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3162 DSU
User Manual
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Paradyne 3162 DSU, 3162 CSU User Manual

ACCULINK
3162 DSU/CSU
USER’S GUIDE
Document No. 3162-A2-GB20-30
March 1999
Copyright 1999 Paradyne Corporation. All rights reserved. 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 Ave. N., Largo, FL 33773.
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.
Warranty, Sales, Service, and Training 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:
Internet: Visit the Paradyne World Wide Web site at www.paradyne.com. (Be sure to register your warranty
there. Select
Telephone: Call our automated system to receive current information by 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
Service & Support → Warranty Registration
.)
Trademarks
All products and services mentioned herein are the trademarks, service marks, registered trademarks or registered service marks of their respective owners.
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@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.
Printed on recycled paper
A
March 1999
Important Information
!
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. Input power to the ac voltage configuration of this product must be provided by a UL-listed or CSA-certified power source with a Class 2 or Limited Power Source (LPS) output.
10. This product contains a coin cell lithium battery that is only to be replaced at the factory . Caution: There is a danger of explosion if the battery is incorrectly replaced. Replace only with the same type. Dispose of used batteries according to the battery manufacturer’s instructions. Attention: Il y a danger d’explosion s’il y a remplacement incorrect de la batterie. Remplacer uniquement avec une batterie du même type. Mettre au rebut les batteries usagées conformément aux instructions du fabricant.
1 1.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.
3162-A2-GB20-30 March 1999
B
Important Information
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.
C
March 1999
Important Information
Government Requirements and Equipment Return
Certain governments require that instructions pertaining to CSU connection to the 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 UNITED STATES TELEPHONE NETWORK
1. This equipment complies with Part 68 of the FCC rules. On the bottom of the DSU/CSU is a label that contains, among other information, the FCC registration number. If requested, this information must be provided to the telephone company .
2. The T1 network connection should be made using a Universal Service Order Code (USOC) type RJ48C jack. The Service Order Code 6.0F should be specified to the telephone company when ordering the T1 line. In addition, the proper Facility Interface Code must be specified to the telephone company . The DSU/CSU can be configured to support any of the following framing format and line signaling techniques. The DSU/CSU configuration must correspond to the T1 line’s parameters.
DSU/CSU Facility Interface Codes
Code Description
04DU9-BN 1.544 Mbps superframe format (SF) without line power 04DU9-DN 1.544 Mbps SF and B8ZS without line power 04DU9-1KN 1.544 Mbps ANSI ESF without line power 04DU-1SN 1.544 Mbps ANSI ESF and B8ZS without line power
3. An FCC compliant telephone cord and modular plug is 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. See the installation instructions for details.
4. If the DSU/CSU 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 Wide Web site at http://www.paradyne.comVia 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.
3162-A2-GB20-30 March 1999
D
Important Information
7. If your DSU/CSU is in need of repair, refer to the
8. No repairs may be made by the customer.
Warranty, Sales and Service Information
section on page A.
Canada NOTICE TO USERS OF THE CANADIAN TELEPHONE NETWORK
The Industry Canada label identifies certified equipment. This certification means that the equipment meets telecommunications network protective, operational, and safety requirements as prescribed in the appropriate Terminal Equipment Technical Requirements document(s). 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. The customer should be aware that compliance with the above conditions may not prevent degradation of service in some situations.
Repairs to certified equipment should be coordinated by a representative designated by the supplier. Any repairs or alterations made by the user to this equipment, or equipment malfunctions, may give the telecommunications company cause to request the user to disconnect the equipment.
Users should ensure for their own protection that the electrical ground connections of the power utility , telephone lines, and internal metallic water pipe system, if present, are connected together. This precaution may be particularly important in rural areas.
Caution:
Users should not attempt to make such connections themselves, but should contact the appropriate electric inspection authority , or electrician, as appropriate.
If your equipment is in need of repair, refer to the procedure on page A of this document.
E
March 1999

Contents

About This Guide
Document Purpose and Intended Audience vii. . . . . . . . . . . . . . . . . . . . . . . . .
Document Summary vii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Product-Related Documents viii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reference Documents viii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 Introduction
Overview 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Features 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Physical Description 1-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTE Drop/Insert (DSX-1) Interface 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Asynchronous Terminal Interface Support 1-2. . . . . . . . . . . . . . . . . . . . . .
Alarm Message Capability 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Telnet Access 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SNMP Management Support 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 Installation
Overview 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Application Examples 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SNMP or Telnet Connection Examples 2-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Important Instructions 2-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cabling Examples 2-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power-Up Self-Test 2-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
March 1999
i
Contents
3 Operation
Overview 3-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Panel LEDs 3-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Initiating an Asynchronous Terminal Session 3-5. . . . . . . . . . . . . . . . . . . . . . . .
Ending an Asynchronous Terminal Session 3-5. . . . . . . . . . . . . . . . . . . . . . . . .
Recovering Asynchronous Terminal Operation 3-6. . . . . . . . . . . . . . . . . . . . . .
Menu Organization 3-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Using Asynchronous Terminal Screens 3-8. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Setting Customer Identification 3-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Displaying LED Conditions 3-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Changing Configuration Options 3-12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Displaying or Editing Configuration Options 3-13. . . . . . . . . . . . . . . . . . . . .
Saving Edit Changes 3-15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configuring the DSU/CSU for SNMP or Telnet Access 3-16. . . . . . . . . . . . . . .
Configuration Examples 3-16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Selecting the Port 3-17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Setting the IP Address 3-18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Selecting the Link Layer Protocol 3-19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configuring DS0 Channels 3-20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Displaying DS0 Channel Assignments 3-24. . . . . . . . . . . . . . . . . . . . . . . . .
Allocating DS0 Channels from the DTE Drop/Insert Interface to the
Network Interface 3-26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configuring DS0 Channels for Robbed Bit Signaling 3-27. . . . . . . . . . . . .
Allocating Data Ports Using the Block or ACAMI Assignment
Method 3-28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Allocating Data Ports Using the Individual Channel Assignment
Method 3-29. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clearing DS0 Channel Allocation 3-29. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Establishing Access Security on a Port 3-30. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Setting a Password 3-31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Entering a Password to Gain Access 3-32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Selecting the Timing Source 3-33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Providing Backup Capability 3-34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Download Operations 3-34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ii
March 1999
4 Monitoring and Testing
Overview 4-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Self-Test Results 4-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Device Health and Status 4-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Performance Reports 4-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Alarms 4-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SNMP Traps 4-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting 4-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Test Jacks 4-13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Test Commands 4-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Remote Loopback Tests 4-15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sending a Line Loopback Up or Down 4-15. . . . . . . . . . . . . . . . . . . . . . . . .
Sending a V.54 or ANSI FT1 Activation/Deactivation Sequence 4-16. . . .
Local Loopback Tests 4-16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starting a Line Loopback 4-17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starting a Payload Loopback 4-18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starting a DTE Loopback 4-18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starting a Repeater Loopback 4-19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starting a Data Channel Loopback 4-20. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starting a Data Terminal Loopback 4-21. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Aborting Loopbacks 4-21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Test Patterns 4-22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sending Network QRSS or Network 1-in-8 Test Patterns 4-22. . . . . . . . . .
Sending Port QRSS or Port 511 Test Patterns 4-23. . . . . . . . . . . . . . . . . . .
Monitoring Network QRSS Test Patterns 4-23. . . . . . . . . . . . . . . . . . . . . . .
Monitoring Port QRSS or Port 511 Test Patterns 4-23. . . . . . . . . . . . . . . . .
Aborting Test Patterns 4-24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lamp Test 4-24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starting a Lamp Test 4-24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Aborting a Lamp Test 4-24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Displaying DSU/CSU Test Status 4-25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Contents
March 1999
iii
Contents
A Asynchronous Terminal Menu
B Technical Specifications
Overview B-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C Configuration Options
Overview C-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Network Interface Configuration Options C-2. . . . . . . . . . . . . . . . . . . . . . . . . . .
DTE Interface Configuration Options C-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sync Data Port Configuration Options C-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cross Connect Configuration Options C-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTE-to-Network Assignment Options C-1 1. . . . . . . . . . . . . . . . . . . . . . . . . .
Sync Data Port Assignment Options C-12. . . . . . . . . . . . . . . . . . . . . . . . . . .
General Configuration Options C-15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
User Interface Configuration Options C-17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Communication Port Configuration Options C-17. . . . . . . . . . . . . . . . . . . . .
External Device Configuration Options C-19. . . . . . . . . . . . . . . . . . . . . . . . .
Telnet Sessions Configuration Options C-22. . . . . . . . . . . . . . . . . . . . . . . . .
Auxiliary Port Configuration Options C-23. . . . . . . . . . . . . . . . . . . . . . . . . . .
Alarm and Trap Configuration Options C-24. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Management and Communication Configuration Options C-26. . . . . . . . . . . . .
Communication Protocol Configuration Options C-26. . . . . . . . . . . . . . . . .
General SNMP Management Configuration Options C-29. . . . . . . . . . . . . .
SNMP NMS Security Configuration Options C-30. . . . . . . . . . . . . . . . . . . . .
SNMP Traps Configuration Options C-31. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configuration Worksheets C-34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D Pin Assignments
Overview D-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T1 Network Interface D-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTE Drop/Insert Interface D-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AUX Port Interface D-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COM Port Interface D-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
EIA-530-A Port Interface Connector D-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
EIA-530-A-to-RS449 Adapter D-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
EIA-530-A-to-V.35 Adapter D-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
EIA-530-A-to-X.21 Adapter D-12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Serial Crossover Cable D-13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
External Clock Interface D-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
iv
March 1999
E SNMP MIB Objects
Overview E-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MIB II (RFC 1213) E-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
System Group, MIB II E-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interface Group, MIB II E-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IP Group, MIB II E-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ICMP Group, MIB II E-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TCP Group, MIB II E-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UDP Group, MIB II E-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transmission Group, MIB II E-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SNMP Group, MIB II E-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DS1/E1 MIB (RFC 1406) E-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Near End Group, DS1/E1 MIB E-12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Far End Group, DS1/E1 MIB E-16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DS1 Fractional Group, DS1/E1 MIB E-16. . . . . . . . . . . . . . . . . . . . . . . . . . . .
RS-232-like MIB (RFC 1317) E-17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General Port Table, RS-232-like MIB E-17. . . . . . . . . . . . . . . . . . . . . . . . . . .
Asynchronous Port Table, RS-232-like MIB E-19. . . . . . . . . . . . . . . . . . . . .
Synchronous Port Table, RS-232-like MIB E-20. . . . . . . . . . . . . . . . . . . . . .
Input Signal Table, RS-232-like MIB E-20. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output Signal Table, RS-232-like MIB E-21. . . . . . . . . . . . . . . . . . . . . . . . . .
Generic-Interface MIB Extensions (RFC 1229) E-21. . . . . . . . . . . . . . . . . . . . . .
Generic Interface Test Table, Generic Interface MIB E-22. . . . . . . . . . . . . .
Enterprise MIB E-24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Contents
F IP Network Addressing Scenario
Overview F-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IP Network Addressing F-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
G Equipment List
Glossary
Index
March 1999
v
Contents
This page intentionally left blank.
vi
March 1999

About This Guide

Document Purpose and Intended Audience
This user’s guide contains installation, operation, and maintenance information for the ACCULINK 3162 Data Service Unit (DSU)/Channel Service Unit (CSU).
It is assumed that you are familiar with the operation of digital data communication equipment. You should also be familiar with Simple Network Management Protocol (SNMP) if you want your DSU/CSU to be managed by an SNMP manager.
Document Summary
Section Description
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Appendix A
Appendix B
Appendix C
Appendix D
Introduction.
features.
Installation.
make connections.
Operation.
panel, using an asynchronous terminal to change configuration options, and establishing security.
Maintenance.
testing, and troubleshooting.
Asynchronous Terminal Menu
showing all the main front panel functions.
Technical Specifications
specifications for the 3162 DSU/CSU.
Configuration Options.
options and default settings.
Pin Assignments
connectors and cables.
Describes the 3162 DSU/CSU and its
Describes how to install the DSU/CSU and
Provides instructions for using the front
Contains procedures for monitoring,
. Contains a menu tree
. Contains technical
Contains all the configuration
. Shows the pin assignments for
Appendix E
SNMP MIB Objects
supported by the DSU/CSU.
March 1999
. Describes the MIB objects
vii
About This Guide
Section Description
Appendix F
Appendix G
Glossary Defines abbreviations and terms used in this
Index Lists key terms, concepts, and sections in alphabetical
Product-Related Documents
Document Number Document Title
3160-A2-GB21
Contact your sales or service representative to order additional product documentation.
Paradyne documents are also available on the World Wide Web at:
http://www.paradyne.com
IP Network Addressing Scenario
addressing scheme.
Equipment List
other related parts.
document.
order.
ACCULINK 3160, 3161, 3164, and 3165 Data Service Unit/Channel Service Unit Operator’s Guide
. Contains order numbers for cables and
. Provides sample IP
Reference Documents
AT&T Technical Reference 54016 AT&T Technical Reference 62411 ANSI T1.403-1989 Industry Canada CS-03 CSA-22.2 No. 950 Industry Canada (ICES)-003 FCC Part 15 FCC Part 68 UL 1950
Management Information Base for Network Management of TCP/IP- Based Internets: MIBII
Definitions of Managed Objects for the DS1 and E1 Interface Types
January 1993
Definitions of Managed Objects for RS-232-like Hardware Devices
April 1992
Extensions to the Generic-Interface MIB
. RFC 1213, March 1991
. RFC 1406,
. RFC 1317,
. RFC 1229, May 1991
viii
March 1999

Introduction

Overview
1
The DSU/CSU acts as an interface between the T1 digital network and the customer premises equipment, converting signals received from the DTE (Data Terminal Equipment) to bipolar signals that can be transmitted over T1 lines. Typical applications include shared access to network-based services, Local Area Network (LAN)/Wide Area Network (WAN) interconnection, and fractional T1 network applications.
In addition to the T1 network interface and the DTE Drop/Insert (DSX-1) interface, the Model 3162 provides two synchronous data ports.
Features
The DSU/CSU optimizes network performance with a wide range of features such as the following:
Local or remote configuration and operation flexibility. Several loopback capabilities and test pattern generators. DTE Drop/Insert (DSX-1) capability. Asynchronous terminal interface support. Alarm message display/print capability. Telnet access for remote asynchronous terminal operations. Network management provided through industry-standard Simple Network
Management Protocol (SNMP).
March 1999
1-1
Introduction
DTE Drop/Insert (DSX-1) Interface
The DTE Drop/Insert interface allows DTEs/PBXs that support the DS1 signal format to share the T1 network with other high-speed equipment.
Asynchronous Terminal Interface Support
The DSU/CSU can be configured and managed from an asynchronous (async) terminal. The asynchronous terminal’s full screen display uses a menu hierarchy to perform device-control operations.
Chapter 3, with the use of the asynchronous terminal for DSU/CSU control.
Alarm Message Capability
The DSU/CSU can be attached, either locally or remotely, to an ASCII terminal or printer to display or print alarm messages. Alarms can also be displayed on a PC that is using a terminal emulation package.
Chapter 4,
Telnet Access
Remote async terminal operations can be performed using Telnet access. Telnet is a Transmission Control Protocol/Internet Protocol (TCP/IP) service that supports a virtual terminal interface.
SNMP Management Support
SNMP is a network management protocol that is used to monitor network performance and status, and to report alarms (i.e., traps). To function, SNMP requires a manager consisting of a software program housed within a workstation or PC; an agent consisting of a software program housed within a device (e.g., the DSU/CSU); and a Management Information Base (MIB) consisting of a database of managed objects. The DSU/CSU can be managed by any industry-standard SNMP manager.
Operation
, provides operational examples to help you become familiar
Maintenance
, provides a list of alarm messages.
1-2
Two link layer protocols, Point-to-Point Protocol (PPP) and Serial Line Internet Protocol (SLIP), are supported for connection to an external SNMP manager or network device (e.g., a router).
The SNMP manager or network device can be directly connected to the communications (COM) port. An external LAN Adapter can be connected to either the COM port or the auxiliary (AUX) port to provide Ethernet connectivity. Also, the DSU/CSU can be daisy chained together by connecting the COM port of one device to the AUX port of the other, providing SNMP connectivity.
The SNMP management system can communicate to the DSU/CSU remotely through the Facility Data Link (FDL) or the synchronous data port’s Embedded Data Link (EDL).
March 1999
Physical Description
The DSU/CSU front panel (Figure 1-1) contains twelve light-emitting diodes (LEDs) and six test jacks.
Introduction
The LEDs are described in the The test jacks are described in the
Front Panel LEDs
Test Jacks
section in Chapter 4,
section in Chapter 3,
Maintenance
The DSU/CSU rear panel (Figure 1-2) contains the connectors required for the operation of the DSU/CSU. The connectors and their functions are listed in
Table 1-1.
ACCULINK
F1 F2 F3
MON EQPT
NET
3162
In
OutInOutInOut
OK
FAIL TEST SIG OOF ALRM
EER SIG ALRM PDVOOF BPV
NETWORK RXD
DTR TXD CTS RTS
Operation
496-15001
.
.
Figure 1-1. 3162 DSU/CSU Front Panel
POWER
PORT 2
PORT 1
AUX
Figure 1-2. 3162 DSU/CSU Rear Panel
COM
EXT. CLOCK
DSX-1
NETWORK
496-15002
March 1999
1-3
Introduction
Table 1-1. DSU/CSU Rear Panel Connectors
Name Function
POWER Supplies power to the DSU/CSU by providing an attachment for the
ac power module. AUX PORT Supports SNMP LAN Adapter or daisy-chain connections. COM PORT Provides access to a locally connected PC, ASCII terminal or
printer, SNMP management link, or asynchronous terminal
interface. NETWORK Provides access to the T1 network. DTE Provides access to the DTE Drop/Insert (DSX-1) interface. CLOCK IN Used to attach an external clock to the DSU/CSU. PORTs 1–2 Used to connect the customer’s synchronous data DTE to the
DSU/CSU.
1-4
March 1999

Installation

Overview
This chapter contains information for installing your DSU/CSU. It includes application examples, cabling, and power-up information.
Application Examples
The DSU/CSU acts as an interface between the T1 digital network and the customer’s equipment.
2
LAN
ROUTER
The DSU/CSU is connected to the customer’s equipment through one of the synchronous data ports (PORTs 1–2) or the DTE Drop/Insert (DSX-1) interface. It is connected to the T1 digital network through the network interface.
Some common applications for the DSU/CSU are:
Point-to-Point LAN interconnection (Figure 2-1). Shared access to network-based services (Figure 2-2). Fractional T1 network applications (Figure 2-3).
NETWORK
DSU/CSU
Figure 2-1. Point-to-Point Application Example
DSU/CSU
LAN
ROUTER
496-15218
March 1999
2-1
Installation
PBX
NETWORK SERVICES
LAN
ROUTER
DSU/CSU
Figure 2-2. Shared Access Application Example
LAN
ROUTER
DSU/CSU
FRACTIONAL
NETWORK
LAN
ROUTER
DSU/CSU
Figure 2-3. Fractional T1 Application Example
496-15219
LAN
ROUTER
DSU/CSU
LAN
ROUTER
496-15220
2-2
March 1999
SNMP or Telnet Connection Examples
The DSU/CSU can be connected to an SNMP or Telnet system in a number of ways. Some examples include:
Directly connecting the COM port to the SNMP or Telnet device (Figure 2-4). Connecting the COM port to a network device (e.g., a router) (Figure 2-5). Connecting the COM port or the AUX port to an external LAN Adapter for
Ethernet connectivity (Figure 2-6).
Daisy chaining the COM port of one device to the AUX port of the other
(Figure 2-7).
Remotely accessing the DSU/CSU through the Facility Data Link (FDL) or the
synchronous data port’s Embedded Data Link (EDL) (Figure 2-8).
Installation
ETHERNET
PPP/SLIP
Figure 2-4. Direct Connection
ETHERNET
LAN
ROUTER
LAN
ROUTER
DSU/CSU
NETWORK
496-15221
DSU/CSU
NETWORK
PPP/SLIP
496-15222
Figure 2-5. Connection through a Router
March 1999
2-3
Installation
ETHERNET
LAN
ROUTER
LAN
ADAPTER
PPP
Figure 2-6. Connection through a LAN Adapter
PPP
ETHERNET
ROUTER
PPP
LAN
DSU/CSU
NETWORK
496-15223
DSU/CSU
DSU/CSU
NETWORK
DSU/CSU
LAN
ADAPTER
Figure 2-7. LAN Adapter and Daisy Chaining
DSU/CSUDSU/CSU
NETWORK
FDL/EDL
PPP
Figure 2-8. Remote Access through FDL/EDL
PPP
LAN
ROUTER
LAN
ADAPTER
496-15224
ETHERNET
496-15225
2-4
March 1999
Important Instructions
Read and follow all warning notices and instructions marked on the DSU/CSU or included in this guide.
Installation
For a complete listing of the safety instructions, see the
Instructions
Cabling Examples
The DSU/CSU is supplied with an ac power module. Optional cables are described in Appendix D, Figure 2-9 illustrates some cabling examples.
POWER
NEC
CLASS 2
INPUT
COM
PORT
PORT 2
PORT 1
CAUTION:
AUX PORT OR COM PORT MUST NOT BE CONNECTED TO PSTN OR T1 NETWORK
NETWORK
AUX
PORT
COM
section at the beginning of this guide.
NETWORK
EXT. CLOCK
DSX-1
3162
DSU/CSU
NETWORK
3162
DSU/CSU
Important Safety
Pin Assignments
COM
PORT
PORT 2
NEC
CLASS 2
INPUT
PORT 1
CAUTION:
AUX PORT OR COM PORT MUST NOT BE CONNECTED TO PSTN OR T1 NETWORK
POWER
.
NETWORK
AUX
COM
PORT
EXT. CLOCK
DSX-1
NETWORK
POWER
TERMINAL
MANAGER
Figure 2-9. Cabling Examples
POWER
SNMP
OR
OR
TERMINAL
496-15011
March 1999
2-5
Installation
Power-Up Self-Test
After you connect the DSU/CSU to a power source, the unit performs the power-up self-test to ensure that it is in good working order. The DSU/CSU performs this test on itself upon power-up or after a device reset, unless it has been disabled by the Self-Test configuration option (see Appendix C,
Configuration Options
The self-test includes a basic processor test, a limited memory test, a code checksum test, and basic verification tests of the internal components.
Procedure
The power-up self-test consists of the following steps:
1. Once the DSU/CSU is plugged in, the Fail LED blinks ON and Off
).
continuously.
2. All the LEDs then start to flash simultaneously in the pattern twice ON, then
Off.
3. If the self-test is successful, the Fail LED turns Off and the OK LED lights.
If the self-test fails, the Fail LED lights. The DSU/CSU continues to try to operate. If you are in doubt about the results of the self-test, use the System and Test Status screen to display the results of this test (see
Results
in Chapter 4,
Maintenance
).
Self-Test
2-6
March 1999

Operation

Overview
This chapter contains information for operating your DSU/CSU. It includes a description of the front panel LEDs and sample procedures to help you become familiar with the use of the asynchronous terminal for DSU/CSU control.
Front Panel LEDs
There are twelve LEDs on the DSU/CSU front panel. The five LEDs on the right (Figure 3-1) are shared between the DTE Drop/Insert (DSX-1) interface and the data ports. Use the Control branch of the asynchronous terminal menu tree to choose which port’s status the LEDs display (see page 3-7).
Menu Organization
3
on
Figure 3-1. DSU/CSU LEDs
A green LED indicates normal operation. A yellow LED indicates a warning (for the DTE Drop/Insert interface) or activity (for the data ports). Conditions are sampled every tenth of a second.
The twelve front panel LEDs are grouped into four sections to indicate the status of the:
System (Table 3-1) Network Interface (Table 3-2) DTE Drop/Insert (DSX-1) Interface (Table 3-3) Data Ports (Table 3-4)
March 1999
3-1
Operation
Table 3-1. System LEDs
Name Color Meaning
OK Green Indicates the current operational state of the DSU/CSU.
ON: OFF:
BLINKING:
FAIL Yellow Indicates a system failure or a self-test.
ON:
OFF: BLINKING
TEST Yellow A system test is in progress.
ON:
OFF:
The DSU/CSU is operational and has power. The DSU/CSU is performing a power-up self-test
or a system failure has occurred. A software download is in progress.
A device error/fault is detected or a reset has just occurred.
No system failures are detected.
: A self-test is in progress.
A loopback or pattern test has been initiated either locally , by the network, or externally.
No tests are active.
Table 3-2. Network Interface LEDs
Name Color Meaning
SIG Green Monitors the signal being received from the network.
ON:
OFF:
OOF Yellow Monitors Out Of Frame (OOF) conditions on the received network
signal.
ON
: At least one OOF was detected on the signal during the
OFF:
ALRM Y ellow Indicates whether an alarm condition exists on the received network
signal.
ON:
OFF:
EER Yellow Indicates the Excessive Error Rate (EER) has been exceeded on the
network interface.
NOTE: This LED is only valid when ESF framing is being used.
ON:
OFF:
A recoverable signal is being received from the network.
The signal cannot be recovered from the network (a Loss of Signal condition exists).
sampling period. No OOFs were detected on the signal during the
sampling period.
An alarm condition (LOS, LOF, EER, Yellow, AIS) exists on the received network signal. Use the System and Test Status screen to determine the alarm type.
No alarm condition exists on the network interface signal.
The EER has been exceeded on the network interface.
The EER has not been exceeded on the network interface.
3-2
March 1999
Operation
Table 3-3. DTE Drop/Insert (DSX-1) Interface LEDs
Name Color Meaning
SIG Green Monitors the signal being received from the DTE Drop/Insert
(DSX-1) interface.
ON:
OFF:
OOF Yellow Monitors Out Of Frame (OOF) conditions on the received DTE
Drop/Insert (DSX-1) signal.
ON:
OFF:
ALRM Yellow Indicates whether an alarm condition exists on the received DTE
Drop/Insert (DSX-1) signal.
ON:
OFF:
A recoverable signal is being received from the DTE Drop/Insert (DSX-1) interface.
The signal cannot be recovered from the DTE Drop/Insert (DSX-1) interface (a Loss of Signal condition exists).
At least one OOF was detected on the signal during the sampling period.
No OOFs were detected on the signal during the sampling period.
An alarm condition (LOS, LOF, EER, Yellow, AIS) exists on the received DTE Drop/Insert (DSX-1) signal. Use the Device Health and Status command to determine the alarm type.
No alarm condition exists on the DTE Drop/Insert (DSX-1) interface signal.
PDV Yellow Monitors Pulse Density Violations (PDV) on the received DTE
Drop/Insert (DSX-1) signal.
ON
: At least one PDV was detected (and corrected)
OFF:
BPV Yellow Monitors Bipolar Violations (BPV) on the received DTE
Drop/Insert (DSX-1) signal.
ON:
OFF:
on the received DTE Drop/Insert (DSX-1) signal during the sampling period.
No PDVs were detected on the received DTE Drop/Insert (DSX-1) signal during the sampling period.
At least one BPV was detected (and corrected) on the received DTE Drop/Insert (DSX-1) signal during the sampling period.
No BPVs were detected on the received DTE Drop/Insert (DSX-1) signal during the sampling period.
March 1999
3-3
Operation
Table 3-4. Data Port LEDs
Name Color Meaning
DTR Green Monitors the state of interchange circuit CD (CCITT 108/1, /2) –
Data Terminal Ready received from the synchronous data DTE.
ON:
OFF:
TXD Yellow Monitors activity on interchange circuit BA (CCITT 103) –
Transmitted Data. This is the data sent from the synchronous data DTE to the data port on the DSU/CSU.
ON:
OFF:
CYCLING:
RXD Yellow Monitors activity on interchange circuit BB (CCITT 104) –
Received Data. This is data sent to the synchronous data DTE from the data port on the DSU/CSU.
ON:
OFF:
CYCLING:
DTR is being asserted by the synchronous data DTE.
DTR is not being asserted.
Ones are being received from the synchronous data DTE.
Zeros are being received from the synchronous data DTE.
Both ones and zeros are being received from the synchronous data DTE.
Ones are being sent to the synchronous data DTE.
Zeros are being sent to the synchronous data DTE.
Both ones and zeros are being sent to the synchronous data DTE.
CTS Yellow Monitors the state of interchange circuit CB (CCITT 106) –
Clear-to-Send sent to the synchronous data DTE.
ON: OFF:
RTS Yellow Monitors the state of interchange circuit CA (CCITT 105) –
Request-to-Send received from the synchronous data DTE.
ON:
OFF:
CTS is being asserted by the DSU/CSU. CTS is not being asserted.
RTS is being asserted by the synchronous data DTE.
RTS is not being asserted.
3-4
March 1999
Initiating an Asynchronous Terminal Session
You can configure and manage the DSU/CSU from an asynchronous terminal that is configured for 9.6 kbps, 8 characters, no parity, and 1 stop bit.
You can connect the asynchronous terminal directly to the COM port of the DSU/CSU, or you can establish a remote connection using dial-in or Telnet access.
Once the appropriate access is established, the Main Menu screen (Figure 3-2) appears (unless a password is required).
If a password is required, the Login screen displays the prompt for password input. (Refer to
To move between the Screen area and the Screen Function Keys area (Figure 3-2 ), press Ctrl-a (Control key and a).
From the Screen area, you may select the Status, Test, Configuration, or Control branches.
Entering a Password to Gain Access
Operation
on page 3-32.)
Ending an Asynchronous Terminal Session
To end the asynchronous terminal session from any screen, press Ctrl-a to move from the Screen area to the Screen Function Keys area (Figure 3-2), and then select Exit.
main Customer ID: Node A Model: 3162 Slot: xx
MAIN MENU
Status Test
Screen Area
Screen Function Keys Area
–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– Ctrl-a to access these functions E
Configuration Control
xit
Figure 3-2. Main Menu Screen
March 1999
3-5
Operation
Recovering Asynchronous Terminal Operation
If the DSU/CSU is misconfigured, leaving it in a state that does not support asynchronous terminal operation, use the following recovery procedure.
Procedure
1. Power cycle the DSU/CSU, waiting for the completion of the power-up
self-test.
2. Press the asynchronous terminal’s Return key five times in succession.
(Begin pressing the Return key within two seconds after the completion of power-up self-test, and do not wait longer than one second between each successive key press.)
3. The System Paused screen appears. Use it to reset the COM port
configuration options or to reload all factory default configuration options.
3-6
March 1999
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