Paradyne HotWire 7924 Manuale utente

AREA CODE CHANGE

Please note that the area code for

Paradyne Corporation in Largo, Florida

has changed from 813 to 727.

For any Paradyne telephone number that

appears in this manual with an 813 area

code, dial 727 instead.

HOTWIRE

MODELS 7924 AND 7925

T1 AND E1 HDSL NEST CARD

TERMINATION UNITS

USER’S GUIDE

Document No. 7920-A2-GB20-10

August 1997

Printed on recycled paper

A 7920-A2-GB20-10

August 1997

Printed in U.S.A.

Notice

This publication is protected by federal copyright law. No part of this publication may be copied or distributed,

transmitted, transcribed, stored in a retrieval system, or translated into any human or computer language in any form

or by any means, electronic, mechanical, magnetic, manual or otherwise, or disclosed to third parties without the

express written permission of Paradyne Corporation, 8545 126th Avenue North, P.O. Box 2826, Largo,

Florida 33779-2826.

Paradyne Corporation makes no representation or warranties with respect to the contents hereof and specifically

disclaims any implied warranties of merchantability or fitness for a particular purpose. Further, Paradyne Corporation

reserves the right to revise this publication and to make changes from time to time in the contents hereof without

obligation of Paradyne Corporation to notify any person of such revision or changes.

Changes and enhancements to the product and to the information herein will be documented and issued as a new

release to this manual.

Trademarks

All products and services mentioned herein are the trademarks, service marks, registered trademarks or registered

service marks of their respective owners.

Warranty, Sales, and Service Information

Contact your sales or service representative directly for any help needed. For additional information concerning

warranty, sales, service, repair, installation, documentation, or training, use one of the following methods:

Via the Internet: Visit the Paradyne World Wide Web site at http://www.paradyne.com

Via Telephone: Call our automated call system to receive current information via fax or to speak with a

company representative.

— Within the U.S.A., call 1-800-870-2221

— International, call 813-530-2340

Important Regulatory Information

7920-A2-GB20-10 August 1997

Important Safety Instructions

1. Read and follow all warning notices and instructions marked on the product or included in the manual.

2. This product is intended to be used with a 3-wire grounding type plug – a plug which has a grounding pin. This is

a safety feature. Equipment grounding is vital to ensure safe operation. Do not defeat the purpose of the

grounding type plug by modifying the plug or using an adapter.

Prior to installation, use an outlet tester or a voltmeter to check the ac receptacle for the presence of earth

ground. If the receptacle is not properly grounded, the installation must not continue until a qualified electrician

has corrected the problem.

If a 3-wire grounding type power source is not available, consult a qualified electrician to determine another

method of grounding the equipment.

3. Slots and openings in the cabinet are provided for ventilation. To ensure reliable operation of the product and to

protect it from overheating, these slots and openings must not be blocked or covered.

4. Do not allow anything to rest on the power cord and do not locate the product where persons will walk on the

power cord.

5. Do not attempt to service this product yourself, as opening or removing covers may expose you to dangerous

high voltage points or other risks. Refer all servicing to qualified service personnel.

6. General purpose cables are provided with this product. Special cables, which may be required by the regulatory

inspection authority for the installation site, are the responsibility of the customer.

7. When installed in the final configuration, the product must comply with the applicable Safety Standards and

regulatory requirements of the country in which it is installed. If necessary, consult with the appropriate regulatory

agencies and inspection authorities to ensure compliance.

8. A rare phenomenon can create a voltage potential between the earth grounds of two or more buildings. If

products installed in separate buildings are interconnected, the voltage potential may cause a hazardous

condition. Consult a qualified electrical consultant to determine whether or not this phenomenon exists and, if

necessary, implement corrective action prior to interconnecting the products.

9. In addition, if the equipment is to be used with telecommunications circuits, take the following precautions:

—Never install telephone wiring during a lightning storm.

—Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations.

—Never touch un-insulated telephone wires or terminals unless the telephone line has been disconnected at the

network interface.

—Use caution when installing or modifying telephone lines.

—Avoid using a telephone (other than a cordless type) during an electrical storm. There may be a remote risk of

electric shock from lightning.

—Do not use the telephone to report a gas leak in the vicinity of the leak.

Important Regulatory Information

C 7920-A2-GB20-10

August 1997

EMI Warnings

!WARNING:

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.

The authority to operate this equipment is conditioned by the requirements that no modifications will be

made to the equipment unless the changes or modifications are expressly approved by Paradyne

Corporation.

!WARNING:

To Users of Digital Apparatus in Canada:

This Class A digital apparatus meets all requirements of the Canadian interference-causing equipment

regulations.

Cet appareil numérique de la classe A respecte toutes les exigences du règlement sur le matérial

brouilleur du Canada.

7920-A2-GB20-10 August 1997

Contents

About This Guide

Document Purpose and Intended Audience iii. . . . . . . . . . . . . . . . . . . . . . . . .

Document Summary iii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Product-Related Documents iv. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1About HotWire Models 7924 and 7925 Nest Card Termination

Units

HotWire Model 7924 and 7925 Features 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . .

HotWire Model 7924 Standard Features 1-1. . . . . . . . . . . . . . . . . . . . . . . .

Hotwire Model 7925 Standard Features 1-2. . . . . . . . . . . . . . . . . . . . . . . .

HotWire Model 7924 Typical Configurations 1-2. . . . . . . . . . . . . . . . . . . . . . . .

HotWire Model 7925 Typical Configurations 1-4. . . . . . . . . . . . . . . . . . . . . . . .

User Interfaces 1-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2Installing HotWire Nest Card Termination Units

Package Checklist 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Inspect the Shipping Container 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installing Nest Card Termination Units 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installing Nest Filler Panels 2-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3Customizing HotWire 7924 Nest Card Termination Units

Changing Your Configuration Options 3-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Switchpack and Jumper Locations 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Switchpack Definitions 3-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Jumper Positions 3-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4Customizing HotWire 7925 Nest Card Termination Units

Changing Your Configuration Options 4-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Switchpack and Jumper Locations 4-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Switchpack Definitions 4-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Jumper Positions 4-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Contents

ii 7920-A2-GB20-10

August 1997

5Monitoring Nest Card Termination Units

What to Monitor 5-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Front Panel LEDs 5-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

AHotWire Model 7924 Worksheets

Overview A-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DSX-1 to DSX-1 Configuration A-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DSX-1 Nest-to-Standalone V.35 Configuration A-2. . . . . . . . . . . . . . . . . . . . . .

Unframed Operation A-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HotWire 7924 Configuration Worksheet A-4. . . . . . . . . . . . . . . . . . . . . . . . . . . .

BHotWire Model 7925 Worksheets

Overview B-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

G.703-to-G.703 Configuration B-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

G.703 to V.35 Configuration B-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HotWire 7925 Configuration Worksheet B-4. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Glossary

Index

iii

7920-A2-GB20-10 August 1997

About This Guide

Document Purpose and Intended Audience

This guide describes the configuration, installation, and maintenance procedures

for HotWire Model 7924-B1 and 7925-B1 T1 and E1 HDSL Nest Card

Termination Units.

It is expected that readers of this document are central-site or special-service

installation technicians or network engineers who have an understanding of

digital subscriber line systems and High-bit-rate Digital Subscriber Loop (HDSL)

transmission systems plus the deployment of such systems in a telephone

company or private network environment.

Document Summary

Section Description

Chapter 1

About HotWire Models 7924 and 7925 Nest Card

Termination Units

. Describes the features of HotWire 7924

and 7925 termination units and provides typical

configurations.

Chapter 2

Installing HotWire Nest Card Termination Units

. Describes

the procedures for installing the HotWire Model 7900 nest

card termination units and nest filler panels.

Chapter 3

Customizing HotWire 7924 Nest Card Termination Units.

Provides procedures for modifying configuration options by

using the terminal interface or DIP switches and jumpers on

the nest card.

Chapter 4

Customizing HotWire 7925 Nest Card Termination Units

Provides procedures for modifying configuration options by

using the terminal interface or DIP switches and jumpers on

the board.

Chapter 5

Monitoring Nest Card Termination Units.

Describes how to

monitor LEDs, unit, and network status.

About This Guide

iv 7920-A2-GB20-10

August 1997

Section Description

Appendix A

HotWire Model 7924 Worksheets.

Contains all the

configuration options, default settings, and possible settings

to use for planning.

Appendix B

HotWire Model 7925 Worksheets.

Contains all the

configuration options, default settings, and possible settings

to use for planning.

Glossary Defines the acronyms and terms used in this document.

Index Lists the key terms, acronyms, and concepts, in alphabetical

order.

Product-Related Documents

Document Number Document Title

7900-A2-GB20

HotWire Model 7900 Basic Maintenance Processor

User’s Guide

7900-A2-GB21

HotWire Model 7900 SNMP Maintenance Processor

User’s Guide

7900-A2-GK10

HDSL Connection Considerations Special Notice

7900-A2-GN20

HotWire Model 7900 Nest and Options Installation

Guide

7910-A2-GB20

HotWire Models 7914 and 7915 T1 & E1 SDSL Nest

Cards User’s Guide

7924-A2-GB20

HotWire Model 7924 Standalone T1 HSDL

Termination Unit Users Guide

7925-A2-GB20

HotWire Model 7925 Standalone E1 HSDL

Termination Unit Users Guide

To order additional product documentation, refer to

Warranty, Sales, and Service

Information

on page A at the beginning of this User’s Guide.

1-1

7920-A2-GB20-10 August 1997

About HotWire Models 7924 and

7925 Nest Card Termination Units 1

HotWire Model 7924 and 7925 Features

Products in the HotWire 7900 family provide “last mile/last kilometer” transport of

T1- and E1-compatible circuits between customer facilities and central-site

equipment over 2- or 4-wire copper lines. These termination units can be used

over distances substantially exceeding traditional T1 and E1 spans and European

Telecommunications Standards Institute (ETSI) loop standards.

This chapter provides a general overview of the HotWire Models 7924 and 7925

nest card termination units, including standalone units (A1) and nest-mounted

termination units (B1).

HotWire Model 7924 Standard Features

DSX-1 interface

Full support for T1 using two twisted-copper pairs

Full support for fractional T1 using one or two twisted-copper pairs

Meets the requirements of repeaterless T1 transmission on loops exceeding

standard specifications

Automatic detection of and compensation for inverted pairs and

swapped loops, significantly simplifying installation

Local and remote alarm surveillance

Local and remote T1 and HDSL performance monitoring

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