARRANTY IS IN LIEU OF ALL OTHER

WARRANTIES, EXPRESS OR IMPLIED, INCLUDING ANY

IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS

FOR A PARTICULAR USE OR PURPOSE, AND U.S.

ROBOTICS SHALL IN NO EVENT BE LIABLE TO

PURCHASER FOR INDIRECT OR CONSEQUENTIAL

DAMAGES OF ANY KIND OR CHARACTER.

Some states do not allow the exclusion or limitation of

incidental or consequential damages or allow limitations on

how long an implied warranty lasts, so the above limitations or

exclusion may not apply to you. This warranty gives you

specific legal rights. You may also have other rights which vary

from state to state.

Should you encounter problems in operating this device, follow

the instructions in Appendix E in Part II of this manual. The

appendix contains solutions to operating problems as well as

procedures to follow if there is an apparent modem

malfunction.

COURIER HIGH SPEED MODEMS

xWarranty Information

FCC REGISTRATION

FCC68: CJEUSA-73130-FA-E

RINGER EQUIVALENCE: 0.4B

FCC15:

CJE-0263 (External modem)

CJE-158-243 (Internal modem)

CJE-0151-243 (Daughterboard)

IC (INDUSTRY CANADA)

This digital apparatus does not exceed the Class B limits for

radio noise emissions from digital apparatus set out in the radio

interference regulations of Industry Canada (formerly Canadian

Department of Communications).

Le present appareil numerique n'emet pas de bruits radio-

electriques depassant les limites applicables aux appareils

numeriques de la classe B prescrites dans le Reglement sur le

brouillage radioelectrique edicte par le ministere des

Communications du Canada.

CONNECTING TO THE TELEPHONE COMPANY

It is not necessary to notify the telephone company before

installing the modem. However, the telephone company may

request the telephone number(s) to which the Courier is

connected and the FCC information printed above.

If the modem is malfunctioning, it may affect the telephone

lines. In this case, disconnect the modem until the source of the

difficulty is traced. Do not use the modem on party or coin

telephone lines.

RADIO AND TELEVISION INTERFERENCE

This equipment generates and uses radio frequency energy,

and, if not installed and used properly in strict accordance with

the manufacturer's instructions, may cause interference to radio

and television reception. Courier high speed modems have

been tested and found to comply with the limits for a Class B

computing device in accordance with the specifications in Part

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