Paradyne 3800 User Manual

COMSPHERE

3800 SERIES MODEMS

MODELS 3810, 3811, AND 3820

USER’S GUIDE

Document No. 3810-A2-GB30-30

COMSPHERE

3800 SERIES MODEMS

MODELS 3810, 3811, AND 3820

USER’S GUIDE

Document No. 3810-A2-GB30-30

September 1998

COMSPHERE 3800 Series Modems

COMSPHERE 3800 Series Modems Models 3810, 3811, and 3820

User’s Guide 3810-A2-GB30-30

4th Edition (September 1998)

Changes and enhancements to the product and to the information herein will be documented and issued as a new release. For the 3800 Series standalone modems, the Universal Service Order Code (USOC) for Permissive mode is RJ11C. The

Canadian equivalent to the USOC is CA11. For 3800 Series carrier-mounted modems, the USOC for Permissive mode is RJ21X. The Canadian equivalent to the USOC is CA21A.

Warranty, Sales, and Service Information

Contact your local sales representative, service representative, or distributor directly for any help needed. For additional information concerning warranty , sales, service, repair, installation, documentation, training, distributor locations, or Paradyne worldwide office locations, use one of the following methods:

H Via the Internet: Visit the Paradyne World Wide W eb site at http://www.paradyne.com H 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 — Outside the U.S.A., call 1-727-530-2340

Document Feedback

We welcome your comments and suggestions about this document. Please mail them to Technical Publications, Paradyne Corporation, 8545 126th Ave. N., Largo, FL 33773, or send e-mail to userdoc@eng.paradyne.com. Include the number and title of this document in your correspondence. Please include your name and phone number if you are willing to provide additional clarification.

Trademarks

All products and services mentioned herein are the trademarks, service marks, registered trademarks or registered service marks of their respective owners.

Printed on recycled paper

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.

A September 1998 3810-A2-GB30-30

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 three-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 three-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. T o 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.

Safety Instructions

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.

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 uninsulated 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.

B3810-A2-GB30-30 September 1998

COMSPHERE 3800 Series Modems

Notices

WARNING

THIS EQUIPMENT HAS BEEN TESTED AND FOUND TO COMPL Y 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 T O THE EQUIPMENT UNLESS THE CHANGES OR MODIFICA TIONS ARE EXPRESSL Y APPROVED BY PARADYNE.

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

MATÉRIEL BROUILLEUR DU CANADA.

The following warning applies to all Model 3811 modems.

WARNING

THE MODEL 3811 IS PROVIDED WITH A REPLACEABLE LITHIUM BATTERY. REPLACE THE BATTERY ONLY WITH THE SAME TYPE RECOMMENDED BY THE MANUFACTURER. DISCARD USED BATTERIES ACCORDING TO THE MANUFACTURER’S INSTRUCTIONS.

LE MODÈLE 3811 EST FOURNI AVEC UNE PILE AU LITHIUM REMPLAÇABLE REMPLACER UNIQUEMENT AVEC UNE BATTERIE DU MÊME TYPE OU D’UN TYPE RECOMMANDÉ PAR LE CONSTRUCTEUR. METTRE AU RÉBUT LES BATTERIES USAGÉES CONFORMÉMENT AUX INSTRUCTIONS DU FABRICANT.

C September 1998 3810-A2-GB30-30

Government Requirements and Equipment Return

Certain governments require that instructions pertaining to modem connection to the public switched telephone network be included in the installation and operation manual. Specific instructions are listed in the following sections.

United States

Notice to Users of the Public Switched Telephone Network

1. This equipment complies with Part 68 of the FCC rules. On the equipment is a label that contains, among other information, the FCC registration number and ringer equivalence number (REN) for this equipment. The label is located on the bottom of the Model 3810 and 3820 modems. This label is located on the Model 3811’s circuit card assembly. If requested, this information must be provided to the telephone company.

2. Page A of this manual contains the Universal Service Order Codes (USOC) associated with the services on which the equipment is to be connected.

Safety Instructions

3. The Ringer Equivalence (REN) is used to determine the quantity of devices which may be connected to the telephone line. Excessive RENs on the telephone line may result in the devices not ringing in response to an incoming call. In most, but not all areas, the sum of the RENs should not exceed five (5.0). T o be certain of the number of devices that may be connected to the line, as determined by the total RENs, contact the telephone company to determine the maximum RENs for the calling area.

4. If the 3800 Series modem causes harm to the telephone network, the telephone company will notify you in advance that temporary discontinuance of service may be required. But if advance notice is not practical, the telephone company will notify the customer as soon as possible. Also, you will be advised of your right to file a complaint with the FCC if you believe it is necessary.

5. The telephone company may make changes in its facilities, equipment, operations, or procedures that could affect the operation of the equipment. If this happens, the telephone company will provide advance notice in order for you to make the necessary modifications in order to maintain uninterrupted service.

6. If you experience trouble with this equipment, please contact your sales or service representative (as appropriate) for repair or warranty information. If the product needs to be returned to the company service center for repair, contact them directly for return instructions using one of the following methods:

• Via the Internet: Visit the Paradyne World W ide 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 — Outside the U.S.A., call 727-530-2340

If the trouble is causing harm to the telephone network, the telephone company may request that you remove the equipment from the network until the problem is resolved.

7. The user is not authorized to repair or modify the equipment.

D3810-A2-GB30-30 September 1998

COMSPHERE 3800 Series Modems

8. This equipment cannot be used on public coin service provided by the telephone company. Connection to Party Line Service is subject to state tariffs. (Contact the state public utility commission, public service commission or corporation commission for information.)

9. 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 a message clearly contains, in a margin at the top or bottom of each transmitted page, or on 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 such business, or other entity, or individual.

In order to program this information, follow the steps outlined in the manual supplied with your fax software.

10. An FCC compliant telephone cord with modular plugs may be provided with this equipment. This equipment is designed to be connected to the telephone network or premises wiring using a compatible modular jack which is Part 68 compliant.

Canada

Notice to Users of the Canadian Public Switched Telephone Network

The Canadian Department of Communications label identifies certified equipment. This certification means that the equipment meets certain telecommunications network protective, operational and safety requirements. The Department 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. In some cases, the company’s inside wiring associated with a single line individual service may be extended by means of a certified connector assembly (telephone extension cord). The customer should be aware that compliance with the above conditions may not prevent degradation of service in some situations.

E September 1998 3810-A2-GB30-30

Safety Instructions

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 line 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.

The Load Number for this equipment is listed on the label on the modem. The Load Number (LN) assigned to each terminal device denotes the percentage of the total load to be connected to a telephone loop which is used by the device to prevent overloading. The termination on a loop may consist of any combination of devices subject only to the requirement that the total of the Load Numbers of all devices does not exceed 100.

If your equipment is in need of repair, refer to the procedures described on page A in the front of this document for contact information.

F3810-A2-GB30-30 September 1998

COMSPHERE 3800 Series Modems

G September 1998 3810-A2-GB30-30

Preface

Objectives and Reader Assumptions vii. . . . . . . . . . . . . . . . . . . . . . . . . . .

How to Use This Manual vii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Related Documents viii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1. Introduction

Overview 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Features 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Options 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

COMSPHERE 3800 Series Models 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . .

2. Model 3810 and 3820 Installation

Overview 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3800 Series Modem Package 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Model 3810 or Model 3820 Modem Installation 2-3. . . . . . . . . . . . . . . . . .

DTE Connection 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Model 3810 Dial-Line Connection 2-5. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Model 3810 4-Wire/2-Wire Leased-Line Connection 2-5. . . . . . . . . . . . . .

Model 3820 Dial-Line Connection 2-6. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Model 3820 2-Wire Leased-Line Connection 2-6. . . . . . . . . . . . . . . . . . . .

Model 3810 and Model 3820 T elephone Connection 2-7. . . . . . . . . . . . . .

Dial Network Management System Connection 2-7. . . . . . . . . . . . . . . . . .

AC Power Transformer Connection 2-7. . . . . . . . . . . . . . . . . . . . . . . . . . .

Modem Power-Up 2-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Removing and Replacing Model 3810 and Model 3820 Modems 2-8. . . .

3. Model 3811 Installation

Overview 3-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Model 3811 Installation 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Removing and Replacing Model 3811 Modems 3-4. . . . . . . . . . . . . . . . . .

i3810-A2-GB30-30 September 1998

COMSPHERE 3800 Series Modems

4. DCP Operation

5. Call Setup Branch

6. Talk/Data Branch

Overview 4-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Diagnostic Control Panels 4-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Status Indicators 4-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Diagnostic Control Panel Operation 4-6. . . . . . . . . . . . . . . . . . . . . . . . . . .

Menu Structure 4-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Selecting Factory Configuration Options 4-13. . . . . . . . . . . . . . . . . . . . . . .

Diagnostic Control Panel Security Access 4-15. . . . . . . . . . . . . . . . . . . . . .

Overview 5-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Call Setup Branch 5-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Overview 6-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

T alk/Data Branch 6-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7. Status Branch

Overview 7-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Status Branch 7-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8. Test Branch

Overview 8-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

T est Branch 8-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9. Configure Branch

Overview 9-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Configure Branch 9-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Configuration T ables 9-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Security Configuration Options 9-45. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10. Control Branch

Overview 10-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Control Branch 10-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Automatic Firmware Download 10-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11. Remote Branch

Overview 11-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Remote Branch 11-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ii September 1998 3810-A2-GB30-30

12. Security

Overview 12-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Security Branch 12-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Security Password Entry T echniques 12-11. . . . . . . . . . . . . . . . . . . . . . . . . . .

Database T able Examples 12-12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

13. Fax Operation

Overview 13-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fax Operation 13-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

14. AT Command Set and S-Registers

Overview 14-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating Modes 14-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Command Guidelines 14-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

AT Command List 14-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

S-Register List 14-15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Table of Contents

Appendices

Glossary

Index

A. Menu Tree A-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

B. Result Codes B-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C. Troubleshooting C-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

D. T echnical Specifications D-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

E. Pin Assignments E-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

F. ITU-T V.25bis Dialing Commands and Response F-1. . . . . . . . . . . . .

G. Default Configuration Options G-1. . . . . . . . . . . . . . . . . . . . . . . . . . .

H. Equipment List H-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

iii3810-A2-GB30-30 September 1998

COMSPHERE 3800 Series Modems

Figure Page

2-1 Model 3810 and 3820 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-2 Model 3810 Rear Panel 2-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-3 Model 3820 Rear Panel 2-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-1 Model 3811 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-2 Installing a Model 3811 Modem 3-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-3 Circuit Pack Lock 3-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-1 Model 3810 DCP 4-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-2 Model 3820 DCP 4-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-3 Optional SDCP, Model 3811 Faceplate, and Optional SDU 4-3. . . . . . . . . . . . . . . . . . .

4-4 3800 Series LCD and Keypad 4-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-1 Dial Backup 5-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8-1 Local Analog Loopback 8-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8-2 Remote Digital Loopback 8-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8-3 Local Digital Loopback 8-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8-4 Pattern Test and Local Analog Loopback Test 8-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8-5 Pattern Test and Remote Digital Loopback Test 8-6. . . . . . . . . . . . . . . . . . . . . . . . . . . .

8-6 End-to-End Pattern Test 8-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9-1 DCP Configuration Process 9-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9-2 AT Command Configuration Process 9-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11-1 Top-Level Menu of a Remote 3800 Series Modem 11-3. . . . . . . . . . . . . . . . . . . . . . . . . .

E-1 Wiring Diagram – 8-Position to 6-Position Crossover Cable E-1. . . . . . . . . . . . . . . . . .

List of Figures

iv September 1998 3810-A2-GB30-30

Table of Contents

List of Tables

Tables Page

4-1 Model 3810 and Model 3811 DCP LEDs 4-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-2 Model 3820 DCP LEDs 4-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-3 SDCP LEDs 4-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-4 Top-Level Menu Status 4-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-5 Common Operational Messages 4-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-6 Dial Access Security Messages 4-12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-1 Valid Dial Command Modifiers 5-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9-1 DTE Interface Configuration Options 9-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9-2 DTE Dialer Configuration Options 9-15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9-3 Line Dialer Configuration Options 9-20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9-4 Dial Line Configuration Options 9-25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9-5 Leased Line Configuration Options 9-28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9-6 V .42/MNP/Buffer Configuration Options 9-33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9-7 Test Configuration Options 9-39. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9-8 Miscellaneous Configuration Options 9-41. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9-9 Security Configuration Options 9-45. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12-1 Edit Password Table Group Options 12-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12-2 Set Answer Security Group Options 12-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12-3 Set Originate Security Group Options 12-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12-4 Security Database Table Using VF-Side Passwords 12-12. . . . . . . . . . . . . . . . . . . . . . . . .

12-5 Security Database Table Using DTE-Side Passwords 12-13. . . . . . . . . . . . . . . . . . . . . . . .

12-6 Security Database Table Using Both VF-Side and DTE-Side Passwords 12-13. . . . . . . . .

12-7 Security Database Table Using Paired VF-Side and DTE-Side Passwords 12-14. . . . . . .

14-1 3800 Series AT Commands 14-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

14-2 3800 Series S-Registers 14-15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

B-1 Result Codes B-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C-1 Modem Health C-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C-2 Modem – DTE Connection C-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C-3 Modem – VF Connection C-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C-4 Online Operation C-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C-5 Leased-Line Operation C-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C-6 Dial Backup Operation C-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

D-1 Technical Specifications for 3800 Series Modems D-1. . . . . . . . . . . . . . . . . . . . . . . . . .

E-1 VF Connector Pin Assignments: Models 3810 and 3820 E-2. . . . . . . . . . . . . . . . . . . . .

E-2 VF Connector Pin Assignments: TELCO Jacks E-2. . . . . . . . . . . . . . . . . . . . . . . . . . . .

E-3 EIA-232-D Pin Assignments E-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

E-4 EIA RS-366-A Pin Assignments E-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

F-1 V.25bis Commands F-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

F-2 V.25bis Response Messages F-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

G-1 Factory Default Configuration Options G-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

v3810-A2-GB30-30 September 1998

COMSPHERE 3800 Series Modems

vi September 1998 3810-A2-GB30-30

Preface

Objectives and Reader Assumptions

This manual describes how to install and operate the COMSPHEREr 3800 Series standalone and carrier-mounted modems. The reader should have a basic understanding of modems and their operation.

How to Use This Manual

Chapter 1 provides information about the features of

3800 Series modems.

Chapter 2 provides instructions for installing the Model

3810 and Model 3820 modems.

Chapter 3 provides instructions for installing the Model

3811 modems.

Chapter 4 provides the information required to operate

the Model 3810 and Model 3820 using the diagnostic control panel (DCP) and the Model 3811 using the COMSPHERE 3000 Series Carrier’s shared diagnostic control panel (SDCP).

Chapters 5 through 12 describe the eight branches of the front panel command sets:

• Chapter 5 – Call Setup

Chapter 13 provides an overview of fax modem

operation.

Chapter 14 provides instructions for displaying and

changing AT commands and S-registers.

Appendix A provides a menu tree for 3800 Series

modems.

Appendix B provides a list of the result codes produced

by 3800 Series modems.

Appendix C provides instructions for performing

diagnostic tests when data communications problems occur.

Appendix D provides technical specifications.

Appendix E provides EIA RS-232, EIA RS-366A, and

VF TELCO pin assignments.

Appendix F provides V.25bis dialing information.

Appendix G provides a list of all default configuration

options available for the four factory preset configurations: Async Dial, Sync Dial, Sync Leased, and UNIX Dial.

Appendix H provides an equipment list for 3800 Series

modems.

The Glossary provides a description of terms used throughout this manual.

• Chapter 6 – Talk/Data

• Chapter 7 – Status

• Chapter 8 – Test

• Chapter 9 – Configure

• Chapter 10 – Control

• Chapter 11 – Remote

• Chapter 12 – Security

vii3810-A2-GB30-30 September 1998

COMSPHERE 3800 Series Modems

Introduction

Overview 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Features 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Options 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

COMSPHERE 3800 Series Models 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Overview

The COMSPHERE 3800 Series modems, a new generation of full-feature, high-speed dial modems, offer reliable asynchronous and synchronous operation over dial- or leased-lines networks. The 3800 Series modems’ unique software defineability allows for the addition of future enhancements, whether it is installing new features or firmware upgrades.

Through its downloading capability, any 3800 Series modem can be upgraded to the latest firmware, requiring no new hardware investment or on-site personnel, and little or no downtime. These modems support a wide range of modulation schemes and offer control using either AT commands, the user-friendly diagnostic control panel (DCP) or the optional COMSPHERE 6700 Series Network Management System (NMS). The NMS performs extensive monitoring, testing, reporting, and restoral functions to assist in managing your network.

High-speed data transfer and reliable throughput at data rates as high as 19,200 bps (V.32terbo) over dial lines is guaranteed by employing the latest techniques in ITU-T V.42bis/MNP Class 5 data compression and ITU-T V.42/MNP error correction. In addition to fast line speeds, the modem can send data to the DTE at speeds as high as 115,200 bps.

The 3800 Series modem is extremely versatile when used in modem pooling environments; it allows multiple users to temporarily customize settings in the 3800 Series modem, thereby permitting communication with the calling modem. Upon disconnection, the 3800 Series modem falls back to its original configuration settings and resumes normal operation.

The modem’s compatibility with a number of dialing methods and protocols, such as asynchronous AT commands, ITU-T V.25bis dialing, EIA RS-366-A dialing for carrier-mounted modems, and the user-friendly diagnostic control panel (DCP), permits the 3800 Series modem to be used in a variety of applications and environments while also allowing control over modem configuration, dialing, and diagnostics. The 3800 Series modems offer four preset factory configurations containing the most often used modem settings. These factory presets provide quick configuration for any asynchronous/ synchronous dial, synchronous leased, or UNIXr hardware-based dial environments.

The 3800 Series family is available in three models: the Model 3810, a 4-wire/2-wire standalone modem; the Model 3811, a carrier - mounted version of the standalone unit; and the Model 3820, a 2-wire standalone unit. All three models offer a variety of modulation schemes and network enhancements while still providing reliable, high-speed data transmission using the latest in modem technology.

1-13810-A2-GB30-30 September 1998

COMSPHERE 3800 Series Modems

Features

The 3800 Series modems have a wide variety of

features.

• Dial-Line Modulations: V.32terbo (19,200 and

16,800 bps), ITU-T V.32bis (14,400, 12,000, 9600, 7200, and 4800 bps), V.32 (9600 and 4800 bps), V.22bis (2400 bps), V.22 (1200 bps), V.21 (300 bps), Bell 212A, (1200 bps), and Bell 103J (300 bps).

• T wo-wire/four-wire Leased-Line Modulations:

V.32terbo (19,200 and 16,800 bps), V.32bis (14,400, 12,000, 9600, 7200, and 4800 bps), V.32 (9600 and 4800 bps), V.22bis (2400 bps).

• Convenient migration to new or optional features

through software downloading.

• ITU-T V.42bis and MNP Class 5 data compression.

• Virtual error free data integrity with ITU-T V.42

and MNP Level 4 error control.

• Automatic and manual single call dial backup and

dial standby capabilities for 4-wire leased-line applications (Model 3810 and Model 3811).

• A unique Paradyne modem pooling feature that

preserves the answering modem’s permanent configuration, but allows multiple users to temporarily adapt parameters for individual requirements.

• Dial-line data rates from 300 bps–19,200 bps.

Leased-line rates from 2400 bps–19,200 bps.

• Asynchronous dial DTE data rates from

300 bps–115,200 bps.

• A diagnostic control panel (DCP) on the front bezel

that displays the connect status, data rate, type of error control or compression, test results, alarm status of DTE or VF parameters for both local and remote modems.

• Storage of up to 10 telephone numbers to directory

locations.

• Compatibility with the industry de facto standard

AT Command set.

• Dialing via DCP, AT commands, ITU-T V.25bis

commands, or RS-366-A (Model 3811 only).

• Configuration of software options via the

AT Command set or DCP.

• High-speed transmission using asynchronous,

synchronous, or UNIX devices over full- or half-duplex dial networks or 2-wire/4-wire leased lines.

• Complement of self-tests, local and remote

loopbacks including ITU-T compatible V.54.

• Four factory-defined configurations and two

user-defined configuration areas.

• Availability in either the 2-wire/4-wire standalone

and carrier mount, or the 2-wire only standalone models.

• Originate Security and three Answer Security

modes.

• Directory #1 Callback capability .

• Dial Access Security which guards against

unwanted user access to the host DTE.

• Hayes Autosync support.

Options

The 3800 Series modems also may have the following optional features:

• Diagnostic, control, monitor, and call statistic

capabilities through the COMSPHERE 6700 Series NMS.

• Class 2 Fax modulations: ITU-T V.17 (14,400,

12,000, 9600, 7200 bps), V.29 (9600, 7200 bps) and V.27ter (4800, 2400 bps).

• V.29 and V.33 leased line options.

• Enhanced Throughput Cellular (ETC), which

improves reliability and speed over cellular links.

COMSPHERE 3800 Series Models

The COMSPHERE 3800 Series modem is available in several models.

• Model 3810, a 4-wire/2-wire standalone unit

capable of operation on 2-wire dial, or 4-wire leased or 2-wire leased lines.

• Model 3811, a 4-wire/2-wire carrier-mounted

modem for installation into a COMSPHERE 3000 Series Carrier; it is capable of operation on dial, or 4-wire leased or 2-wire leased lines.

• Model 3820, a 2-wire standalone unit capable of

operation on dial or 2-wire leased lines.

1-2 September 1998 3810-A2-GB30-30

Model 3810 and 3820 Installation

Overview 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3800 Series Modem Package 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Customer-Supplied Equipment 2-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Model 3810 or Model 3820 Modem Installation 2-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Model 3810 Dial-Line Connection 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Model 3810 4-Wire/2-Wire Leased-Line Connection 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Model 3820 Dial-Line Connection 2-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Model 3820 2-Wire Leased-Line Connection 2-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DTE Connection 2-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Model 3810 and Model 3820 Telephone Connection 2-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Dial Network Management System Connection 2-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

AC Power Transformer Connection 2-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Modem Power-Up 2-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Removing and Replacing Model 3810 and Model 3820 Modems 2-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Overview

The standalone Model 3810 modem (Figure 2-1) is capable of either dial or 4-wire/2-wire leased-line operation. The modem is controlled using either AT commands or the diagnostic control panel (DCP). The DCP consists of an LCD which displays the T op-Level menu, three function keys and four directional keys which allow you to maneuver and choose DCP selections, and a row of 12 LED status indicators which display modem activity . For a better understanding of DCP operation, refer to Chapter 4, DCP Operation.

The rear of the modem contains an ON/Off power switch, a low voltage ac power connector, an 8-pin modular connector for phone or leased-line connection, an

8-pin modular connector for dial-line connection, a 4-pin modular connector for network management, and a DB-25-S DTE connector.

The standalone Model 3820 is capable of dial and 2-wire leased-line operation. Its DCP functions are similar to the Model 3810 except it has only six LED status indicators. For more information regarding the DCP, refer to Chapter 4, DCP Operation.

The rear of the modem contains an ON/Off power switch, a low voltage ac power connector, an 8-pin modular connector for external telephone use, an 8-pin modular connector for dial-line or 2-wire leased-line connection, a 4-pin modular connector for network management, and a DB-25-S DTE connector.

2-13810-A2-GB30-30 September 1998

COMSPHERE 3800 Series Modems

DIAGNOSTIC

CONTROL

PANEL

SPEAKER

INDICATORS

LCD AND KEYPAD

STATUS

AC TRANSFORMER

Figure 2-1. Model 3810 and 3820

3800 Series Modem Package

After opening the modem’s package, check for damage

and verify that the following items are present:

• Manual and Quick Reference

• Model 3810 or Model 3820 modem

• Power transformer

• One 6-position, 4-wire modular cord (Model 3810

and Model 3820)

EIA-232-D

INTERFACE

NMS

DIAL/LEASED (3820)

PHONE/LEASED (3810)

AC POWER IN

ON/OFF

496-13096-02

• One 8-position, 8-wire modular cord (Model 3810

only)

• One ferrite choke and cable tie

• Fax software and documentation (if fax option

installed)

If any hardware components are damaged, notify your sales or service representative. Refer to page A in the front of this document for contact information.

2-2 September 1998 3810-A2-GB30-30

Chapter Title

Customer-Supplied Equipment

The following customer-supplied equipment is required to complete a data communications system using either the Model 3810 or Model 3820 modem:

• A DTE with an available EIA-232-D serial port.

• A standard EIA-232-D male-to-female cable with a

male DB-25-S connector at one end to attach to the modem.

• One of the following modular dial or leased

network interfaces:

— RJ11C for dial permissive applications — An 8-position to 6-position crossover cable for

JM8 leased-line applications only

The following customer-supplied equipment is required for the installation of a Model 3811 modem:

• A COMSPHERE 3000 Series Carrier.

• A male-to-female 50-pin mass termination cable.

One Network Interface Module (NIM) for modems installed in Slots 1–8 and one NIM for modems installed in Slots 9–16 (required for dial-line applications).

• One of the following modular or 50-pin dial or

leased network interfaces:

Model 3810 or Model 3820 Modem Installation

Before installing your standalone modem, make sure your installation site is clean and well-ventilated. Allow space around the modem for installing cables and telephone cords, and make sure the modem is located within reach of the ac power outlet. The distance between your modem and DTE should be minimized if DTE data rates exceed 19,200 bps. Also, low capacitance cables may be necessary for speeds greater than 19,200 bps or distances greater than 50 feet.

The rear panel of both the Model 3810 and Model 3820 modems have the following switches and connectors (see Figures 2-2 and 2-3):

• An ON/Off power switch.

• A 5-pin DIN type power receptacle for ac power

transformer.

• An 8-pin modular keyed jack for 4-wire/2-wire

leased lines or external telephone set on the Model 3810. On the Model 3820, this jack is for external telephone set use only.

• An 8-pin modular keyed jack for dial (Public

Switched T elephone Network, or PSTN) lines on the Model 3810. On the Model 3820, this jack is for dial or 2-wire leased lines.

— RJ11C for single line dial permissive

applications

— RJ21X for multiple line dial permissive

applications

— 66 punchdown block or other demarcation

device

• One 6-position to 6-position modular cord (required

for network management applications).

• A Shared Diagnostic Unit (SDU) (required for

network management applications).

If the modem is to be managed by a network management system, a Shared Diagnostic Unit (SDU) must be supplied and properly connected to the network management controller . For proper network management connection to the SDU, refer to the COMSPHERE 6700 Series Network Management System User’s Guide.

For installation of the 3000 Series Carrier into a cabinet, refer to the COMSPHERE 3000 Series Carrier,

Installation Manual.

• A 4-pin modular jack for Network Management

System (NMS) connection.

• A 25-pin DB-25-S receptacle for DTE interface.

Figure 2-2 and Figure 2-3 show how Model 3810 and Model 3820 modems are connected to certain TELCO jack types using the supplied cables. For other TELCO connections, refer to Appendix E.

2-33810-A2-GB30-30 September 1998

COMSPHERE 3800 Series Modems

Model 3810 Dial-Line Connection

For the Model 3810, use the following procedures to

connect the modem to the dial network interface:

1. Insert the 6-position, 4-conductor modular plug into the jack labeled DIAL/LEASED (3820). See Figure 2-2.

2. Insert the other end of the modular cord into the dial network interface.

PHONE DIAL NMS

PWR

LEASED

(3810)

LEASED

(3820)

Model 3810 4-Wire/2-Wire Leased-Line Connection

Use the following procedures to connect a Model 3810

to the leased-line network interface:

1. Insert the 8-position, 8-conductor modular plug into the jack labeled PHONE/LEASED (3810). See Figure 2-2.

2. Insert the other end of the modular cord into the leased-line network interface.

3. If the Model 3810 has a dial backup line, follow the steps listed in Model 3810 Dial-Line Connection section.

DTE

4-CONDUCTOR PLUG

6-POSITION,

FOR TELEPHONE SET

8-POSITION,

8-CONDUCTOR PLUG

FOR LEASED LINE

NETWORK OPERATION

(CONNECTS WITH

JM8 TYPE JACK)

98-13070-02

6-POSITION, 4-CONDUCTOR PLUG FOR PERMISSIVE DIAL NETWORK OPERATION (CONNECTS WITH RJ11C TYPE JACK)

Figure 2-2. Model 3810 Rear Panel

2-4 September 1998 3810-A2-GB30-30

Model 3810 and 3820 Installation

Model 3820 Dial-Line Connection

Use the following procedures to connect a Model 3820

to the dial network interface:

1. Insert the 6-position, 4-conductor modular plug into the jack labeled DIAL/LEASED (3820). See Figure 2-3.

2. Insert the other end of the modular cord into the dial network interface.

PHONE DIAL NMS

PWR

LEASED

(3810)

LEASED

(3820)

Model 3820 2-Wire Leased-Line Connection

Use the following procedures to connect a Model 3820 modem to the 6-pin, center pair, leased-line network interface. For 2-wire leased line connection to a JM8 network interface, refer to Figure E-1 in Appendix E:

1. Insert the 6-position, 4-conductor modular plug into the jack labeled DIAL/LEASED (3820). See Figure 2-3.

2. Insert the other end of the modular cord into the leased-line network interface.

DTE

4-CONDUCTOR PLUG

6-POSITION,

FOR TELEPHONE SET

98-13071-02

6-POSITION, 4-CONDUCTOR PLUG FOR PERMISSIVE DIAL NETWORK OPERATION (CONNECTS WITH RJ11C TYPE JACK)

– OR – 2-WIRE LEASED-LINE NETWORK OPERATION

(CONNECTS WITH 6-POSITION CENTER PAIR LEASED JACK)

Figure 2-3. Model 3820 Rear Panel

2-53810-A2-GB30-30 September 1998

COMSPHERE 3800 Series Modems

DTE Connection

Use the following procedures to connect the EIA-232-D cable and ferrite choke from the modem to the DTE:

1. Make sure the modem’s rear panel power switch is Off.

2. Connect the DB-25 plug on the cable to the DB-25 socket labeled DTE on the modem’s rear panel. See Figure 2-4. Use a small screwdriver to fasten the cable to the modem.

3. Connect the other end of the cable to the DTE. Use a small screwdriver to fasten the cable to the DTE.

T o ensure compliance with FCC Part 15 Regulations, a ferrite choke must be installed on the EIA-232-D interface cable.

1. Open the ferrite choke and place it around the DTE cable as close as possible to the connector attached to the modem.

2. Close the two halves around the cable and snap the ferrite choke shut, pressing down on the plastic latch to secure it.

3. Install a cable tie behind the ferrite choke to prevent it from sliding along the cable.

DTE

Connector

Ferrite Choke

Cable Tie

98-13144-01

Figure 2-4. Model 3810 and 3820 DTE Cable and Ferrite Choke Installation

2-6 September 1998 3810-A2-GB30-30

Model 3810 and 3820 Installation

Model 3810 and Model 3820 Telephone Connection

Use the following procedures to connect the modem to

a telephone:

1. Insert the 6-position, 4-conductor modular plug into the jack labeled PHONE/LEASED (3810).

2. Insert the other end of the modular cord into the telephone.

Dial Network Management System Connection

For Model 3810 and 3820 modems, use the following procedures to connect the modem to the network management system interface:

1. Insert the subminiature 4-conductor modular plug of the 3600 Hubbing Device into the jack labeled NMS.

2. Connect the 3600 Hubbing Device to the network management system.

Modem Power-Up

Once your modem is properly connected to the DTE, dial and/or leased lines, and ac outlet, press the modem’s rear panel power switch to the ON position. The modem begins a power-up self-test. This test takes several seconds to perform, and verifies the operation of most hardware components within the modem. If successful, the LCD displays Power On Selftst Passed and continues to the T op-Level menu screen.

Power On Selftst Passed

If a failure occurs during the self-test, the LCD displays Power On Selftst Failed for several seconds. The LCD then displays the T op-Level menu screen with the message Power on Fail appearing on the top line of the LCD. Although a failure has occurred, the modem will attempt to operate. This allows you to activate a more thorough self-test using the T est branch. Refer to Chapter 8, Test Branch.

Refer to the 3600 Hubbing Device Feature Number

3600-F3-300 Installation Instructions (3610-A2-GZ45)

for more information. Installation for the Model 3810 and 3820 modems is the same as for the 3610 DSU.

AC Power Transformer Connection

Use the following procedures to connect the modem to

an ac power outlet:

1. Make sure the modem’s power switch is in the Off position.

2. Insert the power transformer’s 5-pin DIN male connector into the modem’s rear panel ac power receptacle.

3. Insert the power transformer into a grounded ac power outlet.

2-73810-A2-GB30-30 September 1998

COMSPHERE 3800 Series Modems

Removing and Replacing Model 3810 and Model 3820 Modems

T o remove and replace a Model 3810 or Model 3820

modem, perform the following steps:

1. Make sure the modem is offline, and press the modem’s rear panel power switch to the Off position.

2. Disconnect the power cord from the ac power outlet, and then from the connector on the rear of the modem.

3. Disconnect the dial and leased-line modular cords from the modem’s rear panel.

4. Disconnect the DTE interface cable from the modem’s rear panel.

If the modem is to be removed for service, return it using the procedures on page A in the front of this document for contact information.

5. Install the replacement modem as described in the

Model 3810 or Model 3820 Modem Installation

section of this chapter, and configure it the same way as the modem being replaced.

2-8 September 1998 3810-A2-GB30-30

Model 3811 Installation

Overview 3-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Model 3811 Installation 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Removing and Replacing Model 3811 Modems 3-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Overview

The carrier-mounted Model 3811 modem (Figure 3-1) is capable of dial or 4-wire/2-wire leased-line operation and installs into a COMSPHERE 3000 Series Carrier. The Model 3811’s faceplate has 16 LED status indicators for displaying modem activity and an audio speaker jack for the carrier’s optional speaker .

The Model 3811 modem’s rear has two DTE edge card connectors that mount into a connector plate located on the rear of the carrier. This connector plate has two DB-25-S connectors, one providing an EIA RS-232 DTE interface and one providing an EIA RS-366A DTE interface. The Model 3811 derives ac power from the COMSPHERE 3000 Series Carrier’s backplane which is a common bus to all devices installed in the carrier. The user interface to any Model 3811 is through the shared diagnostic control panel (SDCP), an optional feature

similar to the DCPs on the Model 3810 and Model 3820. For a better understanding of DCP operation, refer to Chapter 4, DCP Operation.

The COMSPHERE 3000 Series Carrier has a total of 17 slots. The first slot, Slot 0, is reserved for the Shared Diagnostic Unit (SDU) while the remaining 16 slots can house up to 16 Model 3811 modems, or for mixed networks, a combination of Model 3811 modems and Model 3611 Data Service Units (DSUs). An SDU is a circuit card that provides SDCP and network management interfaces to modems and DSUs installed in the carrier. SDUs are only required if a single SDCP is used by multiple COMSPHERE 3000 Series Carriers in a cabinet or if a network management system (NMS) is used.

For more details on the COMSPHERE 3000 Series Carrier, refer to the COMSPHERE 3000 Series Carrier, Installation Manual.

3-13810-A2-GB30-30 September 1998

COMSPHERE 3800 Series Modems

FACEPLATE

Status

Pwr Alrm

142

Tes t Dial

125

RI Busy

Serv

103

TXD

104

RXD

105

RTS

106

CTS

107

DSR

108

DTR

109

LSD

Front Panel

Spkr

EIA-232/V.24

CONNECTOR

EIA-232/V.24 EDGE CARD

CONNECTOR

RS-366A/V.25

EDGE CARD

CONNECTOR

REAR

CONNECTOR

PLATE

RS366A/V.25 (3800) EIA232/V.24

RS-366A/V.25 CONNECTOR

V.35 (3600/3500)

3811

496-13155-02

Figure 3-1. Model 3811

Model 3811 Installation

The Model 3811 is designed for installation in a COMSPHERE 3000 Series Carrier which supplies operating power and the dial and/or leased-line network connections. For correct power, DTE, dial-line,

leased-line, NIM, and network management cabling information, refer to the COMSPHERE 3000 Series Carrier , Installation Manual.

The COMSPHERE 3000 Series Carrier has 17 slots which can hold up to 16 modems and one Shared Diagnostic Unit (SDU). The SDU is required when the modems in the carrier are controlled by an NMS, or when multiple carriers in a cabinet configuration are to be controlled by a single shared diagnostic control panel (SDCP). The SDCP of the COMSPHERE 3000 Series Carrier is the user interface to the Model 3811 modem. A single SDCP can control up to eight carriers containing up to 128 compatible modems.

3-2 September 1998 3810-A2-GB30-30

Model 3811 Installation

The installation of a Model 3811 varies slightly if an SDCP is installed on the front of the carrier. To install a Model 3811 modem into the carrier without an SDCP, perform the following steps:

CAUTION

If the Model 3811 is removed from the carrier, always use a ground strap when handling the modem. Always store the Model 3811 in an antistatic bag when it is removed from the carrier.

1. At the rear of the carrier install the rear connector plate. Make sure the plate uses the same slot position as that intended for the modem.

Loosely fasten the plate. This allows for slight adjustments later when installing the modem.

2. At the front of the carrier, hold the modem vertically , with the latch on its faceplate in the open position, and insert it into the top and bottom card guides of one of the slots numbered 1–16 (see Figure 3-2).

Slide the modem into the slot, aligning the modem with the rear connector plate, until the backplane connector and DTE connector seat firmly into the back of the carrier. The faceplate latch automatically closes as you push the modem into the carrier. To lock the modem into the carrier, press the faceplate latch until a click is heard.

3. If the carrier is ON, the Power LED on the faceplate of the 3811 lights. After several seconds the modem completes its power-up self-test in which all faceplate LEDs light. If the modem fails, the Alrm LED on the faceplate flashes.

Return to the rear of the carrier and tighten the rear connector plate.

Figure 3-2. Installing a Model 3811 Modem

3-33810-A2-GB30-30 September 1998

+ 183 hidden pages