Zoom ISDN TA Manual de usuario
ISDN Terminal Adapter
Owner’s Manual
ii ISDN TA Owner’s Manual
NOTICE
This document contains proprietary information protected by copyright,
and this Owner’s Manual and all the accompanying hardware are copy-
righted. All rights are reserved. No part of this document may be photo-
copied or reproduced by mechanical, electronic, or other means in any
form, except for the personal use of the owner.
The manufacturer does not warrant that the hardware will work prop-
erly in all environments and applications.
Although the hardware has been tested, the manufacturer makes no
warranty and representation, either implied or expressed, with respect to
the hardware and the documentation, quality, performance, merchant-
ability, or fitness for a particular purpose. The manufacturer reserves the
right to make changes to the hardware and Owner’s Manual content
without obligation to notify any person or organization of the revision or
change.
All brand and product names are the trademarks of their respective
owners.
Copyright 1998
All rights reserved.
Contents iii
Contents
ABOUT THIS GUIDE ...............................................................5
DOCUMENTATION CONVENTIONS............................................... 5
CHAPTER 1 INTRODUCTION...............................................6
FEATURES................................................................................. 6
ISDN TECHNOLOGY ................................................................. 7
What Is It?........................................................................... 7
How It Works....................................................................... 7
SETTING UP ISDN SERVICE....................................................... 9
Setting Up Phone Numbers .................................................. 9
CHAPTER 2 INSTALLATION.............................................. 11
WHAT YOU NEED TO INSTALL THE ISDN TA........................... 11
INSTALLING THE HARDWARE ................................................... 12
Handset Installation........................................................... 14
SETTING UP IN WINDOWS 95.................................................... 15
PROBLEMS WITH PLUG AND PLAY SETUP .................................. 17
Using the Hardware Conflict Wizard.................................. 17
SETTING UP IN WINDOWS 3.1 OR 3.11...................................... 19
A Note About IRQs and Conflicts....................................... 20
SETTING UP IN WINDOWS NT .................................................. 22
CHAPTER 3 SOFTWARE CONFIGURATION................... 24
GENERAL TIPS FOR SETTING UP COMMUNICATION SOFTWARE... 24
Tips for Selecting Setup Options ........................................ 24
INITIALIZATION, RESET, DIAL, AND ANSWER SETTINGS............ 25
Using an ISDN Line for Voice Calls................................... 26
Using an ISDN Line to Call an ISDN Data Device
(remote server)................................................................... 26
CONFIGURING VOICE CONNECTIONS ........................................ 27
CONFIGURING DIAL-UP NETWORKING...................................... 28
Using ML-PPP and PPP Connections in Windows 95 ........ 28
Using PPP Connections in Windows 3.1 or 3.11 ................ 31
Using ML-PPP Connections in Windows 3.1 or 3.11.......... 32
Using ML-PPP and PPP Connections in Windows NT........ 32
iv ISDN TA Owner’s Manual
CHAPTER 4 PROBLEMS AND SOLUTIONS......................35
GENERAL TROUBLESHOOTING..................................................35
ISDN LINE CONNECTIONS .......................................................37
ML-PPP CONNECTIONS...........................................................38
VOICE CONNECTIONS...............................................................39
APPENDIX A: PRODUCT SUMMARY .................................40
APPENDIX B: PRODUCT SPECIFICATIONS......................42
APPENDIX C: CHANGING THE COM
SETTINGS IN BIOS.................................................................43
APPENDIX D: ISDN SERVICE INFORMATION .................45
APPENDIX E: SETTING UP ISDN SWITCHES...................46
Using National ISDN 1 Switches ........................................47
Using Northern Telecom DMS100 Switches........................47
Using AT&T Custom 5ESS Switch ......................................48
APPENDIX F: REGULATORY INFORMATION .................49
FCC PART 68 TELECOMMUNICATIONS STATEMENT ..................49
INDUSTRY CANADA ATTACHMENT ...........................................50
CANADIAN EMISSIONS STATEMENT ..........................................51
About This Guide 5
About This Guide
This manual is a guide for the installation of the ISDN Terminal
Adapter, referred to hereafter as the ISDN TA. Once you have success-
fully installed it in your IBM PC-compatible computer, virtually all
access to the product features is through easy to use point-and-click
software included with this product.
This guide is organized as follows:
Introduction (Chapter 1) describes the product and its features, talks
about the technology behind ISDN, and provides a brief explanation on
how you can take full advantage of the product’s high-speed digital
capability.
Installation (Chapter 2) lists the items required for installation and
explains installation and configuration.
Configuration (Chapter 3) provides tips for setting up your communi-
cations software for ISDN lines.
Problems and Solutions (Chapter 4) provides troubleshooting infor-
mation.
The Appendixes provide additional information for a number of topics
including ISDN service, product specifications, and AT command
summaries.
Documentation Conventions
•Commands and command examples described in this guide appear
in bold type. For example: To reset the ISDN TA, type ATZ and
press Enter.
We occasionally insert spaces between commands to make a command
line easier to read. You can type the command line with or without
spaces between commands as long as the command line does not ex-
ceed 255 characters (spaces count as characters).
•The letter O is shown in lower case (o or o)in a command line. The
number zero is shown as 0.
6ISDN TA Owner’s Manual
Chapter 1 Introduction
Congratulations! You have purchased an advanced, flexible product
that incorporates the latest high speed digital telecommunications tech-
nology.
The product supports ISDN operation up to 128 Kbps, and includes a
handset port for voice calls over ISDN.
The ISDN TA is “Plug and Play” (PnP) compatible and software con-
figurable, so installation is fast and easy if you are using Windows 95,
Windows 3.1 or 3.11, or Windows NT 4.0 or higher.
Note: You must be running Windows NT version 4.0 or higher and
a Plug and Play (PnP) BIOS in order to use these products
under Windows NT. To find out whether you have a PnP
BIOS, look for a PnP version number during startup or refer to
your computer documentation. You must also install a special
PnP driver from your NT installation CD. See Chapter 2.
Features
This product includes:
•An ISDN terminal adapter card.
•Built-in NT-1 termination (no additional hardware required for
normal ISDN installation).
•On-board 16550 UART with local RAM buffers and support for 7
interrupts.
•Standard AT command set for compatible with ISDN extensions
for maximum interoperability with all of your PC applications
software.
•Standards-based solution through support of standard protocols:
V.110, V.120 Rate Adaptation up to 64 Kbps, Point-to-Point Pro-
tocol (PPP) at 64 Kbps, and Multilink PPP (ML-PPP) at 128 Kbps
using two channels.
•Plug and Play compatibility support for easy installation for Win-
dows 95 users; PORTWIZ software card configuration for easy in-
stallation under Windows 3.1 and 3.11 systems.
Chapter 1 Introduction 7
•Flash memory for code updates via software downloads.
•Simultaneous voice and data capability, with voice on one B-
channel and data on the other.
•This product may also include an optional telephone handset for
making or receiving voice calls over an ISDN line.
ISDN Technology
What Is It?
Integrated Services Digital Network (ISDN) is a technology that uses
digital transmission instead of analog transmission over standard tele-
phone lines. Among the many advantages of ISDN service are the fol-
lowing:
•ISDN’s digital technology service provides faster and more reliable
data transfers.
•ISDN’s connection and negotiation are much faster than with
analog modems. Typical connection time for an ISDN call is under
three seconds.
•ISDN’s maximum high speed doesn’t depend on line quality.
•ISDN’s service allows you to connect to two different communica-
tions devices, such as a telephone and ISDN terminal adapter, at
the same time, while analog provides a single connection at a time.
How It Works
While both technologies use the same type of copper wire connection
between your house and the phone company, ISDN Basic Rate Interface
(BRI) service converts information flow into three channels, two B-
channels and one D-channel, referred to as 2B+D service. The two B-
channels have a bandwidth of 64 Kbps each. These two channels may
be used independently (for voice, fax, data or video), or they may be
bound together (bonded) to provide a single 128 Kbps connection.
8ISDN TA Owner’s Manual
Chapter 1 Introduction 9
An ISDN connection enables you to have a conversation with someone
using one B-channel while you are connected to the Internet using the
other B-channel. The D-channel is typically used to carry network con-
trol and status information such as dialed numbers, and answer and
hang-up information. An analog connection only provides a single
channel (voice, fax, or data).
Setting Up ISDN Service
To use ISDN you must contact your local phone service provider to get
the service started. ISDN is connected through standard phone wires,
just like an ordinary analog line. The telephone wiring coming into
most homes has four wires. Each analog or ISDN line requires two
wires. If you have only one telephone line now, ISDN can usually be
installed on the remaining two wires without additional wiring. If you
have two analog lines now and you don’t plan to replace the second line
with ISDN, you will probably need to have a new ISDN line installed.
Business installations depend on the type of equipment, number of in-
stalled lines, and other factors. Your telephone company business office
can assist you in determining the best ISDN installation alternative.
Appendix D lists phone numbers for regional Bell operating companies
that offer ISDN service.
Setting Up Phone Numbers
When ordering ISDN service from your phone company you should
request two ISDN phone numbers, called Directory Numbers (DNs).
They are the numbers people will use to dial the two channels of your
ISDN TA. Typically you would use one DN for data (remote access and
fax) and the other for voice calls.
In ordering ISDN service you may get Service Profile Identifier num-
bers (SPIDs) for each DN. Usually the SPIDs are necessary in config-
uring your network connection.
You will also need to ask the phone company which switch type you
will be connected to. You need to know which switch type in order to
properly set up your ISDN connection.
This product has been tested for support of EZ-ISDN. If your local
phone company supports it, EZ-ISDN is a fast, easy way to order ISDN
service.
We have made it very simple for you to request ISDN service by using
the ISDN Service Installation Flyer included in your package. Refer to
this flyer during the process of ordering service.
10 ISDN TA Owner’s Manual
For more information on setting up ISDN switches, see Appendix E.
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