Lucent Technologies PacketStar PSAX 45N74 User Manual

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PacketStar® PSAX

3-Port DS3/E3 ATM Protection Module User Guide

Model 45N74

for the PacketStar

Issue 1, December 2004 System Software Release 10.0.0

PSAX Multiservice Media Gateways

Doc. No.: 255-700-585

For trademark, regulatory compliance, and related legal information, see the "Legal Notices, Safety, and Regulatory Information" section.

Legal Notices, Safety, and Regulatory

Copyright

Trademarks

Information

This material is protected by the copyright laws of the United States and other countries. It may not be reproduced, distributed, or altered in any fashion by any entity (either internal or external to Lucent Technologies), except in accordance with applicable agreements, contracts or licensing, without the express written consent of the originating organization and the business management owner of the material.

PacketStar, Lucent, Lucent Technologies, and the Lucent Technologies logo are registered trademarks of Lucent Technologies in the USA. Other product and brand names mentioned in this guide are trademarks or registered trademarks of their respective owners.

Notices

The information in this document is for informational use only, is subject to change without notice, and should not be construed as a commitment by Lucent Technologies, Inc. This document is without warranty of any kind, either expressed or implied. Lucent Technologies, Inc. assumes no responsibility for any errors, inaccuracies, or omissions. Neither is any liability assumed for damages resulting from the use of the information or instructions contained herein. Lucent Technologies, Inc. is not responsible for any damage or loss to your data or equipment resulting either directly or indirectly from use of this document.

Warranty Information

Software and Hardware Limited Warranties

Lucent Technologies provides a 90-day limited software warranty, and a oneyear limited hardware warranty on this product. Refer to the Software License

and Limited Warranty Agreement and the Lucent Technologies InterNetworking Systems Global Warranty that accompanied your package for more information.

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Legal Notices, Safety, and Regulatory Information

Safety Warnings and Information

Warranty Warnings

WARNING:

When inserting modules into the chassis, slide them gently, not forcefully. Excessive force may cause the modules to be seated improperly in the chassis, and result in possible damage to the module or the chassis. Install or remove modules one at a time. Doing this aids in preventing the PSAX system from indicating any erroneous failure messages, and allows the PSAX system time to reinitialize and display the accurate configuration of the module that is inserted.

CAUTION:

Modifying or tampering with PSAX chassis components may void your warranty. Any modification to this equipment not expressly authorized by Lucent Technologies may void your granted authority to operate such equipment.

CAUTION:

Shipping the chassis with removable I/O, server, or CPU modules installed may cause damage to the chassis and the modules. Damage to any of the components in the system resulting from shipping the chassis with removable modules installed will void your warranty.

Safety Warnings and Information

When installing and operating the 3-Port DS3/E3 ATM Protection module, follow the safety guidelines provided in the PacketStar Media Gateway Safety Guidelines, which accompanies this product, to help prevent serious personal injury and damage to the module. Please read all warnings and instructions supplied before beginning installation or configuration of this module. In addition to the general safety information provided, you should also refer to the appropriate PSAX installation guide for other important safety information and procedures.

Regulatory Standards Compliance

Safety and Electromagnetic Compatibility (EMC)

The following PacketStar PSAX systems are compliant with applicable safety and EMC standards when configured with the 3-Port DS3/E3 ATM Protection module (model 45N74):

• PSAX 1000 system

• PSAX 4500 system

Refer to the PacketStar PSAX 1000 or PSAX 4500 Multiservice Media Gateway installation guide for details on safety and EMC standards compliance.

PSAX Multiservice

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Legal Notices, Safety, and Regulatory Information

Regulatory Statements

Telecommunications

The 3-Port DS3/E3 ATM Protection module (model 45N74) is compliant with the following applicable telecommunications standard:

ETSI TBR 24:1997 (Europe)

Regulatory Statements

USA Regulatory Statements

FCC Part 68 This equipment complies with Part 68 of the FCC rules. On the back of the

PSAX chassis is a label that contains the FCC registration number, in addition to other information. You must provide this information to the telephone company, if they request it. The FCC requires Lucent Technologies to provide you with the following information:

1. This equipment has digital service interface capabilities using RJ-48C and RJ-48H connectors. The facility interface codes with which this equipment complies for digital services are as follows: 04DU9-BN, 04DU9-DN, 04DU9-1KN, and 04DU9-1SN. This equipment has loop start interface capabilities using an RJ-11C connector. The facility interface code with which this equipment complies for service is 02LS2. The service order codes for this equipment are 6.0F for the T1 interface and 9.0Y for the loop start interface.

2. An FCC-compliant telephone network interface jack is built into this equipment and is compatible with interconnections that are Part 68 compliant.

3. The REN for the 4-Port Voice 2-Wire Office module when used in this equipment is 0.7B.

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

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

6. If you experience trouble with this equipment, or need repairs or warranty information, please refer to the Lucent Technologies InterNetworking Systems Global Warranty that accompanied your PSAX product shipment for instructions on obtaining technical support in your area.

If this equipment is causing harm to the telephone network, the telephone company might request that you disconnect the equipment until the problem is resolved.

7. This equipment has no user-serviceable parts.

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Legal Notices, Safety, and Regulatory Information

Regulatory Statements

This equipment cannot be used on public coin telephone service provided by the telephone company. Connection to party line service is subject to state tariffs. Contact your state public utility commission, public service commission, or corporation commission for information.

Canadian Regulatory Statements

CS-03 Issue 8 NOTICE: This equipment meets applicable Industry Canada Termi-

nal Equipment Technical Specifications. This is confirmed by the registration number. The abbreviation, IC, before the registration number signifies that registration was performed based on a Declaration of Conformity indicating that Industry Canada technical specifications were met. It does not imply that Industry Canada approved the equipment.

The Ringer Equivalence Number (REN) assigned to the 4-Port Voice 2-Wire Office module 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 REN of all devices does not exceed 5.

The REN for the 4-Port Voice 2-Wire Office module when used in the PSAX system is 0.7B.

SH-03 Version 8 AVIS: Le présent matériel est conforme aux spécifications techniques

d’Industrie Canada applicables au matériel terminal. Cette conformité est confirmée par le numéro d’enregistrement. Le sigle, IC, placé devant le numéro d’enregistrement, signifie que l’enregistrement s’est effectué conformément à une déclaration de conformité et indique que les spécifications techniques d’Industrie Canada ont été respectées. Il n’implique pas qu’Industrie Canada a approuvé le matériel.

Le nombre équivalent de sonnerie (REN) attribué au module central bifilaire (Voice 2-Wire Office) correspond au pourcentage de la charge totale à connecter à un circuit téléphonique bifilaire; il est utilisé par l’appareil pour prévenir la surcharge. Le circuit peut être terminé par n’importe quelle combinaison d’appareils, à la seule condition que le total des REN de ces derniers ne dépasse pas cinq.

Lorsqu’il est utilisé dans le système PSAX, le module central bifilaire possède un REN de 0,7 B.

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Legal Notices, Safety, and Regulatory Information . . . . . . . . . . . . . . . . . iii

Copyright . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii

Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii

Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii

Warranty Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii

Software and Hardware Limited Warranties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii

Warranty Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv

Safety Warnings and Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv

Regulatory Standards Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv

Safety and Electromagnetic Compatibility (EMC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv

Telecommunications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v

Regulatory Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v

USA Regulatory Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v

FCC Part 68 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v

Canadian Regulatory Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi

CS-03 Issue 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi

SH-03 Version 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi

iii

iii iii iv

iv iv

v v

Table of Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii

List of Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x

List of Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi

1 Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Purpose of This Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1

Audience for This Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1

What You Should Know . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1

Related Reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2

Lucent Technologies Information Products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2

Product Information Library . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2

Printed Documents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2

Other Publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2

About Lucent Technologies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2

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1-1

.1-1

.1-2

Table of Contents

About the PacketStar PSAX Product Family . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

PSAX 1000 Multiservice Media Gateway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

PSAX 1250 Multiservice Media Gateway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

PSAX 2300 Multiservice Media Gateway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

PSAX 4500 Multiservice Media Gateway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

Text Types Used in This Document . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

Icons and Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

Use of Command Description Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

Use of Field Description Tables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

General Navigational Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7

Selecting Options, Fields, and Commands Using the Console Interface . . . . . . . . . . . 1-7

Help Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8

Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9

Before You Begin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10

Comments on This Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10

2 Module Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1

Overview of the Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Protection Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

1:1 Protection Feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

1:1 Traffic Protection Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

Protection Group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

Working Module Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

Switchover Events. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

Restoration of Service on the Working Module . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

N:1 Protection Feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5

N:1 Traffic Protection Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5

Protection Groups. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5

Working Module Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6

Switchover Events. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6

Restoration of Service on the Working Module . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8

Software Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9

Hardware Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9

Hardware Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10

Performance and Power Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10

Module Placement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11

LED Status Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11

Loopback Configuration Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12

1-2

1-3

1-4

1-5

1-6

1-7

1-8

1-9

1-10

2-1

2-2

2-3

2-4

2-5

2-6

2-8

2-9

2-10

2-11

2-12

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Table of Contents

3 Configuring Ports and Channels Using the Console . . . . . . . . . . . . . . . . . . . 3-1

Overview of This Chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1

Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1

Obtaining General Module Data and Accessing Ports and Channels . . . . . . . . . . . . . . . . .3-1

Accessing the Equipment Configuration Window . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1

Alarm Status Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-6

Configuring the Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-7

Configuring the Ports in DS3 Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-8

Configuring the Ports in E3 Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-20

Viewing Port Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-30

Viewing DS3 Port Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-30

Viewing E3 Port Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-33

Configuring the N to M Protection Feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-36

Configuring N:1 Protection Groups. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-37

Viewing and Changing N:1 Protection Groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-42

Saving the Module Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-48

Provisioning Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-50

A Reference Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1

Overview of This Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1

Avoiding Common Errors When Configuring Interfaces. . . . . . . . . . . . . . . . . . . . . . . . . . A-1

Optimizing SVC Call Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1

Connection Type by Interface Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2

Interface Type by I/O Module Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-3

Module Alarm Status Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-7

ATM Service Categories in the PSAX System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-8

ATM Service Category Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-8

Priority of ATM Service Categories in the PSAX System . . . . . . . . . . . . . . . . . . . . . . . A-8

ATM TS, UPC, and VI Configuration Capabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-9

ATM Traffic Shaping Capability by Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-10

ATM Traffic Shaping Sample CPS Calculation Table . . . . . . . . . . . . . . . . . . . . . . . . . A-12

3-1

.3-1

.3-6

.3-7

.3-8

.3-20

.3-30

.3-33

.3-36

.3-37

.3-42

.3-48

.3-50

A-1

A-2

A-3

A-7

A-8

A-9

A-10

A-12

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List of Figures

1-1 Field Description Table Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-6

1-2 Main Menu Help Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-9

2-1 3-Port DS3/E3 ATM Protection Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1

2-2 1:1 Protection Scheme on the PSAX 1000 System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-4

2-3 N:1 Protection Scheme on the PSAX 4500 System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-8

2-4 Loopback Configuration Options on the Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-13

3-1 Sample Equipment Configuration Window on a PSAX 1000

System (Page 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-2

3-2 Sample Equipment Configuration Window on a PSAX 1250

System (Page 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-3

3-3 Sample Equipment Configuration Window on a PSAX 2300 or

PSAX 4500 System (Page 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-3

3-4 Sample Equipment Configuration Window on a PSAX 1000, PSAX 2300, or

PSAX 4500 System (Page 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-4

3-5 Sample Equipment Configuration Window on a PSAX 1250

System (Page 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-4

3-6 Console Interface Main Menu (Equipment Configuration Selected) . . . . . . . . . . . . . . . . . . . . .3-8

3-7 Equipment Configuration Window (As Displayed on the PSAX 1250, PSAX 2300, and

PSAX 4500 Console) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-9

3-8 Protection 3-Port DS3 ATM Configuration Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-10

3-9 Protection 3-Port DS3 ATM Port and Channel Configuration Window . . . . . . . . . . . . . . . . .3-14

3-10 Console Interface Main Menu (Equipment Configuration Selected) . . . . . . . . . . . . . . . . . . . .3-20

3-11 Equipment Configuration Window (As Displayed on the PSAX 1250, PSAX 2300, and

PSAX 4500 Console) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-21

3-12 Protection 3-Port E3 ATM Configuration Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-22

3-13 Protection 3-Port E3 ATM Port and Channel Configuration Window . . . . . . . . . . . . . . . . . . .3-26

3-14 Protection 3-Port DS3 ATM Statistics Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-31

3-15 Protection 3-Port E3 ATM Statistics Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-34

3-16 N to M Protection Feature Menu Window (N:1 Protection) . . . . . . . . . . . . . . . . . . . . . . . . . .3-37

3-17 N to M Protection Group Table Window (N:1 Protection) . . . . . . . . . . . . . . . . . . . . . . . . . . .3-38

3-18 N to M Protection Group Configuration Window (N:1 Protection) . . . . . . . . . . . . . . . . . . . . .3-39

3-19 N to M Protection Group Configuration Window (1:1 Protection) . . . . . . . . . . . . . . . . . . . . .3-39

3-20 N to M Protection Feature Menu Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-42

3-21 N to M Protection Table Window (N:1 Group) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-43

3-22 N to M Protection Table Window (1:1 Group) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-43

3-23 N to M Protection Configuration Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-46

3-24 Save Configuration [Modified] (Before Saving) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-49

A-1 Combining the UPC Feature and Either the TS or VI Feature on a Connection . . . . . . . . . . . A-10

.1-6

.1-9

.2-1

.2-4

.2-8

.2-13

.3-2

.3-3

.3-4

.3-8

.3-9

.3-10

.3-14

.3-20

.3-21

.3-22

.3-26

.3-31

.3-34

.3-37

.3-38

.3-39

.3-42

.3-43

.3-46

.3-49

A-10

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List of Tables

1-1 Text Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-5

1-2 Command Description Table Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-6

1-3 System Responses to Selecting Options, Fields, or Commands . . . . . . . . . . . . . . . . . . . . . . . .1-7

1-4 Shortcut Keys for Navigating Console Interface Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-8

2-1 Physical Hardware Specifications for the PSAX I/O Module . . . . . . . . . . . . . . . . . . . . . . . . . .2-10

2-2 Performance and Power Specifications for the 3-Port DS3/E3 ATM Protection Module . . . . .2-11

2-3 LED Indicators for the 3-Port DS3/E3 ATM Protection Module . . . . . . . . . . . . . . . . . . . . . . . .2-12

3-1 Equipment Configuration Window Field Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-5

3-2 Module Alarm Status Descriptions on the Equipment Configuration Window . . . . . . . . . . . . .3-7

3-3 Protection 3-Port DS3 ATM Configuration Window Field Descriptions . . . . . . . . . . . . . . . . . .3-11

3-4 Protection 3-Port DS3 ATM Port and Channel Configuration Window Field Descriptions . . . .3-15

3-5 3-Port DS3/E3 ATM Protection Module—DS3 Mode Line Status Alarm Descriptions . . . . . . .3-18

3-6 Protection 3-Port E3 ATM Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-23

3-7 Protection 3-Port E3 ATM Port and Channel Configuration Window Field Descriptions . . . . .3-27

3-8 3-Port DS3/E3 ATM Protection Module—E3 Mode Line Status Alarm Descriptions . . . . . . . .3-29

3-9 3-Port DS3 ATM Port Statistics Window Field Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . .3-32

3-10 Protection 3-Port E3 ATM Statistics Window Field Descriptions . . . . . . . . . . . . . . . . . . . . . . .3-35

3-11 N to M Protection Group Configuration Window Field Descriptions . . . . . . . . . . . . . . . . . . .3-40

3-12 N to M Protection Table Window Field Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-44

3-13 N to M Protection Configuration Window Field Descriptions . . . . . . . . . . . . . . . . . . . . . . . . .3-46

3-14 Messages Generated after the Save Configuration Process . . . . . . . . . . . . . . . . . . . . . . . . . .3-49

A-1 Connection Type by Interface Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2

A-2 Interface Type by I/O Module Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-4

A-3 Module Alarm Status Descriptions on the Equipment Configuration Window . . . . . . . . . . . . A-7

A-4 PSAX System-Supported Quality of Service Categories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-8

A-5 Mapping ATM Service Categories to PSAX System Priority Levels . . . . . . . . . . . . . . . . . . . . . A-9

A-6 ATM Traffic Shaping, UPC Support, and VI Support Configuration Compatibility . . . . . . . . . A-9

A-7 ATM Traffic Management Capabilities by Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-11

A-8 ATM Traffic Shaping CPS Calculation Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-12

.1-5

.1-6

.1-7

.1-8

.2-10

.2-11

.2-12

.3-5

.3-7

.3-11

.3-15

.3-18

.3-23

.3-27

.3-29

.3-32

.3-35

.3-40

.3-44

.3-46

.3-49

A-2

A-4

A-7

A-8

A-9

A-11

A-12

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List of Tables

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Purpose of This Guide

The PacketStar® PSAX 3-Port DS3/E3 ATM Protection Module User Guide provides a description of the 3-Port DS3/E3 ATM Protection module. It also provides information on how to configure the module ports and channels.

1 Getting Started

For information on configuring interfaces and provisioning connections through the PSAX console interface, see the PacketStar visioning Guide. If the Navis

EMS-PSAX Interface and Connection Provisioning Guide.

Navis

Note: If you are using this module for the first time, you should read

through this guide in its entirety before beginning the configuration process. The chapters in this guide are arranged in the logical order of normal configuration and should be performed in that order for the module to operate successfully.

Audience for This Guide

The information in this guide is intended for users who will configure ports and channels for the 3-Port DS3/E3 ATM Protection module in the PSAX Multiservice Media Gateway system.

What You Should Know

Before you use this document or operate a PSAX system, you should already understand and have experience with the following:

• ATM Forum, Frame Relay Forum, and other telecommunications specifica-

tions

• Ethernet network capabilities

• Internet Protocol capabilities

• Data network design

• Telephony network design

EMS-PSAX interface is being used, see the

PSAX Connections Pro-

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Chapter 1 Getting Started

About Lucent Technologies

Lucent Technologies is the communications systems and technology company formed through the restructuring of AT&T. We bring with us a tradition of more than 125 years of experience and a dedication to superior customer service.

Lucent Technologies manufactures, sells, and services a complete line of customer premises communications units, and commercial and multimedia communications and messaging systems designed and supported by our research and development unit, Bell Laboratories.

Our legacy and our spirit of innovation allow Lucent to provide our customers with the tools needed to communicate effectively, any time and anywhere, and to integrate the latest technologies into real-life solutions that help make business work.

About the PacketStar PSAX Product Family

Lucent Technologies provides a complete range of PSAX Multiservice Media Gateways in the PacketStar PSAX family.

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PSAX 1000 Multiservice Media Gateway

The PacketStar PSAX 1000 Multiservice Media Gateway is designed to provide a full range of central office-based multiservice media gateway functions in a small, competitively-priced package suitable for customer premise deployment. Ideal for central office, large enterprise, or wireless cell site multiservice media gateway applications, the PSAX 1000 system provides highly reliable network access for time-division multiplex voice, frame relay, 10/100BASE-T Ethernet, and ATM data applications.

When it is functioning in a redundant operating mode and after it has experienced a single-point failure, the PSAX 1000 system provides up to 630 Mbps of ATM cell bus capacity. The total ATM cell bus capacity of the system may also be scaled to provide nonblocking, nonredundant chassis bandwidths beyond 630 Mbps.

Supporting up to five slots (19–inch chassis) for I/O and server modules—with a full range of interfaces such as DS0A, DS1/E1, DS3/E3, OC-3, OC-3c/STM-1, OC-12c/STM-4c, 10/100BASE-T Ethernet, and serial—the PSAX 1000 system is a cost-effective access switch solution for connecting to legacy equipment.

Chapter 1 Getting Started

About the PacketStar PSAX Product Family

PSAX 1250 Multiservice Media Gateway

The PacketStar PSAX 1250 Multiservice Media Gateway is designed to provide a full range of central office-based multiservice ATM access functions. Ideal for the central office or a large enterprise’s multiservice media gateway, the PSAX 1250 system provides highly reliable network access for time-division multiplex voice, frame relay, 10/100BASE-T Ethernet, and ATM data applications.

When it is functioning in a redundant operating mode and after it has experienced a single-point failure, the PSAX 1250 system provides up to 600 Mbps of ATM cell bus capacity. The total ATM cell bus capacity of the system may also be scaled to provide nonblocking, nonredundant chassis bandwidths beyond 600 Mbps.

Supporting 10 slots (19-inch chassis) or 14 slots (23-inch chassis) for I/O and server modules—with a full range of interfaces such as DS0A, DS1/E1, DS3/E3, OC-3, OC-3c/STM-1, OC-12c/STM-4c, 10/100BASE-T Ethernet, and serial—the PSAX 1250 system is a cost-effective access switch solution for interworking with legacy equipment.

PSAX 2300 Multiservice Media Gateway

The PacketStar PSAX 2300 Multiservice Media Gateway offers carrier-grade, high-density multiservice ATM access functions. Designed as the multiservice media gateway for the central office or for a large enterprise customer, the PSAX 2300 system provides network access for time-division multiplex voice, frame relay, 10/100BASE-T Ethernet, and ATM data applications.

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Chapter 1 Getting Started

About the PacketStar PSAX Product Family

When it is functioning in a redundant operating mode and after it has experienced a single-point failure, the PSAX 2300 system provides up to 1.9 Gbps of ATM cell bus capacity. The total ATM cell bus capacity of the system may also be scaled to provide nonblocking, nonredundant chassis bandwidths beyond 1.9 Gbps.

Supporting 15 slots for I/O and server modules—with provisions for OC-3, OC-3c/STM-1, and OC-12c/STM-4c interfaces with 1:1 protection, 1:1 DS1 module protection switching, and a full range of interfaces such as DS0A, DS1/E1, DS3/E3, 10/100BASE-T Ethernet, and serial—the PSAX 2300 system solves demanding and diverse network design challenges with ease.

PSAX 4500 Multiservice Media Gateway

The PacketStar PSAX 4500 Multiservice Media Gateway provides carrier-class reliability, with an unmatched range of service capabilities, end-to-end traffic prioritization, “any-service, any-channel” flexibility, and breakthrough voice technology. Ideal for the central office or a large enterprise multiservice media gateway, the PSAX 4500 system provides highly reliable network access for time-division multiplex voice, frame relay, 10/100BASE-T Ethernet, and ATM data applications.

When it is functioning in a redundant operating mode and after it has experienced a single-point failure, the PSAX 4500 system provides up to 4.2 Gbps of ATM cell bus capacity. The total ATM cell bus capacity of the system may also be scaled to provide nonblocking, nonredundant chassis bandwidths beyond 4.2 Gbps.

The high-performance midplane design supports 15 interface slots. Module protection for two groups of four or six multiport DS3, STS-1e, or E3 modules is provided via an N:1 protection scheme using rear access line interface modules. The protection module provides backup so that on the failure of any one of the modules in a group, traffic is maintained. A single PSAX 4500 system at the edge of the carrier network can transition traffic from a large number of network customers over high-speed DS1/E1 IMA, DS3/E3, OC-3, OC-3c/STM-4c, and OC-12c/STM-4c trunks into the ATM core, managing the whole quickly and efficiently, down to the individual permanent virtual circuit.

Through the use of the latest DSP voice technology, the PSAX 4500 system supports advanced voice traffic over ATM (VToA) services for up to 6048 DS0 channels. As a multiservice media gateway—with H.248 call control, CAS, PRI, GR-303, and V5.2 protocols, 3-Port DS3/STS-1e, 1-Port OC-3/STM-1 CES, and Tones and Announcements modules—the PSAX 4500 system provides packet solutions for voice over xDSL, trunking, tandem, and PRI offload switching.

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Conventions

Text Types Used in This Document

This guide uses a different typeface to denote text displayed on console interface windows and equipment, as well as data you enter. Table 1-1 shows how each typographical convention is used.

Table 1-1. Text Conventions

Appearance How it is used

SANS SERIF BOLD, ALL CAPS

Fixed-width normal Message text displayed on the user interface window

Serif bold • Button name (GUI interface) or command name

Fixed-width bold System prompts displayed on the user interface window

Serif italics • A variable name or string for which you will substi-

Labels on module panels, chassis faceplates, or other

hardware

(console interface) on the user interface window

• Literal text for values that the user types or selects

from predefined sets of values for fields

• Commands or literal argument values

tute your own information

• An argument or parameter on a command line for

which you will substitute your own information

Chapter 1 Getting Started

Conventions

Icons and Symbols

Refer to the procedures within this guide for important safety information and proper procedures.

Standard icons and symbols to alert you to dangers, warnings, cautions, and notes are described as follows:

DANGER:

Warnings for a personal injury hazard are identified by this format.

WARNING:

Warnings relating to risk of equipment damage or failure are identified by this format.

CAUTION:

Warnings relating to risk of data loss or other general precautionary notes are identified by this format.

Note: Identifies additional information pertinent to the text preceding

this note.

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Chapter 1 Getting Started

Conventions

Use of Command Description Tables

All illustrations for configuration windows in this guide for the PSAX system console interface are followed by a command description table describing the command functions displayed on the window (near the bottom of the window). You should read all the information in the command description table, especially when first using a window, because these descriptions may have special instructions or configuration constraints provided in the Function column by use of the

Table 1-2. Command Description Table Example

Command Function

Bring All Interfaces Into Service

Brings the out-of-service configured interfaces to in-service status.

Note: In GR-303 configuration, it is critical to bring into service

Note: text convention (see Table 1-2).

only those channels actively configured with DS1 ports.

Use of Field Description Tables

For all illustrations for configuration windows in this guide for both the PSAX system console interface and the EMS-PSAX, the field description tables normally follow the command description tables. Field description tables define the editable and the display-only fields, their functions, valid values, and constraints, if applicable. As in the command description tables,

Note: text convention is also used, where appropriate, in the field descrip-

the tion tables to alert the user to special instructions or configuration constraints (see Figure 1-1).

Identifies editable fields or display-only fields on screens

Identifies initial field value default

Describes the function of the field and special instructions for configuring modules

Field Name Field Values Description

Interface Type Default: 0

Range: 0-22 Format: Numeric

Specifies the type of end-to-end connection protocol that governs the transmission parameters for this configured port and channel interface. Note: When certain types of interfaces are selected in this field, other configuration fields are displayed on this window.

Identifies available range for field value when applicable

Figure 1-1. Field Description Table Example

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Identifies field value format as Numeric, Predefined Alphanumeric, Hexadecimal, or Valid Dotted Quad.

Decribes special instructions or configuration constraints

Chapter 1 Getting Started

General Navigational Guidelines

Selecting Options, Fields, and Commands Using the Console Interface

Follow these guidelines to select an option, field, or command on the PSAX console interface windows and to navigate through the windows:

• To select an option, field, or command, do one of the following:

~ Press the Up, Down, Left, or Right Arrow to highlight (reverse video

image) the option name, field name, or command you want to select and press Enter as many times as necessary until the field choice you want is displayed.

~ Use the alternate keys, K=UP, H=LEFT, L=RIGHT to highlight (reverse

video image) the option name, field name, or command you want to select and press Enter. (You can optionally redefine these alternate keys from the User Options window, which is accessible from the Console Interface Main Menu window.)

~ To quickly select a command, you can also simultaneously press Ctrl and

the letter underlined in the command.

Once an option name, field, or command is selected, the system responds as described in Table 1-3.

Table 1-3. System Responses to Selecting Options, Fields, or Commands

For a selected... the following occurs:

option name The window corresponding to the option name is displayed.

field The following variations occur:

• The field entry area is blank or contains the default or previously

entered value. Press Enter to enter or change data in this field. Press Enter again to exit edit mode.

• The field entry area, like the field name, is displayed in reverse video

image and contains a predefined set of values, which you can view or select by pressing Enter to navigate forward through these values. To navigate backward through these field values, press Ctrl+H or the Backspace key.

Read-only fields, which you cannot change, are enclosed in square brackets (example: [LineStatus]).

command The following variations occur:

• A message in the information line indicating an error or successful com-

pletion of the command is displayed.

• The next higher level or previous window (window name) is displayed.

• The next lower level or succeeding window (window name) is displayed.

• To navigate through the Console windows, use the shortcuts listed in

Table 1-4.

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Chapter 1 Getting Started

Help Information

Table 1-4. Shortcut Keys for Navigating Console Interface Windows

If you want to... press...

redisplay the previous window Ctrl+B on the window.

redisplay the Console Interface Main Menu window Ctrl+G on the window.

refresh the window Ctrl+R on the window.

On all the PSAX system windows, each command or menu option has an underlined letter. The control key plus an underlined letter is a shortcut to that command or menu option. You can use the navigation keys and hotkeys with the Caps Lock key on or off. Always observe the status line at the bottom of the window for instructions and information.

Help Information

The Help windows are accessible from any window in the PSAX system console interface. To access the Help windows, press the ? (Question Mark) key on any window. In addition to the Help windows, the Console Interface windows display contextual help in the information line at the bottom of each window. Contextual help provides information about the command or field currently highlighted on that window. The information line also displays error codes and responses to commands. All responses and notifications are recorded in a trap log. See the PacketStar Protocol (SNMP) Trap Reference Guide for details on displaying the trap log and obtaining explanations of the trap messages.

PSAX Simple Network Management

To view the Help windows from the Console Interface Main Menu window, perform the following procedure.

Begin

1 On the window for which help is desired, press the ? (question mark)

key.

The Help window for the current console window is displayed (see Figure 1-2).

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Your site name appears here after initial configuration

Chapter 1 Getting Started

Technical Support

Information Line

Figure 1-2. Main Menu Help Window

2 To display the remaining Help windows for the current console window,

3 To scroll backward through the Help windows for the current console

4 To exit Help and return to the current console window, press the Enter

Technical Support

If you experience a problem with the 3-Port DS3/E3 ATM Protection module, refer to the Lucent Technologies Product Warranty Registration Information, which accompanied your shipment, for instructions on obtaining support in your area.

press the Down Arrow key.

window, press the Up Arrow key.

key.

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Chapter 1 Getting Started

Before You Begin

Before you start configuring and using your new 3-Port DS3/E3 ATM Protection module, be sure you:

• Record your site-specific specifications such as the IP addresses you will

use, and the connections and interfaces you will need. Decide which user names and passwords you will assign.

• Make sure you have IP connectivity to all PSAX devices to be managed

• Determine the numbering scheme for any in-band management connec-

tions you will be using

Comments on This Guide

To comment on the PacketStar® PSAX 3-Port DS3/E3 ATM Protection Module User Guide, please complete the comment card at the following web address: http://www.lucent-info.com/comments/

You can also email your comments to comments@lucent.com.

Include the following information:

Title: PacketStar Release number: Release 10.0.0 Document number: 255-700-585 Issue number: Issue 1 Publication date: December 2004

PSAX 3-Port DS3/E3 ATM Protection Module User Guide

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Overview of the Module

The 3-Port DS3/E3 ATM Protection module (see Figure 2-1) provides 1:1 traffic protection for ATM services when connected to a LIM3–1 module in the PSAX 1000 chassis and N:1 traffic protection for ATM services when connected to a LIM3–4 module in the PSAX 4500 chassis. In addition to its traffic protection capabilities, this module provides the same functionality as the 3-Port DS3/E3 ATM module (model 23N74): ATM service, including ATM UNI 3.0, 3.1, and 4.0; ATM IISP user and network; and ATM PNNI 1.0 interfaces. It is software configurable to function in either the DS3 or the E3 mode, enabling you to deliver DS3 or E3 configurations while maintaining inventory of a single module type. The three high-speed ATM network interfaces operate at DS3, with a line rate of 44.736 Mbps, or at E3, with a line rate of 34.368 Mbps. Each port can be configured for ATM service, including ATM UNI 3.0, 3.1, and 4.0; ATM IISP user and network; and ATM PNNI 1.0 interfaces.

The 3-Port DS3/E3 ATM Protection module has four types of LED indicators: FAIL, ACTIVE, STBY, and LOS (loss of signal). See Figure 2-1 for an illustration of this module.

2 Module Description

FAIL

ACTIVE

DS3/E3

ATM

STBY

LOS 1

LOS 2

LOS 3

Figure 2-1. 3-Port DS3/E3 ATM Protection Module

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Chapter 2 Module Description

Protection Features

The 3-Port DS3/E3 ATM Protection module provides 1:1 protection on the PSAX 1000 and N:1 protection on the PSAX 4500.

1:1 Protection Feature

The following sections describe how all aspects of the 1:1 Protection feature work.

1:1 Traffic Protection Modules

The 1-to-1 (1:1) Protection feature on the PSAX 1000 Multiservice Media Gateway system provides traffic protection by configuring the system to use the 1:1 Traffic Protection modules. These modules do not have external connectors, but receive traffic from and transmit traffic to the network by physical connection at the PSAX 1000 chassis midplane to corresponding 3-Port Line Interface modules (LIM3–1 modules). The 1:1 Traffic Protection modules are installed at the front of the chassis. The LIM3–1 modules, which are installed at the rear of the chassis, receive incoming traffic and transmit outgoing traffic via the attached network cables on the external connectors on the faceplates. The LIM3–1 modules are electrically connected to the protection module for a protection group via the midplane.

Protection Group

Working Module Monitoring

The 1:1 Protection feature supports the configuration of one protection group for the PSAX 1000 system that contains one working module and one protection module of the same type, and one LIM3–1 module for the working module. The working module is installed in slot is installed in slot ing module.

In the 1:1 scheme, one working module in a protection group is associated with one protection module. Under normal conditions, the working module in a protection group is in Active mode, exchanging traffic, and the protection module is in Standby mode.

The 1:1 Traffic Protection modules can also be used in a nonprotected configuration in which one of these modules can be installed in slot sponding LIM3–1 module installed directly behind it.

Traffic is switched from a working module to its associated protection module under the following conditions:

• Working module failure

• Removal of the working module from the chassis

• Manual switchover initiated by the user

• Nonservice affecting upgrades

15. A LIM3–1 module is installed directly behind the work-

4 and the protection module

4 with a corre-

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Chapter 2 Module Description

Protection Features

ing ISC cells from a working module, the protection module sends a message to the CPU indicating the working module failure. A likely cause of this condition is that processing on the working module is interrupted or suspended. Other causes of this condition are the removal of the working module from the chassis or a failure of the module.

During the switchover of traffic from the working module to the protection module, various events occur depending on the reason why the switchover was initiated. These events are described in the following scenarios:

Working module failure or removal

•

The protection module was configured at the time the working module was originally configured. The protection module instructs the LIM3–1 module to transfer traffic from the working module to the protection module, which is now placed into Active mode. No need exists for the CPUn module to download configuration information from the working module. The CPUn module then brings the connections into service on the protection module. In this scenario, the connection downtime is only the amount of time needed for electrical switching on the LIM3–1 module.

Manual switchover initiated by the user

•

The user can manually switch traffic from the working module to the protection module. This action might be taken in preparation for removing the working module from the chassis for maintenance purposes or testing the working module for diagnostic purposes. When the user executes the switchover command, the CPUn module downloads the working module and connection configurations to the protection module, and then instructs the LIM3–1 module to transfer traffic from the working module to the protection module. In this scenario, the connection downtime is only the amount of time needed for electrical switching on the LIM3–1 module.

Figure 2-2 illustrates the data flow in a 1:1 scheme during normal operation, and the data flow while the protection module is in Active mode following the failure of the working module.

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1 2 3

Midplane

LIM3-1

Slot 4

Working

Module

Slot 4

1 2 3

LIM3-1

Slot 4

Normal Data Flow

Protection

Module Slot 15

Standby

Rear Panel

Midplane

Front Panel

Rear Panel

Midplane

Working

Module

Slot 4

Failed Working Module

Figure 2-2. 1:1 Protection Scheme on the PSAX 1000 System

Restoration of Service on the Working Module

After automatic or manual switchover has been performed and the replacement or testing of the working module is completed, the user manually switches the traffic back from the protection module to the working module, which resumes Active mode. The following events occur depending on whether the working module is an existing one having all configurations loaded, or is a new module that replaces a failed working module.

• Existing working module

Protection

Module Slot 15

ACTIVEFAILED

Front Panel

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When the user executes the switchover command, the PSAX system instructs the LIMnn module to switch the traffic from the protection module running in Active mode to the working module. The working module is then placed into Active mode and the protection module is placed into Standby mode.

• Replacement working module

When the user inserts the new replacement module into the chassis, the PSAX system recognizes it as an unconfigured module. The user then executes the switchover command, and the PSAX system downloads the module and connection configurations from the protection module to the new working module. After this download is finished, the system instructs the LIMnn module to switch the traffic from the protection module running in Active mode to the working module. The working module is then placed into Active mode and the protection module is placed into Standby mode.

The connection downtime during this manual switchover in the previous scenarios is only the amount of time needed to switch the LIMnn module.

N:1 Protection Feature

Chapter 2 Module Description

Protection Features

N:1 Traffic Protection Modules

Protection Groups

The following sections describe how all aspects of the N:1 Protection feature work.

The N-to-1 (N:1) Protection feature on the PSAX 4500 Multiservice Media Gateway system provides traffic protection by configuring the system to use the N:1 Traffic Protection modules. These modules do not have external connectors, but receive traffic from and transmit traffic to the network by physical connection at the PSAX 4500 chassis midplane to corresponding 3-Port Line Interface modules (LIM3–4 modules). The N:1 Traffic Protection modules are installed at the front of the chassis. The LIM3–4 modules, which are installed at the rear of the chassis, receive incoming traffic and transmit outgoing traffic via the attached network cables on the external connectors on the faceplates. The LIM3–4 modules are electrically connected to the protection module for a protection group via the midplane.

The N:1 Protection feature supports the configuration of one or two protection groups for the PSAX 4500 system, with each group containing either one-to-six or one-to-four working modules of the same type, one LIM3–4 module for each working module, and one protection module of the same type for each group. The protection groups are set up as follows.

• For group 1, up to six working modules are installed in slots

8, and the protection module is installed in slot 15. A LIM3–4 module

and

3, 4, 5, 6, 7,

is installed directly behind each working module.

• For group 2, up to four working modules are installed in slots

12, and the protection module is installed in slot 13. A LIM3–4 module is

9, 10, 11, and

installed directly behind each working module.

Two types of protection schemes are supported for each protection group: N:1 and 1:1. In the N:1 scheme, one to six working modules are associated with one protection module in group 1, and one to four working modules are

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associated with one protection module in group 2. In the 1:1 scheme, only one working module in a protection group is associated with one protection module. Under normal conditions, the working module in a protection group is in active mode, exchanging traffic, and the protection module is in standby mode.

The N:1 Traffic Protection modules can also be used in a nonprotected configuration in which these modules can be installed in slots each Protection module has a corresponding LIM3–4 module installed directly behind the Protection module that the LIM3–4 module is serving. If any slots in the range of slots designated for group 1 (slots

9–12) are not configured for a protection group, the unused slots can be

(slots used for other types of PSAX I/O or server modules.

Working Module Monitoring

Traffic is switched from a working module to its associated protection module under the following conditions:

• Working module failure

• Removal of the working module from the chassis

• Manual switchover initiated by the user

• Nonservice affecting upgrades

3–12 only as long as

3–8) and group 2

Switchover Events

The protection module monitors the operation of the working module. InterSlot Communication (ISC) cells are exchanged between the working and protection module. If the protection module detects eight consecutive missing ISC cells from a working module, the protection module sends a message to the CPU indicating the working module failure. A likely cause of this condition is that processing on the working module is interrupted or suspended. Other causes of this condition are the removal of the working module from the chassis or a failure of the module.

Working module failure or removal

•

After the protection module detects the failure or removal of the working module, automatic switchover occurs. The protection module notifies the CPUn module that the working module has failed or been removed. After this notification, the following sequence of events occurs depending on which type of protection scheme is being used:

In the 1:1 scheme, the protection module was configured at the time the

working module was originally configured. The protection module instructs the LIM3–4 module to transfer traffic from the working module to the protection module, which is now placed into Active mode. No need exists for the CPUn module to download configuration information from the working module. The CPUn module then brings the connections into service on the protection module. In this scenario, the connection downtime is only the amount of time needed for electrical switching on the LIM3–4 module.

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~ In the N:1 scheme, the protection module instructs the LIM3–4 module

to transfer traffic from the working module to the protection module, which is now placed into Active mode. The CPUn module then downloads the module and connection configurations from the working module to the protection module, and restores traffic flow. In this scenario, connection downtime is slightly longer than that for the 1:1 scheme because the module and connection configurations must be downloaded to the protection module.

Manual switchover initiated by the user

•

The user can manually switch traffic from the working module to the protection module. This action might be taken in preparation for removing the working module from the chassis for maintenance purposes or testing the working module for diagnostic purposes. When the user executes the switchover command, the CPUn module downloads the working module and connection configurations to the protection module, and then instructs the LIM3–4 module to transfer traffic from the working module to the protection module. In this scenario, the connection downtime is only the amount of time needed for electrical switching on the LIM3–4 module.

Figure 2-2 illustrates the data flow in an N:1 scheme during normal operation, and the data flow while the protection modules are in Active mode following the failure of a working module in groups 1 and 2.

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1 2 3

1 2 3 1 2 3

1 2 3

Midplane

LIM3-4

Slot 3

Working

Module

Slot 3

1 2 3

LIM3-4

Slot 3

Group 1

LIM3-4

Slot 8

Working

Module

Slot 8

LIM3-4

Slot 9

Working

Module

Slot 9

Normal Data Flow

1 2 3 1 2 3 1 2 3

LIM3-4

Slot 8

LIM3-4

Slot 9

Group 2

LIM3-4 Slot 12

Working

Module Slot 12

LIM3-4 Slot 12

Protection

Module Slot 13

Protection Module for Group 2

Standby

Protection

Module Slot 15

Protection Module for Group 1

Rear Panel

Midplane

Front Panel

Rear Panel

Midplane

Working

Module

Slot 3

Slot 8

FAILED FAILED

Group 1

Working

Module

Slot 9

Group 2

Failed Working Modules

Figure 2-3. N:1 Protection Scheme on the PSAX 4500 System

Restoration of Service on the Working Module

• Existing working module

Slot 12

Protection

Module

Slot 13

Protection Module for Group 2

ACTIVE

Protection

Module

Slot 15

Protection Module for Group 1

Front Panel

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• Replacement working module

The connection downtime during this manual switchover in the previous scenarios is only the amount of time needed to switch the LIMnn module.

Software Features

Chapter 2 Module Description

Software Features

The 3-Port DS3/E3 ATM Protection module implements ATM Forum specifications UNI 3.0, 3.1,and 4.0, and PNNI 1.0, which allow the DS3 or E3 ports to function as a user-network interface (UNI), an IISP user or IISP network interface, or as a PNNI network interface to an ATM network. This module also supports the virtual interface traffic shaping protocol.

Hardware Features

The 3-Port DS3/E3 ATM Protection module has the following hardware features:

• Number of ports: 3

• Connector type: No external connectors; 6 BNC connectors, 1 receive con-

nector and 1 transmit connector for each port, are located on the LIM3–1 module on the rear of the PSAX 1000 chassis or the LIM3–4 module on the rear of the PSAX 4500 chassis

• Line rate:

~ DS3: 44.736 Mbps ~ E3: 34.368 Mbps

• Line encoding mode:

~ DS3: B3ZS ~ E3: HDB3

• Line buildout: DS3 only

~ Short [0–40.5 m (0–133 ft)] ~ Long [0–81.1 m (0–266 ft)]

• Framing modes:

~ DS3: C-bit parity, clear channel, M23

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~ E3: G751, G832

• Loopback capabilities: local loopback, line loopback, payload loopback

• Cell mapping: ~ DS3: PLCP, direct mapping ~ E3: direct mapping

Hardware Specifications

Table 2-1 provides the general physical hardware and environmental specifications for the PSAX I/O module.

Table 2-1. Physical Hardware Specifications for the PSAX I/O Module

Specification Description

Dimensions 17.3 cm H x 2.41 cm W x 24.1 cm D

Weight 0.45 kg (1.0 lb.), approximate

Operating temperature range for all the PSAX 1250, PSAX 2300, and PSAX 4500 systems

Operating temperature range for the PSAX 1000 systems

(6.8 in. H x 0.95 in. W x 9.5 in. D)

0° to 50° C (32° to 122° F)

For AC-powered PSAX 1000 systems:

0° to 50° C (32° to 122° F)

For DC-powered PSAX 1000 systems:

-20° to 60° C (-4° to 140° F) with a cold start minimum of 0° C (32° F)

Operating humidity range for all chassis 5% to 85% relative humidity

Operating altitude range for all chassis 60 meters (197 feet) below sea level to 4,000 meters

(13,123 feet) above sea level

Storage temperature range for all chassis

Storage humidity range for all chassis 0% to 90% noncondensing

-40° to 70° C (-40° to 158° F)

Performance and Power Specifications

Table 2-2 provides the chassis speed, power consumption, and memory allocation specifications for this module.

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Table 2-2. Performance and Power Specifications for the 3-Port DS3/E3 ATM Protection Module

To ta l

Module

45N74 3-Port

Amount of

SDRAM

72MB 8MB 32MB 32MB

DS3/E3 ATM Protection

The I/O buffers carry 16,384 cells per megabyte.

†

Indicates the size of the output buffer followed by the maximum number of 64-byte cells in the output buffer.

Module

Program and

Data Space

Maximum

Input

Buffer

Output

†

Buffer

(524,288)

Chassis

Speed

High

Speed

Module Placement

The 3-Port DS3/E3 ATM Protection module can be installed in either the PSAX 1000 chassis or the PSAX 4500 chassis. In the PSAX 1000 chassis, this module is installed in slot tion module. The working module must be physically connected at the chassis midplane to a LIM3–1 module at a corresponding slot in the rear of the chassis. See the PSAX 1000 3-Port Line Interface Module Description and Specifica- tions document for LIM3–1 module installation instructions.

The 3-Port DS3/E3 ATM Protection module is installed in either of two groups in the PSAX 4500 chassis: group 1, in slots and slot module and slot

15 as a protection module; or group 2, in slots 9–12 as a working

13 as a protection module. Each group must contain a mini-

mum of one working module and one protection module. Each working module must be physically connected at the chassis midplane to a LIM3–4 module at a corresponding slot in the rear of the chassis. The 1:1 Protection feature of this module functions only in this configuration. See the PSAX 4500 3-Port Line Interface Module Description and Specifications document for LIM3–4 module installation instructions.

4 as a working module and in slot 15 as a protec-

3–8 as a working module

Maximum

Power

Consumption

12 W

LED Status Indicators

Table 2-3 describes how the light-emitting diode (LED) indicators on the 3-Port DS3/E3 ATM Protection module faceplate respond to different module conditions. These LEDs indicate if the module has been installed properly.

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Loopback Configuration Options

Table 2-3. LED Indicators for the 3-Port DS3/E3 ATM Protection Module

Module

Status

LED

FAIL (red)

ACTIVE (green)

STBY (green)

LOS 1 (yellow) LOS 2 (yellow) LOS 3 (yellow)

†

One or

Configured

Ports

when the

No Cable on

Port

Cable on

N/A N/A

Port

Initial

Power-On

Lights briefly

Configured

Ports

Not lit Lights only

module is not functioning

Lights briefly

Not lit Lights only

N/A N/A when the module is actively exchanging traffic

Lights briefly

Not lit Lights only

when the-

N/A N/A

module is passive and on standby

Lights briefly

N/A N/A Lights • Does not

†

light if signal is being received

• Lights if signal is missing

After power is initially applied to the system and the system boot is complete, the FAIL LED indicates whether the module hardware has failed (red), the ACTIVE LED indicates whether the module has one or more ports configured (green), and the STBY LED indicates whether the module is in STANDBY mode (yellow). After power is initially applied to the system and the system boot is complete, this loss of signal LED indicates whether the port has a cable connected to its corresponding LIM3–4 module. This description applies only to modules in ACTIVE mode.

Loopback Configuration Options

To aid network troubleshooting and testing, loopback capability is provided for the 3-Port DS3/E3 ATM Protection module.

The loopback option on the module port and channel configuration window for the module enables you to verify the integrity of a port by transmitting a received signal back to the source. Selecting a loopback option is described in the module configuration procedure.

Figure 2-4 illustrates the line loop, payload loop, and local loop options.

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Por t

Connector

Line Loop

Line Driver

Signal

Receiver

Port Connector

Backplane Connector

Payload Loop

Local Loop

Line Driver

Receiver

Backplane Connector

Figure 2-4. Loopback Configuration Options on the Module

Framing Chip

Backplane Connector

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3 Configuring Ports and Channels

Overview of This Chapter

This chapter describes how to use the console interface to perform the following tasks on the 3-Port DS3/E3 ATM Protection module:

• “Obtaining General Module Data and Accessing Ports and Channels”

• “Configuring the Ports in DS3 Mode”

• “Configuring the Ports in E3 Mode”

• “Viewing Port Statistics”

• “Configuring N:1 Protection Groups”

• “Viewing and Changing N:1 Protection Groups”

• “Saving the Module Configuration”

Before You Begin

Be sure to complete the following tasks first before configuring the 3-Port DS3/E3 ATM Protection module:

• Configure your basic system (see “Configuring the System for Your Site” in

the PacketStar

• Configure the Stratum 3–4 module (see “Configuring the Stratum 3–4

Module” in the PacketStar

PSAX Multiservice Media Gateway User Guide).

Using the Console

PSAX Multiservice Media Gateway User Guide).

When configuring the 3-Port DS3/E3 ATM Protection module using the console interface, display-only fields are displayed in square brackets ([ ]).

Obtaining General Module Data and Accessing Ports and Channels

This section describes how to obtain product, model, version, and serial number data about a module from the Equipment Configuration window. In addition, the window provides operational status and alarm conditions on each installed module. You also use this window to access the port and channel configuration windows for the PSAX modules.

Accessing the Equipment Configuration Window

Perform the following procedure to access the Equipment Configuration window.

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Begin

1 On the Console Interface Main Menu window, select the Equipment

Configuration option.

The Equipment Configuration window is displayed (see Figure 3-1 through Figure 3-5).

2 View the operational and alarm status, software version, PEC, and serial

number data of the installed modules.

3 When you are ready to begin configuring the ports and channels of the

module, select the line displaying the name of the module you want to configure.

4 Proceed to the section, “Configuring the Ports,” for module configuration

procedures.

Note: The sample Equipment Configuration windows in the following

figures may not show the actual module you are configuring. These figures illustrate the variations of slot configurations for the different PSAX chassis displayed on the Equipment Configuration window.

End

Figure 3-1. Sample Equipment Configuration Window on a PSAX 1000

System (Page 1)

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Figure 3-2. Sample Equipment Configuration Window on a PSAX 1250

System (Page 1)

Figure 3-3. Sample Equipment Configuration Window on a PSAX 2300 or

PSAX 4500 System (Page 1)

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Figure 3-4. Sample Equipment Configuration Window on a PSAX 1000,

PSAX 2300, or PSAX 4500 System (Page 2)

Figure 3-5. Sample Equipment Configuration Window on a PSAX 1250

System (Page 2)

Commands The commands in this window have the following functions.

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Command Function

Update Display Refreshes the current status of the modules in the PSAX chassis.

Page Down Displays the second page of the Equipment Configuration win-

dow. This command toggles with Page Up.

Page Up Displays the first page of the Equipment Configuration window.

This command toggles with Page Down.

Interface by Name Displays the Interface Name Table window on which you can

view all the interface names in the PSAX system.

Go Back to Main Menu Redisplays the Console Interface Main Menu window.

Field Description The display-only fields on this window are described in Table 3-1.

Table 3-1. Equipment Configuration Window Field Descriptions

Field Name Field Value Description

Slot Default: N/A

Displays the slot number in the PSAX chassis.

Range: 1–25, depends on chassis type

Format: Numeric

Module Type Default: N/A

Range: N/A Format: Predefined

Displays the type of the module in the slot. When a module is inserted into the chassis, its name is displayed in the Module Type field next to the slot number. When the module is removed from the chassis, its name is no longer displayed in the Module Type field and is replaced with None.

Status Default: Unknown

Displays the operational status of the module. Range: N/A Format: Predefined

Unknown Indicates that the module has not been configured.

Primary Indicates one of the following:

• at least one port or channel on an I/O module has

been configured.

• a CPU module is functioning as the primary CPU

module.

Standby Indicates one of the following:

• a module in redundant systems is operating as the

standby (backup) module to the primary (active) module.

• a CPU module in redundant systems is functioning

as the standby (backup) CPU module.

Alarm Status Default: No Alarm

Range: N/A Format: Predefined

Displays the present alarm condition of the module.

For the alarm status conditions, see the table “Alarm

Status Descriptions for Modules” following this table.

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Table 3-1. Equipment Configuration Window Field Descriptions (Continued)

Field Name Field Value Description

SW # Default: N/A

Range: N/A Format: Predefined

Displays the version of PSAX system software with which the modules’ firmware was released. The software version is encoded in the module firmware. Because not all modules require firmware upgrades with every new PSAX system software release, the software version that is displayed in this window may be lower than the CPU system software that is currently running on the PSAX system. See the most recent Release Note document for the latest software and firmware lineup information.

PEC Default: N/A

Range: N/A Format: Predefined

Serial # Default: N/A

Range: N/A Format: Predefined

Displays the product element code (PEC) used to identify and order this type of module. The PEC is encoded in the module bootloader.

Displays the unique serial number of the individual module. The product serial number is encoded in the module firmware. The format of this field is the following:

PSAX System Rel. 6.5.0 and later: 12-digit number in the format: YYVVDDnnnnnn, where YY = year of manufacture VV = vendor ID code (manufacturer and location) DD = date code of manufacture (either month or week depending on vendor’s preference) nnnnnn = sequential number, which in conjunction with YY, VV, and DD, creates a unique number for each hardware component in the PSAX product line

For existing products with the 10-digit serial number used in Rel. 6.5.0 or later systems, this number is displayed with two preceding zeros.

PSAX Rel. 6.3.0 and earlier: 10-digit number. For products with 12-digit serial numbers used in Rel 6.3.0 or earlier systems, the first two digits (YY) are not displayed.

Alarm Status Values

The Alarm Status field on the Equipment Configuration window is described in Table 3-2.

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Table 3-2. Module Alarm Status Descriptions on the Equipment Configuration Window

Configuring the Ports

Alarm Status

Module Type

Affected

Description

NoAlarm I/O and Server Indicates that no alarms have been detected for the module

in this slot.

WrongCardType I/O and Server Indicates that one type of module was configured in this

slot in the chassis, but a now different module occupies this slot.

LineFailed All Indicates that the module in this slot is no longer receiving

or transmitting signals because the line failed.

Hexadecimal format, Example: 12345678ABC

I/O and Server Indicates that one or more ports on the module in this slot

currently have a loss of signal. The numbers indicate which ports have a loss of signal. For modules that have more than eight ports not receiving signals, the value in this field is in hexadecimal format.

CardRemoved All Indicates that one of the following events occurred:

• The module in this slot was configured and then

removed from the slot.

• Connections on the OC-3, OC-12, STM-1, or STM-4

APS/MSP primary module in this slot were transferred to the standby module. After the transfer occurs, the former primary module then displays CardRemoved in the Alarm Status field; the former standby module then displays Primary in the Status field.

ReferenceClockFailed Stratum 3–4 Indicates that the timing reference clock on the Stratum

module in this slot failed.

CompositeClockFailed Stratum 3–4 Indicates that the timing composite clock on the Stratum

module in this slot failed.

Overload Power Supply Indicates that the Power Supply module is operating under

an overload condition.

PowerFailed Power Supply Indicates that the power has failed.

Minus48vFailed Power Supply Indicates that the -48 V dc Power Supply module output

failed.

UnknownAlarm I/O and Server Indicates that the reason for failure is not known.

CompleteClockFailed Stratum 3–4 Indicates that the backplane detected a clock error.

PowerFailed Power Supply Indicates that no power is coming into the PSAX chassis.

Configuring the Ports

You must first configure the 3-Port DS3/E3 ATM Protection module before you can set up connection provisioning. You can configure the module to run in DS3 mode (see the next section, “Configuring the Ports in DS3 Mode”) or E3 mode (see the section ”Configuring the Ports in E3 Mode” on page 3-20).

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Configuring the Ports

Configuring the Ports in DS3 Mode

To configure the module in DS3 mode, perform the following procedure.

Configuring the Ports (DS3 Mode)

Begin

1 On the Console Interface Main Menu window (see Figure 3-6), select the

Equipment Configuration option.

Figure 3-6. Console Interface Main Menu (Equipment Configuration Selected)

The Equipment Configuration window (see Figure 3-7) is displayed.

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Configuring the Ports

Figure 3-7. Equipment Configuration Window (As Displayed on the PSAX 1250,

PSAX 2300, and PSAX 4500 Console)

2 On the Equipment Configuration window, select a DS3E3-ATM-3P-

module in the list.

Note: The descriptions of the module alarm status values in the Alarm

Status field are provided in the reference appendix.

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The Protection 3-Port DS3 ATM Configuration window (see Figure 3-8) is displayed.

Figure 3-8. Protection 3-Port DS3 ATM Configuration Window

Commands The commands in this window have the following functions:

Command Function

Apply Operating Mode Change

Changes the signaling mode in which the module will operate. After selecting the value DS3 in the Operating Mode field, select this command to apply the change. The module reboots and the window reflects your selection.

Note: All interfaces must be unconfigured, out of service, and deleted before using this command.

Update Display Updates the values in the fields to show the most current

configuration. Use this command to display the most current information in the Line Status field.

Delete All Interfaces Deletes the configured interfaces for the three ports. You

must take all interfaces out of service (using the Tak e A l l Interfaces Out Of Service command) before you can use this command to delete all the configured interfaces.

Bring All Interfaces Into Service

Take All Interfaces Out Of Service

Brings the out-of-service configured interfaces for the three ports to in-service status.

Takes the in-service configured interfaces for the three ports to out-of-service status. You must use this command first before using the Delete All Interfaces command.

Go Back to Equipment

Redisplays the Equipment Configuration window.

Configuration

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3 If DS3 is not the value displayed in the Operating Mode field, select the

value DS3 to place the module into DS3 mode.

4 Select the Apply Operating Mode Change command.

Field Descriptions The read-only fields in this window are described in Table 3-3.

Table 3-3. Protection 3-Port DS3 ATM Configuration Window Field Descriptions

Field Name Field Value Description

Slot: Default: N/A

Range: 1–15

Specifies the PSAX 4500 chassis slot that the selected module occupies.

Format: Numeric

Port Default: N/A

Displays the physical port on the module. Range: 1–3 Format: Numeric

Interface Type Default: Unconfig-

ured

Range: N/A

Displays the type of end-to-end connection pro-

tocol that governs the transmission parameters of

this configured port and channel interface.

Format: Predefined

Unconfigured Indicates that this interface is not configured

AtmUni3-0 Indicates that this interface is configured for the

ATM UNI 3.0 interface.

AtmUni3-1 Indicates that this interface is configured for the

ATM UNI 3.1 interface.

AtmUni4-0 Indicates that this interface is configured for the

ATM UNI 4.0 interface.

AtmPnni1_0 Indicates that this interface is configured for the

ATM PNNI 1.0 interface.

IispUser Indicates that this interface is configured for the

ATM IISP user interface.

IispNetwork Indicates that this interface is configured for the

ATM IISP network interface.

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Table 3-3. Protection 3-Port DS3 ATM Configuration Window Field Descriptions (Continued)

Field Name Field Value Description

Admin Status Default: Unconfig-

Displays the administrative status of the port.

ured

Range: N/A Format: Predefined

Unconfigured Indicates that the interface for the port is not con-

figured.

OutOfService Indicates that the interface has not yet been

brought into service, or in-service interface has been set to out of service with the Tak e Inter- face Out of Service command.Indicates that the interface has not yet been brought into service, or in-service interface has been set to out of service with the Take Out of Service button.

InService Indicates that the interface has been brought into

service with the Bring Interface Into Service command.Indicates that the interface has been brought into service with the Bring Into Service button.

Oper Status Default: Unconfig-

ured

Displays the operational status of the port and

whether the port is exchanging a valid signal. Range: N/A Format: Predefined

Unconfigured Indicates that this channel is not operational

because the interface is not configured.

OutOfService Indicates that a loss-of-signal condition exists due

to any one of the following problems:

• The module port is not physically connected to

a cable.

• The cable is not connected at the other end to a

device.

• The cable is broken.

A loss of frame or encoding is due to a problem

with the framing or encoding of the signal. For

example, a repeater could corrupt the signal.

InService Indicates that the port is physically connected to

a cable; the cable is conducting the signal; and the

signal is being transmitted and received correctly.

Line Status Default: No Alarm

Range: N/A Format: Predefined

Displays the alarm status of the physical port. The

most current information is displayed when a

trap message is received or when the Update

Display command is selected.

Note: This field displays No Alarm when no

interfaces are configured. See the DS3 line status

table below.

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Table 3-3. Protection 3-Port DS3 ATM Configuration Window Field Descriptions (Continued)

Field Name Field Value Description

[Protection Type] Default: None

Range: N/A

Displays the type of protection for this module as determined by slot position or switchover status.

Format: Predefined

None Indicates that this module is not operating in a

protection mode, neither providing protection to, nor being protected by, another module.

NtoMWorking Indicates that this module is operating as a work-

ing module in a protection mode.

NtoMProtection Indicates that this module is operating as a pro-

tection module in a protection mode.

[LimStatus] Default: UnSupp

Range: N/A

Displays whether this module is supported by a LIM3–4 module in a protection mode.

Format: Predefined

UnSupp Indicates that this module is not supported by a

LIM3–4 module in a protection mode.

Supported Indicates that this module is supported by a

LIM3–4 module in a protection mode.

Failed Indicates that the LIM3–4 module has failed.

Operating Mode Default: N/A

Range: N/A Format: Predefined

Specifies the operating mode of the module. To change from one mode to another, select this field and press Enter to display the apprpriate mode. Use the Apply Operating Mode Change command to load the displayed operating mode. After applying the command, approximately 25 seconds elapse until the PSAX system recognizes the change in operating mode. After the change, it may be necessary to refresh and display the appropriate wording on the window by toggling between this window, the previous window, and back to this window again.

Note: All interfaces must be out of service, deleted, and unconfigured before changing the operating mode.

DS3 Indicates that the module is operating in DS3

mode.

E3 Indicates that the module is operating in E3

mode.

5 Select one of the lines with the port you want to configure.

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The Protection 3-Port DS3 ATM Port and Channel Configuration window (see Figure 3-9) is displayed.

Figure 3-9. Protection 3-Port DS3 ATM Port and Channel Configuration Window

Commands The commands in this window have the following functions.

Command Function

Apply Port and Channel Configuration

For a specified port number value, applies the configuration field values you set.

Reset Port and Channel Display Resets the fields to the last set of saved values.

Bring Interface Into Service Brings an out-of-service configured interface to in-service

status. The value InService is displayed in the [Oper Status] field. This command is displayed only when the [Admin Status] field is OutOfService.

Take Interface Out of Service Takes an in-service configured interface to out-of-service

status. The value OutOfService is displayed in the [Oper Status] field. This command is displayed only when the [Admin Status] field is InService.

Configure Interface Displays the interface configuration window for the

selected interface type.

View Port Statistics Displays the Protection 3-Port DS3 ATM Statistics window.

Go Back to Card Configuration Redisplays the Protection 3-Port DS3 ATM Configuration

window.

Field Descriptions 6 Enter the values in the fields on this window according to the informa-

tion provided in Table 3-4.

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Table 3-4. Protection 3-Port DS3 ATM Port and Channel Configuration Window Field Descriptions

Field Name Field Value Description

Port Configuration Panel

Line Type Default: CbitParity

Range: N/A

Specifies the framing mode to be used on the line coming into this port.

Format: Predefined

CbitParity Indicates a framing configuration that uses an

M-bit and F-bit to convey a block error and a P-bit to convey parity errors between two nodes.

M23 Indicates a framing configuration in the M23 for-

mat in which channels are assigned sequentially.

Loopback Default: NoLoop

Range: N/A Format: Predefined

Specifies whether the port is to be used for loopback testing, and, if so, the type of loopback to be performed.

NoLoop Indicates that the port will not be used for loop-

back.

LocalLoop Indicates that local loopback will be used on this

port. The transmitted signal is sent to the receive side of the same port.

LineLoop Indicates that line loop will be used on this port.

The received signal will be sent through the receiver and the line driver, and then back out to the originating point.

PayloadLoop Indicates that payload loop will be used on this

port. The received signal is sent through the framing chip on the module, but not the SAR circuitry, and then back out to the originating point. The data link is regenerated

Transmit Clock Default: LocalTim-

ing

Range: N/A Format: Predefined

Indicates what type of synchronization is used by the interface to maintain proper data flow through the PSAX system and the remote devices connected to the system.

LocalTiming Selects a synchronization source (Composite-

Clock, T1BITS, E1ETSI, CompositeClockDS0A, Freerun, or LineTiming) that is provided through the Stratum 3–4 module.

LoopTiming Selects the recovered clock from the received

data and is used as the transmit clock on the selected interface.

Line Build Out Default: Short

Specifies the selectable output attenuation. Range: N/A Format: Predefined

Short Indicates that the cable from the DS3 port is less

than 225 feet away from the next node.

Long Indicates that the cable from the DS3 port is more

than 225 feet away from the next node.

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Table 3-4. Protection 3-Port DS3 ATM Port and Channel Configuration Window Field Descriptions

Field Name Field Value Description

Payload Scramble Default: Enabled

Range: N/A Format: Predefined

Specifies the presence or absence of cell payload scrambling. This function improves the security and robustness of the ATM cell payload as part of forward error correction described in ITU I.432.1.

Enabled Indicates that the payload scrambling function is

operating.

Disabled Indicates that the payload scrambling function is

not operating.

Cell Mapping Default: Plcp

Range: N/A

Specifies the type of cell mapping used on the port.

Format: Predefined

Plcp Indicates that the port uses a physical layer con-

vergence protocol (PLCP) cell mapping for bidirectional transmission

DirectMapping Indicates that the port uses ATM direct-cell map-

ping for bidirectional transmission.

[Line Coding] Default: B3zs

Range: N/A Format: Predefined

Displays the type of line coding to be used on this port. The data format lets either end of the communications channel correctly interpret messages from the other. This type of line coding indicates that the encoding/decoding pattern uses bipolar three-zero substitution to detect line code violations.

[Line Status] Default: NoAlarm

Range: N/A Format: Predefined

Displays the current line status of the port. Note: This field displays No Alarm when no

interfaces are configured. See the DS3 line status table below the field description table for the Protection 3-Port DS3 ATM Configuration window.

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Table 3-4. Protection 3-Port DS3 ATM Port and Channel Configuration Window Field Descriptions

Field Name Field Value Description

Channel Configuration Panel

Interface Type Default: Unconfig-

ured

Range: N/A

Specifies the type of end-to-end connection pro-

tocol that governs the transmission parameters of

this configured port and channel interface.

Format: Predefined

Unconfigured Indicates that this interface is not configured

AtmUni3-0 Indicates that this interface is configured for the

ATM UNI 3.0 interface.

AtmUni3-1 Indicates that this interface is configured for the

ATM UNI 3.1 interface.

AtmUni4-0 Indicates that this interface is configured for the

ATM UNI 4.0 interface.

AtmPnni1_0 Indicates that this interface is configured for the

ATM PNNI 1.0 interface.

IispUser Indicates that this interface is configured for the

ATM IISP user interface.

IispNetwork Indicates that this interface is configured for the

ATM IISP network interface.

[Admin Status] Default: Unconfig-

Displays the administrative status of the port.

ured

Range: N/A Format: Predefined

Unconfigured Indicates that the interface for the port is not con-

figured.

OutOfService Indicates that the interface has not yet been

brought into service, or in-service interface has

been set to out of service with the Tak e Inter-

face Out of Service command.Indicates that the

interface has not yet been brought into service, or

in-service interface has been set to out of service

with the Take Out of Service button.

InService Indicates that the interface has been brought into

service with the Bring Interface Into Service

command.Indicates that the interface has been

brought into service with the Bring Into Service

button.

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Table 3-4. Protection 3-Port DS3 ATM Port and Channel Configuration Window Field Descriptions

Field Name Field Value Description

[Oper Status] Default: Unconfig-

ured

Displays the operational status of the port and

whether the port is exchanging a valid signal. Range: N/A Format: Predefined

Unconfigured Indicates that this channel is not operational

because the interface is not configured.

OutOfService Indicates that a loss-of-signal condition exists due

to any one of the following problems:

• The module port is not physically connected to

a cable.

• The cable is not connected at the other end to a

device.

• The cable is broken.

A loss of frame or encoding is due to a problem

with the framing or encoding of the signal. For

example, a repeater could corrupt the signal.

InService Indicates that the port is physically connected to

a cable; the cable is conducting the signal; and the

signal is being transmitted and received correctly.

Table 3-5 provides the line status alarm descriptions for the DS3 mode on the 3-Port DS3/E3 ATM Protection module. This alarm is displayed in the Line Status field on the Protection 3-Port DS3 ATM Configuration and the Protection 3-Port DS3 ATM Port and Channel Configuration windows.

Table 3-5. 3-Port DS3/E3 ATM Protection Module—DS3 Mode Line Status Alarm Descriptions

Alarm Description

NoAlarm No alarm present.

RcvRAIFailure Receiving yellow/remote alarm indication

XmitRAIAlarm Transmitting yellow/remote alarm indication

RcvAIS The PSAX system detected an AIS error on its receiving port.

XmitAIS Transmitting AIS failure state

LOF Receiving LOF failure state. If the Cell Mapping field on the

DS3 Port and Channel Configuration window for this port is set to DirectMapping, this line status indicates an error condition on the DS3 framing. If the Cell Mapping field on the DS3 Port and Channel Configuration window for this port is set to Plcp, this line status indicates an error condition on either the DS3 framing or the Plcp framing.

LOS Receiving LOS failure state

LoopbackState Looping the received signal

RcvTestCode Receiving a test pattern

OtherFailure Any other line status not shown in this table

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Table 3-5. 3-Port DS3/E3 ATM Protection Module—DS3 Mode Line Status Alarm Descriptions

Alarm Description

RcvRmtAIS Receiving FEAC AIS code from remote. The far-end device

has sent an FEAC AIS code to the PSAX system to indicate that the far-end device has detected an AIS condition on its receiving port. (FEAC codes will be supported in a future release.)

RcvRmtOOF Receiving FEAC OOF code from remote. The far-end device

has sent an FEAC OOF code to the PSAX system to indicate that the far-end device has detected an OOF condition on its receiving port. (FEAC codes will be supported in a future release.)

RcvRmtLOS Receiving FEAC LOS code from remote. The far-end device

has sent an FEAC LOS code to the PSAX system to indicate that the far-end device has detected an LOS condition on its receiving port. (FEAC codes will be supported in a future release.)

RcvRmtIdle The PSAX system detected a DS3 idle signal on its receiving

port. If the Cell Mapping field on the DS3 Port and Channel Configuration window for this port is set to Plcp, the PSAX system:

• Displays the values RcvRmtIdle, RcvLCD, and LOF in

the Line Status field

• Tran s mits a Plcp yellow alarm

• Takes the interface out of service because of the Plcp

Framing.

If the Cell Mapping field on the DS3 Port and Channel Configuration window for this channel is set to DirectMapping, the PSAX system:

• Displays the value RcvRmtIdle in the Line Status field

• Leaves the interface in service

RmtLoopback Far end remote loopback

RcvLCD The PSAX system detected a loss of cell delineation condition

on its receiving port. If the Cell Mapping field on the DS3 Port and Channel Configuration window for this port is set to DirectMapping, this line status indicates that the PSAX system has received 7 consecutive cells with either single bit or multi-bit errors in the header. This condition will not clear until the PSAX system has received 6 consecutive cells with no header errors. If the Cell Mapping field on the DS3 Port and Channel Configuration window for this port is set to Plcp, this error condition may be displayed whenever there is an error condition on either the DS3 framing or the Plcp framing.

7 To apply the values for the fields, select the Apply Port and Channel

Configuration command.

8 Select the Configure Interface command.

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The ATM UNI Interface Configuration window is displayed. See the

PacketStar

PSAX Connections Provisioning Guide for instructions on config-

uring the ATM UNI interface.

9 Repeat steps 5–8 for the second and third ports, as needed.

Note: To manage the interfaces, use the commands in the Protection

3-Port DS3 ATM Configuration window (see Figure 3-8) and the Protection 3-Port DS3 ATM Port and Channel Configuration window (see Figure 3-9) as needed.

End

Configuring the Ports in E3 Mode

To configure the module for the E3 mode, perform the following procedure.

Configuring the Ports (E3 Mode)

Begin

1 On the Console Interface Main Menu window (see Figure 3-10), select

the Equipment Configuration option.

Figure 3-10. Console Interface Main Menu (Equipment Configuration Selected)

The Equipment Configuration window (see Figure 3-11) is displayed.

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Figure 3-11. Equipment Configuration Window (As Displayed on the PSAX 1250,

PSAX 2300, and PSAX 4500 Console)

2 On the Equipment Configuration window, select a DS3E3-ATM-3P-

module in the list.

Note: The descriptions of the module alarm status values in the Alarm

Status field are provided in the reference appendix.

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The Protection 3-Port E3 ATM Configuration window (see Figure 3-12) is displayed.

Figure 3-12. Protection 3-Port E3 ATM Configuration Window

Commands The commands in this window have the following functions:

Command Function

Apply Operating Mode Change

Changes the signaling mode in which the module will operate. After selecting the value E3 in the Operating Mode field, select this command to apply the change. The module reboots and the window reflects your selection.

Note: All interfaces must be unconfigured, out of service, and deleted before using this command.

Update Display Updates the values in the fields to show the most current

configuration. Use this command to display the most current information in the Line Status field.

Delete All Interfaces Deletes the configured interfaces for the three ports. You

must take all interfaces out of service (using the Tak e All Interfaces Out Of Service command) before you can use this command to delete all the configured interfaces.

Bring All Interfaces Into Service

Take All Interfaces Out Of Service

Brings the out-of-service configured interfaces for the three ports to in-service status.

Takes the in-service configured interfaces for the three ports to out-of-service status. You must use this command first before using the Delete All Interfaces command.

Go Back to Equipment

Redisplays the Equipment Configuration window.

Configuration

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3 If E3 is not the value displayed in the Operating Mode field, select the

value E3 to place the module into E3 mode.

4 Select the Apply Operating Mode Change command.

Field Descriptions The read-only fields in this window are described in Table 3-6.

Table 3-6. Protection 3-Port E3 ATM Configuration

Field Name Field Value Description

Slot: Default: N/A

Range: Variable

Specifies the PSAX 4500 chassis slot that the selected module occupies.

Format: Numeric

Port (display only)

Default: N/A Range: 1–3

Specifies the physical port on the module.

Format: Numeric

Interface Type (display only)

Default: Unconfig-

ured

Range: N/A

Specifies the type of end-to-end connection protocol that governs the transmission parameters of this configured port and channel interface.

Format: Predefined

Unconfigured Indicates that this interface is not configured

AtmUni3-0 Indicates that this interface is configured for the

ATM UNI 3.0 interface.

AtmUni3-1 Indicates that this interface is configured for the

ATM UNI 3.1 interface.

AtmUni4-0 Indicates that this interface is configured for the

ATM UNI 4.0 interface.

AtmPnni1_0 Indicates that this interface is configured for the

ATM PNNI 1.0 interface.

IispUser Indicates that this interface is configured for the

ATM IISP user interface.

IispNetwork Indicates that this interface is configured for the

ATM IISP network interface.

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Table 3-6. Protection 3-Port E3 ATM Configuration (Continued)

Field Name Field Value Description

Admin Status (display only)

Default: Unconfig-

ured

Displays the administrative status of the port.

Range: N/A Format: Predefined

Unconfigured Indicates that the interface for the port is not con-

figured.

OutOfService Indicates that the interface has not yet been

brought into service, or in-service interface has

been set to out of service with the Tak e Inter-

face Out of Service command.Indicates that the

interface has not yet been brought into service, or

in-service interface has been set to out of service

with the Take Out of Service button.

InService Indicates that the interface has been brought into

service with the Bring Interface Into Service

command.Indicates that the interface has been

brought into service with the Bring Into Service

button.

Oper Status (display only)

Default: Unconfig-

ured

Displays the operational status of the port and

whether the port is exchanging a valid signal. Range: N/A Format: Predefined

Unconfigured Indicates that this channel is not operational

because the interface is not configured.

OutOfService Indicates that a loss-of-signal condition exists due

to any one of the following problems:

• The module port is not physically connected to

a cable.

• The cable is not connected at the other end to a

device.

• The cable is broken.

A loss of frame or encoding is due to a problem

with the framing or encoding of the signal. For

example, a repeater could corrupt the signal.

InService Indicates that the port is physically connected to

a cable; the cable is conducting the signal; and the

signal is being transmitted and received correctly.

Line Status (display only)

Default: No Alarm Range: N/A Format: Predefined

Displays the alarm status of the physical port. The

most current information is displayed when a

trap message is received or when the Update

Display command is selected.

Note: This field displays No Alarm when no

interfaces are configured. See the E3 line status

table below.

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Table 3-6. Protection 3-Port E3 ATM Configuration (Continued)

Field Name Field Value Description

[Protection Type] Default: None

Range: N/A

Displays the type of protection for this module as determined by slot position or switchover status.

Format: Predefined

None Indicates that this module is not operating in a

protection mode, neither providing protection to, nor being protected by, another module.

NtoMWorking Indicates that this module is operating as a

working module in a protection mode.

NtoMProtection Indicates that this module is operating as a

protection module in a protection mode.

Operating Mode Default: N/A

Range: N/A Format: Predefined

Note: All interfaces must be out of service, deleted, and unconfigured before changing the operating mode.

Configuring the Ports

DS3 Indicates that the module is operating in DS3

mode.

E3 Indicates that the module is operating in E3

mode.

5 Select one of the lines with the port you want to configure.

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The Protection 3-Port E3 ATM Port and Channel Configuration window (see Figure 3-13) is displayed.

Figure 3-13. Protection 3-Port E3 ATM Port and Channel Configuration Window

Commands The commands in this window have the following functions.

Command Function

Apply Port and Channel Configuration

Reset Port and Channel

For a specified port number value, applies the configuration field values you set.

Resets the fields to the last set of saved values.

Display

Bring Interface Into Service Brings an out-of-service configured interface to in-service

status. The value InService is displayed in the [Oper Status] field. This command is displayed only when the [Admin Status] field is OutOfService.

Take Interface Out of Service

Takes an in-service configured interface to out-of-service status. The value OutOfService is displayed in the [Oper Status] field. This command is displayed only when the [Admin Status] field is InService.

Configure Interface Displays the selected interface configuration window.

View Port Statistics Displays the Protection 3-Port E3 ATM Statistics window.

Go Back to Card Configuration

Redisplays the Protection 3-Port E3 ATM Configuration window.

Field Descriptions 6 Enter values in the fields on this window according to the information

provided in Table 3-7.

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Table 3-7. Protection 3-Port E3 ATM Port and Channel Configuration Window Field Descriptions

Field Name Field Value Description

Loopback Default: NoLoop

Range: N/A Format: Predefined

Specifies whether the port is to be used for loopback testing and, if so, the type of loopback to be performed.

NoLoop Indicates that the port will not be used for loop-

back.

LocalLoop Indicates that local loopback will be used on this

port. Indicates that local loopback will be used on this port. The transmitted signal is sent to the receive side of the same port.

LineLoop Indicates that line loop will be used on this port.

The received signal will be sent through the receiver and the line driver, and then back out to the originating point.

Transmit Clock Default: LocalTim-

ing

Range: N/A Format: Predefined

Indicates what type of synchronization is used by the interface to maintain proper data flow through the PSAX system and the remote devices connected to the system.

LocalTiming Selects a synchronization source (Composite-

Clock, T1BITS, E1ETSI, CompositeClockDS0A, Freerun, or LineTiming) that is provided through the Stratum 3–4 module.

LoopTiming Selects the recovered clock from the received

data and is used as the transmit clock on the selected interface.

Payload Scramble Default: Enabled

Range: N/A Format: Predefined

Specifies the presence or absence of cell payload scrambling. This function improves the security and robustness of the ATM cell payload as part of forward error correction described in ITU I.432.1.

Enabled Indicates that the payload scrambling function is

operating on this port.

Disabled Indicates that the payload scramble function is

not operating on this port.

Line Type Default: G832

Range: N/A

Specifies the framing mode to be used on the line coming into this port.

Format: Predefined

G832 Indicates that the framing mode conforms to the

ITU-T G.832 (1993) standard.

G751 Indicates that the framing mode conforms to the

ITU-T G.751 (1998) standard.

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Configuring the Ports

Table 3-7. Protection 3-Port E3 ATM Port and Channel Configuration Window Field Descriptions

Field Name Field Value Description

[Line Coding] Default: Hdb3

Range: N/A Format: Predefined

Displays the type of line coding to be used on this

port. The data format lets either end of the com-

munications channel correctly interpret messages

from the other. This type of line coding indicates

that the encoding/decoding pattern uses the

high-density bipolar three-zero method that does

not allow more than 3 consecutive zeros.

Cell Mapping (display only)

[Line Status] Default: NoAlarm

Default: DirectMap-

ping

Range: N/A Format: Predefined

Specifies the type of cell mapping used on the

port. The only type of cell mapping available is

ATM direct cell mapping for bidirectional trans-

misson.

Displays the current line status of the port.

This field displays No Alarm when no interfaces

are configured. See the E3 line status table below

the field description table for the Protection

3-Port E3 ATM Configuration window.

Interface Type Default: Unconfig-

ured

Range: N/A

Specifies the type of end-to-end connection pro-

tocol that governs the transmission parameters of

this configured port and channel interface.

Format: Predefined

Unconfigured Indicates that the interface is not configured

AtmUni3-0 Indicates that the interface is configured for the

ATM UNI 3.0 interface.

AtmUni3-1 Indicates that the interface is configured for the

ATM UNI 3.1 interface.

AtmUni4-0 Indicates that the interface is configured for the

ATM UNI 4.0 interface.

AtmPnni1_0 Indicates that the interface is configured for the

ATM PNNI 1.0 interface.

IispUser Indicates that the interface is configured for the

ATM IISP user interface.

IispNetwork Indicates that the interface is configured for the

ATM IISP network interface.

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Configuring the Ports

Table 3-7. Protection 3-Port E3 ATM Port and Channel Configuration Window Field Descriptions

Field Name Field Value Description

[Admin Status] Default: Unconfig-

Displays the administrative status of the port.

ured

Range: N/A Format: Predefined

Unconfigured Indicates that the interface for the port is not con-

figured.

OutOfService Indicates that the interface has not yet been

brought into service, or in-service interface has been set to out of service with the Tak e Inter-

face Out of Service command.

InService Indicates that the interface has been brought into

service with the Bring Interface Into Service command.

[Oper Status] Default: Unconfig-

ured

Displays the operational status of the port and

whether the port is exchanging a valid signal. Range: N/A Format: Predefined

Unconfigured Indicates that the channel is not operational

because the interface is not configured.

OutOfService Indicates that a loss-of-signal condition exists due

to any one of the following problems:

• The module port is not physically connected to

a cable.

• The cable is not connected at the other end to a

device.

• The cable is broken.

A loss of frame or encoding is due to a problem

with the framing or encoding of the signal. For

example, a repeater could corrupt the signal.

InService Indicates that the port is physically connected to

a cable; the cable is conducting the signal; and the

signal is being transmitted and received correctly.

Table 3-5 provides the line status alarm descriptions for the E3 mode on the 3-Port DS3/E3 ATM Protection module. This alarm is displayed in the Line Status field on the Protection 3-Port E3 ATM Configuration and the E3 Port and Channel Configuration windows.

Table 3-8. 3-Port DS3/E3 ATM Protection Module—E3 Mode Line Status Alarm Descriptions

Alarm Description

NoAlarm No alarm present.

RcvRAIFailure Receiving yellow/remote alarm indication

XmitRAIAlarm Transmitting yellow/remote alarm indication

RcvAIS The PSAX system detected an AIS error on its receiving port.

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Viewing Port Statistics

Table 3-8. 3-Port DS3/E3 ATM Protection Module—E3 Mode Line Status Alarm Descriptions

Alarm Description

XmitAIS Transmitting AIS failure state

LOF Receiving LOF failure state. This line status indicates an error

condition on the E3 framing.

LOS Receiving LOS failure state

LoopbackState Looping the received signal

RcvTestCode Receiving a test pattern

OtherFailure Any other line status not shown in this table

7 To apply the values for the fields, select the Apply Port and Channel

Configuration command.

8 Select the Configure Interface command.

The ATM UNI Interface Configuration window is displayed. See the

PacketStar

uring the ATM UNI interface.

9 Repeat steps 5–8 for the second and third ports as needed.

Note: To manage the interfaces, use the commands in the Protection

3-Port E3 ATM Configuration window (see Figure 3-12) and the Protection 3-Port E3 ATM Port and Channel Configuration window (see Figure 3-13) as needed.

Viewing Port Statistics

To view statistics for this port, perform the following procedure for either the DS3 or the E3 mode.

Viewing DS3 Port Statistics

Viewing Port Statistics (DS3 Mode)

Begin

On the Protection 3-Port DS3 ATM Port and Channel Configuration window (see Figure 3-5 on page 3-8), select the View Port Statistics command. The Protection 3-Port DS3 ATM Statistics window (see Figure 3-14) is displayed.

PSAX Connections Provisioning Guide for instructions on config-

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Viewing Port Statistics

Figure 3-14. Protection 3-Port DS3 ATM Statistics Window

Commands The commands in this window have the following functions:

Command Function

Continuous Update Updates the values in the fields every sec-

ond.

Reset Statistics Sets all field values to 0.

Go Back to Port Configuration

Redisplays the Protection 3-Port DS3 ATM Port and Channel Configuration window.

Field Descriptions Descriptions of the display-only fields on this window are provided in

Table 3-9.

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Viewing Port Statistics

Table 3-9. 3-Port DS3 ATM Port Statistics Window Field Descriptions

Field Name Field Value Description

Severely Errored Framing Seconds

Default: 0000000000 Range: N/A Format: Numeric

A count of the number of severely errored framing seconds encountered by the DS3 port in one of the previous 96 individual 15-minute intervals. A severely errored framing second has one or more out-of-frame defects or a detected AIS defect.

Unavailable Seconds

Default: 0000000000 Range: N/A Format: Numeric

A count of the number of unavailable seconds encountered by the DS3 port in one of the previous 96 individual 15-minute intervals. Unavailable seconds (UAS) are calculated by the number of seconds that the interface is unavailable.

Line Coding Violations

Default: 0000000000 Range: N/A Format: Numeric

A count of the number of line coding violations that have occurred on the DS3 port since the last time statistics were reset. Line coding violations indicate that a bipolar violation or an excessive zeroes error event has occurred.

Line Errored Seconds

Default: 0000000000 Range: N/A Format: Numeric

A count of the number of line errored seconds encountered by the DS3 port in the previous 24-hour period. A line errored second is a second in which one or more line code violation error events were detected.

P-bit Coding Violations

Default: 0000000000 Range: N/A Format: Numeric

For all DS3 applications, a coding violation error event is a P-bit parity error event. A P-bit parity error event is the occurrence of a received P-bit code on the DS3 M-frame that is not identical to the corresponding locally-calculated code.

P-bit Errored Seconds

Default: 0000000000 Range: N/A Format: Numeric

A second with one of the following:

• one or more P-bit coding violations

• one or more out of frame defects

• a detected incoming alarm indication signal

(AIS)

This counter will not increment when unavailable seconds are counted.

P-bit Severely Errored Seconds

Default: 0000000000 Range: N/A Format: Numeric

A second with one of the following:

• 44 or more P-bit coding violations

• one or more out of frame defects

• a detected AIS

This counter will not increment when unavailable seconds are counted.

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Table 3-9. 3-Port DS3 ATM Port Statistics Window Field Descriptions (Continued)

Field Name Field Value Description

C-bit Coding Violations

C-bit Errored Seconds

Default: 0000000000 Range: N/A Format: Numeric

The count of coding violations reported by the C-

bits. For C-bit parity, it is a count of C-bit parity

errors occurring in the accumulation interval.

A second with one of the following:

• one or more C-bit coding violations

• one or more out of frame defects

• a detected AIS

This counter will not increment when unavail-

able seconds are counted.

C-bit Severely Errored Seconds

Default: 0000000000 Range: N/A Format: Numeric

A second with one of the following:

• 44 or more C-bit coding violations

• one or more out of frame defects

• a detected incoming alarm indication signal

AIS

This counter will not increment when unavail-

able seconds are counted.

Viewing Port Statistics

End

Viewing E3 Port Statistics

Viewing Port Statistics (E3 Mode)

Begin

On the Protection 3-Port E3 ATM Port and Channel Configuration window (see Figure 3-7 on page 3-15), select the View Port Statistics command. The Protection 3-Port E3 ATM Statistics window (see Figure 3-15) is displayed.

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Viewing Port Statistics

Figure 3-15. Protection 3-Port E3 ATM Statistics Window

Commands The commands in this window have the following functions:

Command Function

Continuous Update Updates the values in the fields every sec-

ond.

Reset Statistics Sets all field values to 0.

Go Back to E3 Port Configuration

Redisplays the Protection 3-Port E3 ATM Port and Channel Configuration window.

Field Descriptions Descriptions of the display-only fields on this window are provided in

Table 3-10 .

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Table 3-10. Protection 3-Port E3 ATM Statistics Window Field Descriptions

Field Name Field Value Description

Severely Errored Framing Seconds

Default: 0000000000 Range: N/A Format: Numeric

Displays a count of the number of severely

errored framing seconds encountered by the E3

port in one of the previous 96 individual

15-minute intervals. A severely errored framing

second has one or more out-of-frame defects or a

detected AIS defect.

Unavailable Seconds

Default: 0000000000 Range: N/A Format: Numeric

Displays a count of the number of unavailable

seconds encountered by the E3 port in one of the

previous 96 individual 15-minute intervals.

Unavailable seconds (UAS) are calculated by the

number of seconds that the interface is unavail-

able.

Line Coding Violations

Default: 0000000000 Range: N/A Format: Numeric

Displays a count of the number of line coding

violations that have occurred on the E3 port since

the last time statistics were reset. Line coding vio-

lations indicate that a bipolar violation or an

excessive zeros error event has occurred.

Line Errored Seconds

Default: 0000000000 Range: N/A Format: Numeric

Displays a count of the number of line-errored

seconds encountered by the E3 port in the previ-

ous 24-hour period. A line-errored second is a

second in which one or more line code violation

error events were detected.

P-bit Coding Violations

Default: 0000000000 Range: N/A Format: Numeric

Displays a count of the number of P-bit coding

violations that have occurred on the E3 port since

the last time statistics were reset. For all E3 appli-

cations, a coding violation error event is a P-bit

parity error event, which is the occurrence of a

received P-bit code on the E3 M-frame that is not

identical to the corresponding locally calculated

code.

P-bit Errored Seconds

Default: 0000000000 Range: N/A Format: Numeric

Displays a count of the number of P-bit-errored

seconds encountered by the E3 port in the previ-

ous 24-hour period. A P-bit-errored second has

one of the following characteristics:

• One or more P-bit coding violations

• One or more out-of-frame defects

• A detected incoming alarm indication signal

(AIS)

This counter will not increment when unavail-

able seconds are counted.

Viewing Port Statistics

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Table 3-10. Protection 3-Port E3 ATM Statistics Window Field Descriptions (Continued)

Field Name Field Value Description

P-bit Severely Errored Seconds

Default: 0000000000 Range: N/A Format: Numeric

Displays a count of the number of P-bit severely errored seconds encountered by the E3 port in the previous 24-hour period. A P-bit severely errored second has one of the following characteristics:

• 44 or more P-bit coding violations

• One or more out-of-frame defects

• A detected incoming AIS

This counter will not increment when unavailable seconds are counted.

C-bit Coding Violations

Default: 0000000000 Range: N/A Format: Numeric

Displays a count of C-bit coding violations that have occurred on the E3 port since the last time statistics were reset. For all E3 applications, a coding violation error event is a C-bit parity error event.

C-bit Errored Seconds

Default: 0000000000 Range: N/A Format: Numeric

Displays a count of the number of C-bit-errored seconds encountered by the E3 port in the previous 24-hour period. A C-bit-errored second has one of the following characteristics:

• One or more C-bit coding violations

• One or more out-of-frame defects

• A detected incoming AIS

This counter will not increment when unavailable seconds are counted.

C-bit Severely Errored Seconds

Default: 0000000000 Range: N/A Format: Numeric

Displays a count of the number of C-bit severely errored seconds encountered by the E3 port in the previous 24-hour period. A C-bit severely errored second has one of the following characteristics:

• 44 or more C-bit coding violations

• One or more out-of-frame defects

• A detected incoming AIS

This counter will not increment when unavailable seconds are counted.

Configuring the N to M Protection Feature

The N to M Protection Feature allows the user to configure protection groups, view the protection status of a module within the chassis, and change the configuration of protection groups.

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Configuring N:1 Protection Groups

Perform the following procedure to configure one or more protection groups.

Begin

1 From the Site-Specific Menu, select the N to M Protection Feature menu

option.

The N to M Protection Feature Menu window is displayed (see Figure 3-16).

Configuring the N to M Protection Feature

Figure 3-16. N to M Protection Feature Menu Window (N:1 Protection)

Commands The commands on this window have the following functions:

Menu Option Function

N to M Protection Table Displays the N to M Protection Table window.

N to M Protection Group Table Displays the N to M Protection Group Table window.

Go Back to Site Specific Menu Redisplays the Site-Specific Menu window.

2 Select the N to M Protection Group Table command.

The N to M Protection Group Table window is displayed (see Figure 3-17).

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Figure 3-17. N to M Protection Group Table Window (N:1 Protection)

Commands The commands on this window have the following functions:

Command Function

Page Up Scrolls up one page if more than one page is available.

Page Down Scrolls down one page if more than one page is available.

Top Displays entries at the top of the table if more than one

page is available.

Bottom Displays entries at the bottom of the table if more than

one page is available.

Tota l : 0/0 The first number in this field indicates the Group Id table

entry on the first line of the currently displayed page. The second number indicates the total number of Group Id table entries for this connection type.

Find...Group ID: Provides a field for entering a slot number to use in

searching for the corresponding Group Id.

Add N to M Protection Group Entry

Displays the N to M Protection Group Configuration window.

Go Back to Previous Screen Redisplays the N to M Protection Feature Menu window.

3 Select the Add N to M Protection Group Entry command.

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The N to M Protection Group Configuration window is displayed (see Figure 3-18 and Figure 3-19). On this window, you can create an N to M protection group by selecting working and protection slots, a Group Id, and the type of protection group you want to configure.

Figure 3-18. N to M Protection Group Configuration Window (N:1 Protection)

Figure 3-19. N to M Protection Group Configuration Window (1:1 Protection)

Commands The commands on this window have the following functions:

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Command Function

Create the protection group Creates the N to M Protection Group and adds the Group

Id number to the N to M Protection Group Table.

Apply the configuration Applies the N to M Protection Group configuration to the

N to M Protection Table.

Delete the protection group Deletes the N to M Protection Group selected.

Continuous Update Updates the values in the fields every second.

Reset Statistics Resets the group statistics on this screen.

Update the configuration Updates the assigned working slots and protection slots

with their respective Group Ids.

Go Back to Previous Screen Redisplays the N to M Protection Group Table window.

Field Descriptions 4 Enter values in the fields on this window according to the information

provided in Table 3-11.

Table 3-11. N to M Protection Group Configuration Window Field Descriptions

Field Name Field Value Description

Group Id Default: 0

Range: 1–15

Represents a unique protection group within this chassis.

Format: Numeric

[Working Slots] Default: N/A

Range: 01–16 Format: Numeric

Displays the selected working slot(s) within a protection group. Slots 03–08 and slots 09–12 are dedicated for each N:1 protection group. Slot 4 is dedicated for the 1:1 protection group on the PSAX

1000. To make a selection, move the cursor to a slot value and press Enter to display X below the slot value.

[Protection Slots] Default: N/A

Range: 01–16 Format: Numeric

Displays the selected protection slot(s) within a protection group. For N:1 protection groups, slot 15 must be used for working slots 3–8; slot 13 must be used for working slots 9–12. Slot 15 must be used for working slot 4 for the 1:1 protection group on the PSAX 1000. To make a selection, move the cursor to a slot value and press Enter to display X below the slot value.

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Table 3-11. N to M Protection Group Configuration Window Field Descriptions (Continued)

Field Name Field Value Description

Mechanism Type Default: Optimized

Range: N/A

Displays the type of protection group that is configured.

Format: Predefined

OneToOne Indicates that the group is configured for 1:1 protec-

tion.

Optimized Indicates that the group is configured for N:1 protec-

tion.

Revertive Option Default: Non-rever-

tive

Range: N/A Format: Predefined

Non-revertive Indicates that traffic is not transferred from the pro-

[Protection Availability]

Default: N/A Range: 13; 15 Format: Predefined

numeric

[Working Failed] Default: N/A

Range: 03–08; 09–12 Format: Predefined

numeric

[Protection Failed] Default: N/A

Range: 13, 15 Format: Predefined

numeric

[OOS Counter] Default: 0

Range: N/A Format: Predefined

numeric

[Timer] Default: 0

Range: N/A Format: Predefined

numeric

Displays the switchover option selected for this protection group. Only one field value is currently available for this field.

tection module back to the working module after switchover.

Displays the unused protection slots that are available for protection. The usable slots are 13 and 15 for N:1 protection. Slot 15 is the only slot available for 1:1 protection on the PSAX 1000.

Displays the slot numbers for the failed working modules. Slot 4 is the only slot available for 1:1 protection on the PSAX 1000.

Displays the slot numbers for the failed protection modules. Slot 15 is the only slot available for 1:1 protection on the PSAX 1000.

Displays the number of times the selected group has been out-of-service (OOS) since the group was activated.

Displays the time in minutes, seconds, and hours since the group was activated.

5 Select the Create the protection group command. The protection

group is created and added to the N to M Protection Group Table.

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6 Select the Apply the configuration command. The protection group

configuration is added to the N to M Protection Table. See “Viewing and Changing N to M Protection Groups.”

End

Viewing and Changing N:1 Protection Groups

Perform the following procedure to view the status and change the configuration of the protection groups.

Begin

1 On the Site-Specific Menu, select the N to M Protection Feature menu

option.

The N to M Protection Feature Menu window is displayed (see Figure 3-20).

Figure 3-20. N to M Protection Feature Menu Window

Commands The commands on this window have the following functions:

Menu Option Function

N to M Protection Table Displays the N to M Protection Table window.

N to M Protection Group Table Displays the N to M Protection Group Table window.

Go Back to Site Specific Menu Redisplays the Site-Specific Menu window.

2 Select the N to M Protection Table command.

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Configuring the N to M Protection Feature

The N to M Protection Table window is displayed (see Figure 3-21 and Figure 3-22). On this window, you can view the protection status of all modules and to select a slot to view or to change the protection configuration of a module. The fields for unconfigured slots (displaying None) are display only.

Figure 3-21. N to M Protection Table Window (N:1 Group)

Figure 3-22. N to M Protection Table Window (1:1 Group)

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Command The command on this window has the following function:

Command Function

Go Back to Previous Screen Redisplays the N to M Protection Feature Menu window.

Field Descriptions The display-only fields on this window are described in Table 3-12.

Table 3-12. N to M Protection Table Window Field Descriptions

Field Name Field Value Description

Card Slot Default: N/A

Range: 1–15

Displays the numbers of each module slot in the chassis.

Format: Predefined

Config Mode Default: None

Range: N/A

Displays the protection configuration status of the slot/module in the assigned slot.

Format: Predefined

None Indicates that the module in the slot is not config-

ured as part of an N:1 protection group.

Working Indicates that the module is configured as a

working module. The working slots are 3–12 for N:1 protection

groups. The working slot is 4 for a 1:1 protection group on the PSAX 1000.

Protection Indicates that the module is configured as a pro-

tection module. The Protection slots are 13 and 15 for N:1 protec-

tion groups. Slot 15 is the only slot available for 1:1 protection on the PSAX 1000.

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Table 3-12. N to M Protection Table Window Field Descriptions (Continued)

Field Name Field Value Description

Oper State Default: None

Displays the operational state of the slot/module. Range: N/A Format: Predefined

None Indicates that the slot is not operational.

Active Indicates that the module is actively sending

traffic.

Standby Indicates that the module is standing by to send

traffic should a switchover take place.

Group Id Default: 0

Range: 0–15 Format: Numeric

Displays the group ID number (up to 2 groups

possible) next to each working module and pro-

tection module assigned to the protection group.

One protection group would include working

module slots 2–8 and protection module slot 15.

The other protection group would include work-

ing module slots 9–12 and protection module slot

13.

A 1:1 protection group on the PSAX 1000 would

include working module slot 4 and protection

module slot 15.

3 Select a row for a slot in this table (for example, slot 3).

The N to M Protection Configuration window is displayed (see Figure 3-23). On this window, you can change the configuration of a slot within a protection group.

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Figure 3-23. N to M Protection Configuration Window

Commands The commands on this window have the following function:

Command Function

Apply the Command Applies the command you have selected in the

Command field.

Refresh Display Updates the values for the fields in this window.

Go Back to Previous Screen Redisplays the N to M Protection Table window.

Field Descriptions 4 Enter values in the fields on this window according to the information

provided in Table 3-13.

Table 3-13. N to M Protection Configuration Window Field Descriptions

Field Name Field Value Description

Slot Id Default: N/A

Range: 1–15 Format: Numeric

Selects module slot in the chassis that is to be viewed or changed. To make another selection, type the slot number in this field and select the Refresh Display command.

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Table 3-13. N to M Protection Configuration Window Field Descriptions (Continued)

Field Name Field Value Description

Command Default: N/A

Range: N/A

Indicates the selectable commands used to control the protection feature on the selected slot.

Format: Predefined

None Indicates that no command is enabled for the

selected slot.

Clear Forces traffic back to the working module slot.

[Switchover Slot Id]

ForcedSwitchOverToProtection

Default: 18 Range: 1–15 Format: Numeric

Forces traffic to the assigned protection module slot.

Displays the slot number of the module that traffic is transferred to during a protection switchover. The value 18 indicates that no valid switchover slot exists at this time.

[Config Mode] Default: None

Range: N/A

Displays the protection configuration status of the selected slot.

Format: Predefined

None Indicates that the selected slot is not configured.

Working Indicates that the selected slot is configured as a

working module.

Protection Indicates that the selected slot is configured as a

protection module.

[Group Id] Default: N/A

Range: 0–15

Displays the number assigned to the protection group associated with the selected slot.

Format: Numeric

[Oper State] Default: None

Range: N/A

Displays the operational state of the selected module.

Format: Predefined

None Indicates that the selected module is not opera-

tional.

Active Indicates that the selected module is actively

sending traffic.

Standby Indicates that the selected module is standing by

to send traffic should a switchover take place.

[Slot Active Counter]

[Timer] Default: 0

Default: 0 Range: 0–2147483647 Format: Numeric

Range: 0–2147483647 Format: Numeric (sec-

Displays the number of times that this slot has gone from the Standby to the Active state since the protection group was created.

Displays the number of seconds for which the statistics for this protection group has been collected.

onds)

5 Select the Apply the Command command.

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Saving the Module Configuration

The values you entered are now applied.

End

Saving the Module Configuration

After configuring the module ports and channels, the interface types for each port and channel, and the connections, you must save the values to the PSAX system database. It is recommended that you save your values frequently as you progress through your work, at a minimum, after finishing each stage of work:

• Configuring each module in your system

• Configuring the connections in your system

• Before exiting your current console session

Perform the following procedure to permanently save the values for your system.

CAUTION:

If your system loses power or if you reboot the chassis, and you have not yet saved the values permanently, you will lose all unsaved values you have applied on the various windows.

Begin

1 Press Ctrl+G, to return to the Console Interface Main Menu window.

On the Console Interface Main Menu window, [Modified] is displayed next to the Save Configuration command, indicating you have made changes to the system that are not yet saved to the PSAX system database (see Figure 3-24).

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Chapter 3 Configuring Ports and Channels Using the Console

Saving the Module Configuration

Figure 3-24. Save Configuration [Modified] (Before Saving)

2 Select the Save Configuration command or press Ctrl+A.

Wait a few seconds while the system writes the values to the PSAX system database. The system displays the following message while it is executing this command:

Saving the equipment and connection information

Note: In PSAX systems with redundant CPUn modules, the standby

CPUn module reboots every time you save the configuration on the primary CPUn module. This event is a function of the SVC retention feature and the result of saving the configuration changes you have made.

When the save configuration function is completed, the system displays an appropriate message as described in Table 3-14.

Table 3-14. Messages Generated after the Save Configuration Process

When a PSAX system is...

the system displays...

nonredundant T-SaveConfiguration: saveConfigurationReasonCode=All-OK

redundant

T-SaveConfiguration: saveConfigurationReasonCode =

Expect2ndCPUCardFailedOrRemoved

The standby CPUn module is rebooted when the save command is issued. After the standby CPUn module reboots, the system displays the following message:

Code=FileTransferCompleted

T-SaveConfiguration: saveConfigurationReason-

This message indicates that while the standby CPUn module reboots after you select the Save

Configuration

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command, the standby CPUn module is temporarily unavailable.

Chapter 3 Configuring Ports and Channels Using the Console

Provisioning Connections

After saving the configuration values, the indicator [Modified] is no longer displayed next to the Save Configuration command.

End

Provisioning Connections

For instructions on configuring interfaces and provisioning connections, see

the PacketStar

PSAX Connections Provisioning Guide. When using that guide,

keep in mind that the following connection types are supported by the 3-Port DS3/E3 ATM Protection module:

• PVC connections: ~ ATM-to-ATM VCC PVC connections ~ ATM-to-ATM VPC PVC connections ~ Bridge-to-ATM VCC PVC connections ~ Circuit emulation-to-ATM VCC PVC connections ~ Frame relay-to-ATM VCC PVC connections ~ In-band management IP PVC connections ~ VBR-to-ATM

• SPVC connections: ~ ATM-to-ATM VCC ~ ATM-to-ATM VPC ~ Circuit Emulation-to-ATM VCC ~ Frame Relay-to-ATM ~ VBR-to-ATM

• SVC connections: ATM-to-ATM VCC/VPC connections

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A Reference Information

Overview of This Appendix

This appendix contains reference information that is helpful while configuring your PSAX system. The following types of information are provided:

• “Avoiding Common Errors When Configuring Interfaces”

• “Optimizing SVC Call Performance”

• “Connection Type by Interface Type”

• “Interface Type by I/O Module Type”

• “Module Alarm Status Descriptions”

• “ATM Service Categories in the PSAX System”

• “ATM TS, UPC, and VI Configuration Capabilities”

Avoiding Common Errors When Configuring Interfaces

An error may occur when you apply an interface to a channel. If an error condition occurs, the PSAX system sends an SNMP trap that is usually displayed in the console Trap Log Display window (accessible from the Console Interface Main Menu window). The list below includes the most common interface errors that cause the PSAX system to display a message. (See the

PacketStar Guide for more information about the SNMP traps related to interface errors).

• Entering field values that are outside of the configurable range of values

• Attempting to configure an interface for a port or channel that has already

been configured

• Attempting to configure an interface that is already in service (must be out

of service to be configured or change field values)

• Entering field values that are not recognized by the PSAX system software

PSAX Simple Network Management Protocol (SNMP) Trap Reference

Optimizing SVC Call Performance

The information in this section provides guidance on optimizing call performance when configuring SVCs on the PNNI interface. The service-specific connection-oriented protocol (SSCOP) parameter is set on these interface configuration windows: ATM IISP network or IISP user, ATM UNI 3.0 or UNI 3.1, or ATM PNNI 1.0.

Note: These settings are suggested for connecting to a PSAX system from

a remote site only. The PSAX system configures these settings internally in its own ATM switch.

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Appendix A Reference Information

Connection Type by Interface Type

When unacknowledged protocol data units (PDUs), the MaxPD field on the remote end peer (such as the NavisCore™ CBX 500™) shows the maximum number of SSCOP packets transmitted since the last PSAX polling of the peer. To optimize call performance, the SSCOP Rx Window Size field of the local ATM interface should be less than the maximum value displayed in the MaxPD credit window at the remote end of the ATM interface. Otherwise, the rate at which switched calls can be set and released may be degraded.

On the ATM IISP Interface Configuration window, the maximum credit window (the SSCOP Rx Window Size field) is configurable with a value up to 32 for all ATM interfaces on the PSAX system. The interfaces of the ATM switches that are connected to the PSAX system should be configured with the same values. This method results in 100 percent call completion at a call setup rate of 60 calls per second using even distribution. If these values are not configured in this way, calls will be set up at a rate of less than 60 calls per second.

Note: Various SSCOP parameter settings determine the maximum credit

window. As a result, you may not be able to directly use these settings.

For more information on the SSCOP parameter, see the Application Note entitled Connecting a CBX or GX Switch to a PacketStar Gateway via an ATM Port.

Connection Type by Interface Type

The PacketStar® PSAX Multiservice Media Gateways provide a number of connection types and interface types to the network as described in Table A-1. Configuring interfaces and connections are described in the

PacketStar PacketStar

CD-ROM.

Table A-1. Connection Type by Interface Type

Interface Type

Connection Type

AAL2 PVC Trunk XXXXXX

AAL2 Channel PVC VCC Connection

ATM-to-ATM virtual channel connection (VCC) PVC

ATM-to-ATM virtual path connection (VPC) PVC

Bridge-to-ATM VCC PVC XXXXXXX

PSAX Connections Provisioning Guide that can be found on the

PSAX Multiservice Media Gateways Product Information Library

ATM IMA

ATM PNNI 1.0

ATM PNNI over VPC

ATM IISP (Network/User)

XXXXXX

XXX X

PSAX Multiservice Media

NNI)

UNI

(

Bridge

CAS TrunkLine

ATM UNI 3.0/3.1/4.0

ATM Virtual Interface

GR-303

Circuit Emulation

Frame Relay

HDLC Pass-through

Terminal Emulation

PRI ISDN (Network/User)

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Table A-1. Connection Type by Interface Type (Continued)

Interface Type

Appendix A Reference Information

Interface Type by I/O Module Type

NNI)

UNI

(

Connection Type

ATM UNI 3.0/3.1/4.0

Bridge

CAS TrunkLine

ATM Virtual Interface

ATM IMA

ATM PNNI 1.0

ATM PNNI over VPC

ATM IISP (Network/User)

Circuit Emulation

GR-303

HDLC Pass-through

Frame Relay

Terminal Emulation

PRI ISDN (Network/User)

Bridge-to-bridge PVC X

Circuit emulation-to ATM VCC PVC XXXXXX X

Circuit emulation-to circuit emulation PVC X

CPU Ethernet Bridge PVC XXXXXX

Frame relay-to-ATM VCC PVC XXXXXX X

Frame relay-to-frame relay PVC X

GR-303-to-AAL2 VCC PVC

†

XXXXXX X

‡

In-band management ATM PVC XXXXXX

Variable bit rate (VBR)-to-ATM VCC PVC XXXXXX X X

VBR-to-VBR PVC X X

In-Band Management SVC XXXXXX

ATM-to-ATM VCC SPVC XXXXX

ATM-to-ATM VPC SPVC X X X X

Circuit emulation-to-ATM VCC SPVC XXXXXX X

CE-to-ATM Std AAL2 VCC SPVC XXXXX X

Enhanced Router Module to ATM VCC SPVC X X X X

Frame relay-ATM VCC SPVC XXXXX X

VBR-to-ATM VCC SPVC XXXXX X X X

VBR-to-ATM Std AAL2 VCC SPVC XXXXX X X

An AAL2 PVC Trunk must be configured before an AAL2 Channel PVC connection can be created. This connection also requires the use of 2-Port OC-3c/STM-1 Enhanced ATM

modules for both

ends of the connection.

†

AAL2 PVCs must be configured before GR-303 connections can be configured.

‡

A GR-303 Interface Group (IG) must be configured before GR-303 connections can be configured.

Interface Type by I/O Module Type

Table A-2 shows the available interface types for each PacketStar PSAX I/O module used in the PacketStar table does not include other PSAX modules that are not I/O modules, which include: the Alarm module, the DSP2x modules, the Enhanced Router module, the Route Server module, and the Tones and Announcements Server module

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PSAX Multiservice Media Gateways. This

Appendix A Reference Information

Interface Type by I/O Module Type

Table A-2. Interface Type by I/O Module Type

Interface

Module

6-Port DS1 IMA

6-Port Enhanced DS1/T1

ATM IISP (Network/User)

XXX X X

X X X X X XXXX

Multiservice

ATM I MA

ATM PNNI 1.0

DS1/T1 Interface Modules

ATM UNI 4.0

ATM PNNI over VPC

ATM UNI 3.0/3.1

ATM Virtual Interface

Bridge

CAS Trunkline

NNI)

UNI

(

GR-303

Circuit Emulation

Frame Relay

HDLC Pass-through

Routing

PRI ISDN (Network/User)

V5.2

Terminal Emulation

12-Port Medium-Density DS1 Multiservice

12-Port Medium-Density DS1 IMA

12-Port Medium-Density DS1/E1/DS0A CES

24-Port High-Density DS1 Multiservice

8-Port HDSL-2

1-Port Channelized DS3 Multiservice

1-Port DS3 IMA

1-Port Unchannelized DS3 Frame Relay

1-Port Channelized STS-1e, T1 Format

2-Port DS3 ATM

2-Port E3 ATM

3-Port Channelized DS3/STS-1e CES

X X X X X X XXXX

XXX X X

*X†

‡

X X X X X X XXXX

XX XX X

DS3, E3, and STS-1e Interface Modules

X X X X X X XX X X

XXX X X

X X X X X XX X X

XX XX

X X X X

3-Port Channelized

XX X X

DS3/STS-1e CES Protection

3-Port Channelized

DS3/STS-1e Multiservice Protection

3-Port DS3/E3 ATM

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XX XXX

Table A-2. Interface Type by I/O Module Type (Continued)

Interface

Module

45N74 3-Port DS3/E3

ATM IMA

ATM PNNI 1.0

ATM IISP (Network/User)

XX XXX

ATM UNI 4.0

ATM PNNI over VPC

ATM UNI 3.0/3.1

ATM Protection

Appendix A Reference Information

Interface Type by I/O Module Type

NNI)

UNI

(

Bridge

CAS Trunkline

ATM Virtual Interface

Circuit Emulation

GR-303

Frame Relay

HDLC Pass-through

PRI ISDN (Network/User)

Routing

V5.2

Terminal Emulation

3-Port Unstructured DS3/E3 CES

3-Port Unstructured DS3/E3 CES Protection

6-Port E1 IMA

6-Port Enhanced E1 Multiservice

21-Port High-Density E1 Multiservice

21-Port High-Density E1 IMA

Ethernet

4-Port Ethernet

1-Port Channelized OC-3/STM-1 CES Multimode

E1 Interface Modules

XXX X X

XX XX XXXXX

XX XX XXXXX X

XXX X X

Ethernet Interface Modules

Fiber-Optic Interface Modules

XX X

1-Port Channelized

XX X

OC-3/STM-1 CES Singlemode

1-Port Channelized

X¶X

OC-3/STM-1 Unstructured CES/ATM Single-Mode

1-Port Channelized OC-

X¶X

3/STM-1 Unstructured CES/ATM Multimode

2-Port OC-3c/STM-1 ATM

XX XX

Multimode

2-Port OC-3c/STM-1 ATM

XX XX

Single-Mode

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Appendix A Reference Information

Interface Type by I/O Module Type

Table A-2. Interface Type by I/O Module Type (Continued)

Interface

ATM IMA

ATM PNNI 1.0

Module

4-Port OC-3c/STM-1

ATM IISP (Network/User)

XX XX

ATM PNNI over VPC

Multimode

NNI)

UNI

(

Bridge

ATM UNI 4.0

ATM UNI 3.0/3.1

ATM Virtual Interface

CAS Trunkline

Circuit Emulation

GR-303

Frame Relay

HDLC Pass-through

Routing

PRI ISDN (Network/User)

V5.2

Terminal Emulation

4-Port OC-3c/STM-1 Single-Mode

1-Port OC-3c 1+1 APS Multimode

1-Port OC-3c 1+1 APS Single-Mode

1-Port STM-1 1+1 MSP Multimode

1-Port STM-1 1+1 MSP Single-Mode

1-Port OC-12c/STM-4c Multimode

1-Port OC-12c/STM-4c Single-Mode

2-Port OC-3c/STM-1 Enhanced ATM Multimode

2-Port OC-3c/STM-1 Enhanced ATM SingleMode

Quadserial

6-Port Multiserial

XX XX

XX XXX

XX XX

Serial Interface Modules

XX XX XXX X

XX XX X X

Voice 2-Wire Interface Modules

4-Port Voice 2-Wire Office

8-Port Voice 2-Wire Station

The module supports CAS Trunkline in DS1 and E1 modes only.

†

The module supports Circuit Emulation in DS1, E1, and DS0A modes.

‡

The module supports GR-303 in DS1 mode only.

The module supports PRI ISDN in DS1 and E1 modes only.

The module supports ATM services in the STM-ATM mode only.

The module supports CE in the OC3-UCE mode only.

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††

Appendix A Reference Information

Module Alarm Status Descriptions

††

European modules do not support this interface with the 8-Port Voice 2-Wire Station module or the 4-Port Voice 2-Wire Office module.

Module Alarm Status Descriptions

The Alarm Status field on the Equipment Configuration window is described in Table A-3.

Table A-3. Module Alarm Status Descriptions on the Equipment Configuration Window

Alarm Status

Module Type

Affected

Description

NoAlarm I/O and Server Indicates that no alarms have been detected for the module

in this slot.

WrongCardType I/O and Server Indicates that one type of module was configured in this

slot in the chassis, but a now different module occupies this slot.

LineFailed All Indicates that the module in this slot is no longer receiving

or transmitting signals because the line failed.

Hexadecimal format, Example: 12345678ABC

I/O and Server Indicates that one or more ports on the module in this slot

CardRemoved All Indicates that one of the following events occurred:

• The module in this slot was configured and then

removed from the slot.

• Connections on the OC-3, OC-12, STM-1, or STM-4

ReferenceClockFailed Stratum 3–4 Indicates that the timing reference clock on the Stratum

module in this slot failed.

CompositeClockFailed Stratum 3–4 Indicates that the timing composite clock on the Stratum

module in this slot failed.

Overload Power Supply Indicates that the Power Supply module is operating under

an overload condition.

PowerFailed Power Supply Indicates that the power has failed.

Minus48vFailed Power Supply Indicates that the -48 V dc Power Supply module output

failed.

UnknownAlarm I/O and Server Indicates that the reason for failure is not known.

CompleteClockFailed Stratum 3–4 Indicates that the backplane detected a clock error.

PowerFailed Power Supply Indicates that no power is coming into the PSAX chassis.

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Appendix A Reference Information

ATM Service Categories in the PSAX System

ATM Service Category Descriptions

The PSAX system support of defined ATM quality of service (QoS) categories is described in Table A-4.

Table A-4. PSAX System-Supported Quality of Service Categories

ATM Service Category Description

Constant Bit Rate (CBR) This service offers consistent delay predictability. CBR is used for applica-

tions such as circuit emulation, voice, and video.

Real Time Variable Bit Rate (VBR-rt)

Non-Real Time Variable Bit Rate (VBR-nrt)

Guaranteed Frame Rate (GFR)

Unspecified Bit Rate (UBR)

This service offers low delay variance, but requires access to a variable amount of network bandwidth. VBR-rt is used for applications such as packet video and voice.

This service allows delay variance between the delivery of cells. VBR-nrt is used for data applications that have potentially bursty traffic characteristics.

This service allows delay variance and offers a minimum cell rate guarantee. When used with frame-based data encapsulated in AAL5 PDUs, it provides frame-based cell discard. GFR is used for frame relay or ethernet over ATM.

This service allows for best-effort transport by the network. Cells are transported by the network whenever bandwidth is available and the user presents traffic.

Priority of ATM Service Categories in the PSAX System

The attributes of the categories of service supported by the PSAX system software are identified in Table A-5. The service examples in this table are intended simply as illustrations; you should choose your service category based on your network applications supported by the PSAX system. The flexibility of the PSAX system allows you to tailor the system based on the required service applications by selecting the appropriate connection configuration selection field value.

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Appendix A Reference Information

ATM TS, UPC, and VI Configuration Capabilities

Table A-5. Mapping ATM Service Categories to PSAX System Priority Levels

ATM Forum Traffic

Management 4.1

Priority (Current

Implementation)

Service Examples

ATM Service Category

Connection

Configuration

Field Value

AQueMan Priority

(Legacy

Implementation)

Constant Bit Rate (CBR) CBR1 Highest Highest 911 calls

CBR2 Lower than

Preferred customers

CBR1

CBR3 Lower than

Standard

CBR2

CBR4 Lower than

Cellular

CBR3

Real Time Variable Bit Rate (VBR-rt)

VBR-express Lower than

CBR4

VBR-rt1 Lower than

Lower than CBR Network

management

Real-time video

VBR-express

VBR-rt2 Lower than

MPEG 1-2/JPEG

VBR-rt1

Non-Real Time Variable Bit Rate (VBR-nrt)

VBR-nrt1 Lower than

VBR-rt2

VBR-nrt2 Lower than

Lower than

VBR-rt

Data

VBR-nrt1

Guaranteed Frame Rate (GFR)

Unspecified Bit Rate

GFR2 Lowest (shares

queue with UBR)

Lower than

VBR-nrt

Frame relay,

Ethernet, TCP

UBR Lowest Lowest UDP

(UBR)

ATM TS, UPC, and VI Configuration Capabilities

Configuration compatibility among the ATM Traffic Shaping, UPC Support, and VI Support features is shown in Table A-6. In the table, Yes indicates that the two features coinciding in the matrix can be configured in the same interface, and No indicates that they cannot. See Figure A-1 for an illustration of this concept.

Table A-6. ATM Traffic Shaping, UPC Support, and VI Support Configuration

Compatibility

Fields on ATM UNI, PNNI, and IISP

Configuration Windows

ATM Traffic Shaping per VC No Yes

VI Support No Yes

UPC Support Yes

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ATM Tra f f i c

Shaping per VC

VI Support UPC Support

Yes

Appendix A Reference Information

ATM TS, UPC, and VI Configuration Capabilities

UPC support and Traffic Shaping per VC are supported on the same end-to-end connection only when VI is configured on the egress path, and UPC on the ingress path.

I/O Module 1

Ingress Path

UPC

Egress Path

Chassis Backplane

I/O Module 2

Ingress Path

Egress Path

Figure A-1. Combining the UPC Feature and Either the TS or VI Feature on a

Connection

ATM Traffic Shaping Capability by Module

The ATM Traffic Shaping capability is supported on the PSAX modules listed in Table A-7. The table includes information on the maximum number of VCs using traffic shaping, minimum PCR for traffic shaping, queue size, priority, and precision of traffic shaping for one connection. Configuration compatibility among the ATM Traffic Shaping, UPC Support, and VI Support features is shown in Table A-7.

The PSAX modules supporting ATM Traffic Shaping, UPC, or VI are listed in Table A-7. The table includes information on the maximum number of VCs using traffic shaping, minimum PCR for traffic shaping, queue size, priority, and precision of traffic shaping for one connection.

VI or TS

UPC

VI or TS

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Table A-7. ATM Traffic Management Capabilities by Module

Feature Support ATM Traffic Shaping (TS)

Modules

12-Port Medium-Density DS1

EPD GFR UPC VI TS

DS1/T1 Interface Modules

x x 32,000 150

IMA

12-Port Medium-Density DS1

x x 32,000 150

Multiservice

24-Port High-Density DS1

x x 32,000 150

Multiservice

E1 Interface Modules

21-Port High-Density E1 IMA

21-Port High-Density E1

x x 32,000 150

Multiservice

Appendix A Reference Information

ATM TS, UPC, and VI Configuration Capabilities

Max.

No. of

VCs

Min.

PCR

cps

Queue

Size

MBS

Priority

After

VBR-rt2

After

VBR-rt2

After

VBR-rt2

After

VBR-rt2

After

VBR-rt2

Precision for

Connection

One

~50% of

line rate

~50% of

line rate

~50% of

line rate

~50% of

line rate

~50% of

line rate

†

1-Port Channelized STS-1e, T1 Format

1-Port DS3 IMA

1-Port Channelized DS3 Multiservice

3-Port DS3/E3 ATM

1-Port OC-12c/STM-4c Multimode

1-Port OC-12c/STM-4c Single-Mode

1-Port Channelized OC3/STM-1 Unstructured CES/ATM Multimode

1-Port Channelized OC-3/STM-1 Unstructured CES/ATM Single-Mode

2-Port OC-3c/STM-1 ATM Multimode

2-Port OC-3c/STM-1 ATM Single-Mode

2-Port OC-3c/STM-1 Enhanced ATM Multimode

DS3, E3, and STS-1e Interface Modules

x x 32,000 150

cps

‡

x 32,000 150

cps

‡

x 32,000 150

cps

xxx32,0007 cps 2 ×

Fiber-Optic Interface Modules

x x x 32,000 87 cps 2

x x 32,000 9 cps 2

x x x 32,000 24 cps 2

x x 32,000 24 cps 2

MBS

2 ×

MBS

2 ×

MBS

After

VBR-rt2

After

VBR-rt2

After

VBR-rt2

After CBR

~50% of

line rate

~50% of

line rate

~50% of

line rate

~1% of line

rate

~1% of line

rate

~1% of line

rate

~50% of

line rate

~50% of

line rate

~1% of line

rate

~1% of line

rate

~1% of line

rate

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Appendix A Reference Information

ATM TS, UPC, and VI Configuration Capabilities

Table A-7. ATM Traffic Management Capabilities by Module (Continued)

Feature Support ATM Traffic Shaping (TS)

Modules

2-Port OC-3c/STM-1

EPD GFR UPC VI TS

x x 32,000 24 cps 2

Enhanced ATM Single-Mode

4-Port OC-3c/STM-1

x x x 32,000 24 cps 2

Multimode

4-Port OC-3c/STM-1

x x x 32,000 24 cps 2

Single-Mode

Serial Interface Modules

Quadserial

If you specify a rate below the minimum supported PCR, the module defaults to traffic shaping at the minimum supported PCR.

†

A connection configured for a PCR less than the specified rate has an output rate within 1% of the configured PCR.

‡

UPC is available only when using channelization to DS0s.

‡

Max.

No. of

VCs

Min. PCR

Queue

Size

MBS

Priority

After

CBR

After

CBR

After

CBR

N/A N/A N/A N/A N/A

Precision for

One

Connection

~1% of line

rate

~1% of line

rate

~1% of line

rate

†

ATM Traffic Shaping Sample CPS Calculation Table

Use the information in Table A-8 as a guide for calculations to determine ATM traffic shaping for cps on the

Sample calculation: If the ATM traffic-shaped connection is configured with the PCR (Minimum/Actual Target CPS column) value 906 and the maximum target CPS (Maximum Target CPS column) value 909, the ATM Traffic Shaping feature is actually shaping the traffic to the (Actual CPS column) value 906 cps. The divergence is smallest at low PCR.

Table A-8. ATM Traffic Shaping CPS Calculation Table

Actual Rate (in

bps)

64,000 151 152 151

128,000 302 303 302

192,000 453 454 453

256,000 604 606 604

320,000 755 757 755

383,999 906 909 906

448,383 1,058 1,062 1,058

512,876 1,210 1,215 1,210

575,999 1,358 1,365 1,358

639,999 1,509 1,517 1,509

713,142 1,682 1,691 1,682

Minimum/Actual

Tar g e t C P S

Maximum Target

CPS

Actual CPS

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Appendix A Reference Information

ATM TS, UPC, and VI Configuration Capabilities

Table A-8. ATM Traffic Shaping CPS Calculation Table (Continued)

Actual Rate (in

bps)

Minimum/Actual

Tar g e t C P S

Maximum Target

CPS

Actual CPS

767,999 1,811 1,822 1,811

831,999 1,962 1,974 1,962

896,765 2,115 2,129 2,115

959,999 2,264 2,280 2,264

1,025,752 2,419 2,437 2,419

1,085,216 2,559 2,579 2,559

1,151,998 2,717 2,739 2,717

1,217,559 2,872 2,896 2,872

1,279,998 3,019 3,046 3,019

1,349,187 3,182 3,212 3,182

1,412,828 3,332 3,365 3,332

1,482,770 3,497 3,533 3,497

1,543,915 3,641 3,680 3,641

1,610,320 3,798 3,840 3,798

1,663,997 3,925 3,970 3,925

1,741,393 4,107 4,156 4,107

1,782,854 4,205 4,257 4,205

1,804,335 4,256 4,308 4,256

1,826,339 4,307 4,362 4,307

1,848,886 4,361 4,416 4,361

1,871,997 4,415 4,472 4,415

1,895,693 4,471 4,529 4,471

1,919,997 4,528 4,588 4,528

1,944,932 4,587 4,648 4,587

1,970,523 4,647 4,710 4,647

1,996,797 4,709 4,774 4,709

2,023,781 4,773 4,839 4,773

2,051,504 4,838 4,907 4,838

2,079,997 4,906 4,976 4,906

2,109,293 4,975 5,047 4,975

2,139,425 5,046 5,120 5,046

2,170,431 5,119 5,195 5,119

2,202,350 5,194 5,273 5,194

2,235,220 5,272 5,353 5,272

2,269,087 5,352 5,435 5,352

2,303,996 5,434 5,520 5,434

2,339,996 5,519 5,607 5,519

PacketStar® PSAX 3-Port DS3/E3 ATM Protection Module User Guide, Issue1 Release10.0.0

255-700-585 A-13

Appendix A Reference Information

ATM TS, UPC, and VI Configuration Capabilities

Table A-8. ATM Traffic Shaping CPS Calculation Table (Continued)

Actual Rate (in

bps)

Minimum/Actual

Tar g e t C P S

Maximum Target

CPS

Actual CPS

2,377,139 5,606 5,698 5,606

2,415,480 5,697 5,791 5,697

2,455,078 5,790 5,888 5,790

2,495,996 5,887 5,988 5,887

2,538,301 5,987 6,091 5,987

2,582,065 6,090 6,198 6,090

2,627,364 6,197 6,308 6,197

2,674,282 6,307 6,423 6,307

2,722,905 6,422 6,542 6,422

2,773,329 6,541 6,665 6,541

2,825,656 6,664 6,793 6,664

2,879,996 6,792 6,927 6,792

2,936,466 6,926 7,065 6,926

2,995,195 7,064 7,209 7,064

3,056,322 7,208 7,359 7,208

3,119,995 7,358 7,516 7,358

3,186,378 7,515 7,679 7,515

3,255,647 7,678 7,850 7,678

3,327,995 7,849 8,028 7,849

3,403,631 8,027 8,215 8,027

3,482,785 8,214 8,411 8,214

3,565,709 8,410 8,616 8,410

3,652,677 8,615 8,831 8,615

3,743,994 8,830 9,058 8,830

3,839,994 9,057 9,296 9,057

3,941,047 9,295 9,547 9,295

4,047,561 9,546 9,812 9,546

4,159,994 9,811 10,093 9,811

4,278,851 10,092 10,389 10,092

4,404,699 10,388 10,704 10,388

4,538,175 10,703 11,039 10,703

4,679,993 11,038 11,395 11,038

4,830,960 11,394 11,775 11,394

4,991,992 11,774 12,181 11,774

5,164,130 12,180 12,616 12,180

5,348,563 12,615 13,083 12,615

5,546,658 13,082 13,586 13,082

PacketStar® PSAX 3-Port DS3/E3 ATM Protection Module User Guide, Issue1 Release10.0.0

A-14 255-700-585

Lucent Technologies PacketStar PSAX 45N74 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Copyright

Trademarks

Notices

Warranty Information

Software and Hardware Limited Warranties

Safety Warnings and Information

Warranty Warnings

Regulatory Standards Compliance

Safety and Electromagnetic Compatibility (EMC)

Regulatory Statements

Telecommunications

USA Regulatory Statements

FCC Part 68 This equipment complies with Part 68 of the FCC rules. On the back of the

Canadian Regulatory Statements

CS-03 Issue 8 NOTICE: This equipment meets applicable Industry Canada Termi-

SH-03 Version 8 AVIS: Le présent matériel est conforme aux spécifications techniques

Table of Contents

List of Figures

List of Tables

Purpose of This Guide

1 Getting Started

Audience for This Guide

What You Should Know

Related Reading

Lucent Technologies Information Products

Product Information Library

Printed Documents

Other Publications

About Lucent Technologies

About the PacketStar PSAX Product Family

Conventions

Text Types Used in This Document

Table 1-1. Text Conventions

Icons and Symbols

Use of Command Description Tables

Table 1-2. Command Description Table Example

Use of Field Description Tables

Figure 1-1. Field Description Table Example

General Navigational Guidelines

Selecting Options, Fields, and Commands Using the Console Interface

Table 1-3. System Responses to Selecting Options, Fields, or Commands

Help Information

Table 1-4. Shortcut Keys for Navigating Console Interface Windows

Technical Support

Figure 1-2. Main Menu Help Window

Before You Begin

Comments on This Guide

Overview of the Module

2 Module Description

Figure 2-1. 3-Port DS3/E3 ATM Protection Module

Protection Features

1:1 Protection Feature

1:1 Traffic Protection Modules

Protection Group

Working Module Monitoring

Switchover Events

Figure 2-2. 1:1 Protection Scheme on the PSAX 1000 System

Restoration of Service on the Working Module

N:1 Protection Feature

N:1 Traffic Protection Modules

Protection Groups

Working Module Monitoring

Switchover Events

Figure 2-3. N:1 Protection Scheme on the PSAX 4500 System

Restoration of Service on the Working Module

Software Features

Hardware Features

Hardware Specifications

Table 2-1. Physical Hardware Specifications for the PSAX I/O Module

Performance and Power Specifications

Module Placement

Table 2-2. Performance and Power Specifications for the 3-Port DS3/E3 ATM Protection Module

LED Status Indicators

Loopback Configuration Options

Table 2-3. LED Indicators for the 3-Port DS3/E3 ATM Protection Module

Figure 2-4. Loopback Configuration Options on the Module