Lucent Technologies Metropolis AMU 2m/4o, Metropolis AMU, Metropolis AMU 1m/1o Applications And Planning Manual

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®

Metropolis

AMU

Release 1.0 through 4.0

Applications and Planning Guide

365-312-847R4.0

CC109599779

Issue 4

November 2006

This document contains proprietary information of Lucent Technologies and

is not to be disclosed or used except in accordance with applicable agreements.

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Unpublished and Not for Publication

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This material is protected by the copyright and trade secret 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 Lucent Technologies and the business management owner of the material.

Trademarks

All trademarks and service marks specified herein are owned by their respective companies.

Notice

Every effort has been made to ensure that the information in this document was complete and accurate at the time of printing. However, information is subject to change.

Release notification

This document describes AMU release 4.0 and covers previous releases. Compared to provided descriptions some of the legacy releases may vary due to the feature upgrades.

Declaration of Conformity

The Declaration of Conformity (DoC) for this product can be found in this document at “Conformity statements” (p. 5-5),orat: http://www.lucent.de/ecl.

WEEE directive

The Waste from Electrical and Electronic Equipment (WEEE) directive for this product can be found in this document at “Eco-environmental

statements” (p. 5-6).

Ordering information

The order number of this document is 365-312-847R4.0 (Issue 4).

Technical support

For information about Technical Support, please contact your Lucent Local/Regional Technical Support Service Representative or visit http://www.lucent.com/support.

Information product support

To comment on this information product, go to the Online Comment Form (http://www.lucent-info.com/comments/enus/) or email your comments to the Comments Hotline (comments@lucent.com).

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Aboutthis informationproductAbout this information product

Purpose

This Application and Planning Guide (APG) provides the following information about

®

the Metropolis

AMU, Release 1.0 through 4.0:

• System overview

• Product description

• Features

• Planning network applications

• Quality and reliability

• Product support

• Ordering.

Reason for reissue

This is the fourth issue of this guide for Metropolis®AMU Release 1.0 through 4.0. The following table lists previous release versions and their corresponding features.

Release GA Features

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1.0 August 2004 The following features have been provided in this release.

• One shelf variant with two main and

four option card slots and one shelf variant with one main and one option card slot

• One main unit with pluggable line

interfaces for two STM-1 or two STM-4; supports two extra STM-1 interfaces

• Double width adapter card support for

legacy option cards; LAN board optimized for Ethernet Private Line (X8PL - Option card Ethernet Private Line 8 x E/FE interfaces) cards with LCAS

• 63 x E1 with RJ45 connectors (120

Ω/75 Ω)

• 1 + 1 MSP protection on STM-1/4

interfaces

• DCC for Network Element

management

• Supports cross-connection between

tributary and aggregate interfaces; non-blocking LO connectivity

• MSP Performance Monitoring only

• Local and remote software

downloading

• Supports centralized alarm

management using Wavestar® ITM-CIT

• Supports remote alarm investigation

through Miscellaneous Discrete Inputs (MDI) and Miscellaneous Discrete Outputs (MDO)

• Cross-connect loopbacks for electrical

interfaces

• 2 Mbit/s external synchronization

clock

• Space efficient design for rack

mounting

• Supported by the Wavestar®

ITM-CIT - Release 13.02 and Wavestar® ITM-SC Release 11.3

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2.0 February 2005 The following features have been provided in this release.

• Additional pluggable STM1e

• Additional legacy card support:

– 4 x 10BASE-T/100BASE-TX

(X4IP) – 16 x DS1 – 2xE3 – 2 x DS3

• Main board protection,

VC-12/VC-3/VC-4 SNC/N protection

• Performance Monitoring for

VC-12/VC-3/VC-4, PDH 2Mbit/s frames, and AIS detection

• VPN tagging and provisionable

Ethertype

• Double tagging on LAN ports

• Customer WAN port operation mode

• Increased IEEE VLAN instances

• Ethernet Private Line option card

with 2 x E/FE (TX), 2 x E/FE/GE (TX/optical SFP),4xE1(75/120 Ω)

• Pluggable GE for SX, LX, and ZX

• Ethernet Private Line option card with 4 x E/FE (TX), 32 x E1 (75 Ω)

• External AC/DC power converter

• Supported by Wavestar® ITM-CIT -

Release 14.0, Wavestar® ITM-SC, Release 11.4, Lucent Network Management System (NMS), Release

8.2, Lucent Optical Management System (OMS), Release 3.2.

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About this information product

2.1 Sep 2006 The following features have been provided in this release.

• Bidirectional performance monitoring

for midway points and connection termination points

• AU-4 Non-intrusive bidirectional

monitoring

• TU-12, TU-3, Near-end non-intrusive

monitoring

Note: These features can only be managed by the ITM-SC. For ITM-SC users, these features are only applicable

®

to Metropolis

AMU Release 2.1 and do not include features from subsequent releases.

Note: For ITM-CIT users, the

Metropolis

®

AMU Release 2.1 provides network element software via the Fast Download Tool (FDT). For more information, refer the Metropolis® AMU Installation Guide.

3.0 Jan 2006 The following features have been provided in this release.

• Switched Ethernet option card with 2

x E/FE, 2 x E/FE/GE, and 4 E1 interfaces (75/120 Ω)

• Option card for 8 x STM-1 or 2 x

STM-4

• Link Pass Through (LPT) on

EPL4_E14 - Release 2.0, EPL4_E132_75 - Release 2.0, ESW4_E14 - Release 3.0 option cards

• Supported by the Lucent OMS

Release 4.2 and Wavestar® ITM-CIT

- Release 16.0.

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4.0 August 2006 The following features have been provided in this release:

• Main unit-2xSTM-1/4 and 2 x

STM-4/16 interfaces using SFPs

• STM-16 SFPs

• Performance Monitoring features

The following performance monitoring features have been implemented in this release. – General Purpose Ethernet Monitor – Ethernet Service Monitor – Ethernet Congestion Monitor – Ethernet High Priority Traffic

Monitor

– Ethernet Low Priority Traffic

Monitor

– Ethernet Frame Delay Monitor.

• Advanced TransLAN® features for

the ESW4_E14 option card.

• Supported by the Lucent OMS

Release 5.0 and Wavestar® ITM-CIT

- Release 17.0

Safety information

This information product contains hazard statements for your safety. Hazard statements are given at points where safety consequences to personnel, equipment, and operation may exist. Failure to follow these statements may result in serious consequences.

Intended audience

The Metropolis®AMU Applications and Planning Guide is primarily intended for network planners and engineers. In addition, others who need specific information about the features, applications, operation, and engineering of Metropolis find the information in this manual useful.

How to use this information product

Each chapter of this manual treats a specific aspect of the system and can be regarded as an independent description. This ensures that readers can inform themselves according to their special needs. This also means that the manual provides more information than needed by many of the readers. Before you start reading the manual, it is therefore necessary to assess which aspects or chapters will cover the individual area of interest.

®

AMU may

The following table briefly describes the information presented in each chapter.

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About this information product

Chapter Title Description

About this information product This chapter

• describes the guide’s purpose, intended audience,

and organization

• lists related documentation

• explains how to comment on this document

1 Introduction This chapter

• presents a structure of hazard statements

• provides a high-level product overview

• provides an overview of key features

2 Product description This chapter

• presents the network element overview

• describes the system architecture

• describes supported option cards

• lists technical specifications

3 Features This chapter

• describes the new features that are available in

Metropolis

following topics. – ITM-SC Management

– Performance Monitoring – CWDM SFPs – Bidirectional SFPs – Fast Download Tool

• describes the features of the Metropolis

• describes operations, administration, maintenance,

and provisioning functions (such as alarms, operation interfaces, security, and performance monitoring)

4 Planning network

applications

This chapter

• presents general application options

• recommends network topologies

5 Quality and reliability This chapter

• provides the Lucent Technologies quality policy

• lists the reliability specifications

®

AMU - Release 2.1 and contains the

®

AMU

6 Product support This chapter

• describes engineering and installation services

• explains documentation and technical support

• lists training courses

®

7 Ordering Describes how to order Metropolis

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AMU

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,

About this information product

Chapter Title Description

Appendix A SDH Overview Describes the Synchronous Digital Hierarchy (SDH)

standards for optical signal rates and formats Glossary Defines telecommunication terms and explains abbreviations and acronyms Index Lists specific subjects and their corresponding page numbers

Conventions used

These conventions are used in this document:

Numbering

The chapters of this document are numbered consecutively. The page numbering restarts at “1” in each chapter. To facilitate identifying pages in different chapters, the page numbers are prefixed with the chapter number. For example, page 2-3 is the third page in chapter 2.

Cross-references

Cross-reference conventions are identical with those used for numbering, i.e. the first number in a reference to a particular page refers to the corresponding chapter.

Keyword blocks

This document contains so-called keyword blocks to facilitate the location of specific text passages. The keyword blocks are placed to the left of the main text and indicate the contents of a paragraph or group of paragraphs.

Typographical conventions

Special typographical conventions apply to elements of the graphical user interface (GUI), file names and system path information, keyboard entries, alarm messages etc.

• Elements of the graphical user interface (GUI)

These are examples of text that appears on a graphical user interface (GUI), such as menu options, window titles or push buttons:

Provision{, Delete, Apply, Close, OK (push-button)

–

Provision Timing/Sync (window title)

– – View Equipment Details{ (menu option)

Administration → Security → User Provisioning{ (path for invoking a

–

window)

• File names and system path information

These are examples of file names and system path information: – setup.exe – C:\Program Files\Lucent Technologies

• Keyboard entries

These are examples of keyboard entries:

F1, Esc X, Alt-F, Ctrl-D, Ctrl-Alt-Del (simple keyboard entries)

–

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A hyphen between two keys means that both keys have to be pressed simultaneously. Otherwise, a single key has to be pressed, or several keys have to be pressed in sequence.

copy abc xyz (command)

–

A complete command has to be entered.

• Alarms and error messages

These are examples of alarms and error messages:

Loss of Signal

– – Circuit Pack Failure – HP-UNEQ, MS-AIS, LOS, LOF – Not enough disk space available

Abbreviations

Abbreviations used in this document can be found in the “Glossary” unless it can be assumed that the reader is familiar with the abbreviation.

Related training

For detailed information about the Metropolis®AMU training courses and how to register, please refer to “Training support” (p. 6-11) in this document.

Software Release Description

The Software Release Description (SRD) provides a description of the Network Element software upgrades and is also available with the Metropolis This manual describes Metropolis reasons, some of the documented features may not be available until later software versions. For precise information about the availability of features, please consult the Software Release Description (SRD) that is distributed with the network element software. This information provides the actual product status at the time of software delivery.

Intended use

This equipment shall be used only in accordance with intended use, corresponding installation, and maintenance statements as specified in this documentation. Any other use or modification is prohibited.

®

AMU CD-ROM.

®

AMU Release 1.0 through 4.0. For technical

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About this information product

Optical safety

For a detailed description about Optical safety guidelines, refer the Metropolis®AMU Safety Guide.

IEC Customer Laser Safety Guidelines

Lucent Technologies declares that this product is compliant with all essential safety requirements as stated in IEC 60825-Part 1 and 2 “Safety of Laser Products” and “Safety of Optical Fibre Telecommunication Systems”. Futhermore, Lucent Technologies declares that the warning statements on equipment labels are in accordance with the specified laser radiation class.

Optical Safety Declaration (if laser modules used)

Lucent Technologies declares that this product is compliant with all essential safety requirements as stated in IEC 60825-Part 1 and 2 “Safety of Laser Products” and “Safety of Optical Fiber Telecommunication Systems”. Furthermore, Lucent Technologies declares that the warning statements on equipment labels are in accordance with the specified laser radiation class.

Optical Fiber Communications

This equipment contains an Optical Fiber Communications semiconductor laser/LED transmitter. The following Laser Safety Guidelines are provided for this product.

General Laser Information

Optical fiber telecommunication systems, their associated test sets, and similar operating systems use semiconductor laser transmitters that emit infrared (IR) light at wavelengths between approximately 800 nanometers (nm) and 1600 nm. The emitted light is above the red end of the visible spectrum, which is normally not visible to the human eye. Although the radiant end at near-IR wavelengths is officially designated invisible, some people can see the shorter wavelength energy even at power levels that are several orders of magnitude below any levels that have been shown to cause injury to the eye.

Conventional lasers can produce an intense beam of monochromatic light. The term “monochromaticity” means a single wavelength output of pure color that may be visible or invisible to the eye. A conventional laser produces a small-size beam of light, and because the beam size is small the power density (also called irradiance) is very high. Consequently, lasers and laser products are subject to federal and applicable state regulations, as well as international standards, for their safe operation.

A conventional laser beam expands very little over distance, or is said to be very well collimated. Thus, conventional laser irradiance remains relatively constant over distance. However, lasers used in lightwave systems have a large beam divergence, typically 10 to 20 degrees. Here, irradiance obeys the inverse square law (doubling the distance reduces the irradiance by a factor of 4) and rapidly decreases over distance.

Lasers and Eye Damage

The optical energy emitted by laser and high-radiance LEDs in the 400-1400 nm range may cause eye damage if absorbed by the retina. When a beam of light enters the eye,

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the eye magnifies and focuses the energy on the retina magnifying the irradiance. The irradiance of the energy that reaches the retina is approximately 105, or 100,000 times more than at the cornea and, if sufficiently intense, may cause a retinal burn.

The damage mechanism at the wavelengths used in an optical fiber telecommunications is thermal in origin, i.e., damage caused by heating. Therefore, a specific amount of energy is required for a definite time to heat an area of retinal tissue. Damage to the retina occurs only when one looks at the light long enough that the product of the retinal irradiance and the viewing time exceeds the damage threshold. Optical energies above 1400 nm cause corneal and skin burns, but do not affect the retina. The thresholds for injury at wavelengths greater than 1400 nm are significantly higher than for wavelengths in the retinal hazard region.

Classification of Lasers

Manufacturers of lasers and laser products in the U.S. are regulated by the Food and Drug Administration’s Center for Devices and Radiological Health (FDA/CDRH) under 21 CFR 1040. These regulations require manufacturers to certify each laser or laser product as belonging to one of four major Classes: I, II, lla, IlIa, lllb, or IV. The International Electro-technical Commission is an international standards body that writes laser safety standards under IEC-60825. Classification schemes are similar with Classes divided into Classes 1, 1M, 2, 2M, 3R, 3B, and 4. Lasers are classified according to the accessible emission limits and their potential for causing injury. Optical fiber telecommunication systems are generally classified as Class I/1 because, under normal operating conditions, all energized laser transmitting circuit packs are terminated on optical fibers which enclose the laser energy with the fiber sheath forming a protective housing. Also, a protective housing/access panel is typically installed in front of the laser circuit pack shelves The circuit packs themselves, however, may be FDA/CDRH Class I, IIIb, or IV or IEC Class 1, 1M, 3R, 3B, or 4.

Laser Safety Precautions for Optical Fiber Telecommunication Systems

In its normal operating mode, an optical fiber telecommunication system is totally enclosed and presents no risk of eye injury. It is a Class I/1 system under the FDA and IEC classifications.

The fiber optic cables that interconnect various components of an optical fiber telecommunication system can disconnect or break, and may expose people to laser emissions. Also, certain measures and maintenance procedures may expose the technician to emission from the semiconductor laser during installation and servicing. Unlike more familiar laser devices such as solid-state and gas lasers, the emission pattern of a semiconductor laser results in a highly divergent beam. In a divergent beam, the irradiance (power density) decreases rapidly with distance. The greater the distance, the less energy will enter the eye, and the less potential risk for eye injury. Inadvertently viewing an un-terminated fiber or damaged fiber with the unaided eye at distances greater than 5 to 6 inches normally will not cause eye injury, provided the power in the fiber is less than a few milliwatts at the near IR wavelengths and a few tens of milliwatts at the far IR wavelengths. However, damage may occur if an optical instrument such as a microscope, magnifying glass, or eye loupe is used to stare at the energized fiber end.

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About this information product

Use of controls, adjustments, and procedures other than those specified herein may result in hazardous laser radiation exposure.

Laser Safety Precautions for Enclosed Systems

Under normal operating conditions, optical fiber telecommunication systems are completely enclosed; nonetheless, the following precautions shall be observed:

1. Because of the potential for eye damage, technicians should not stare into optical connectors or broken fibers

2. Under no circumstance shall laser/fiber optic operations be performed by a technician before satisfactorily completing an approved training course

3. Since viewing laser emissions directly in excess of Class I/1 limits with an optical instrument such as an eye loupe greatly increases the risk of eye damage, appropriate labels must appear in plain view, in close proximity to the optical port on the protective housing/access panel of the terminal equipment.

CAUTION

Laser hazard

Laser Safety Precautions for Unenclosed Systems

During service, maintenance, or restoration, an optical fiber telecommunication system is considered unenclosed. Under these conditions, follow these practices:

1. Only authorized, trained personnel shall be permitted to do service, maintenance and restoration. Avoid exposing the eye to emissions from un-terminated, energized optical connectors at close distances. Laser modules associated with the optical ports of laser circuit packs are typically recessed, which limits the exposure distance. Optical port shutters, Automatic Power Reduction (APR), and Automatic Power Shut Down (APSD) are engineering controls that are also used to limit emissions. However, technicians removing or replacing laser circuit packs should not stare or look directly into the optical port with optical instruments or magnifying lenses. (Normal eye wear or indirect viewing instruments such as Find-R-Scopes are not considered magnifying lenses or optical instruments.)

2. Only authorized, trained personnel shall use optical test equipment during installation or servicing since this equipment contains semiconductor lasers (Some examples of optical test equipment are Optical Time Domain Reflectometers (OTDR’s), Hand-Held Loss Test Sets.)

3. Under no circumstances shall any personnel scan a fiber with an optical test set without verifying that all laser sources on the fiber are turned off

4. All unauthorized personnel shall be excluded from the immediate area of the optical fiber telecommunication systems during installation and service.

Consult ANSI Z136.2, American National Standard for Safe Use of Lasers in the U.S.; or, outside the U.S., IEC-60825, Part 2 for guidance on the safe use of optical fiber optic communication in the workplace.

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Technical Documentation

The technical documentation as required by the Conformity Assessment procedure is kept at Lucent Technologies location which is responsible for this product. For more information, please contact your local Lucent Technologies representative.

How to order

This information product can be ordered with the order number 365-312-847R4.0 at the Customer Information Center (CIC), see http://www.cic.lucent.com/.

An overview of the ordering process and the latest software & licences information is provided in Chapter 7, “Ordering” of this manual.

How to comment

To comment on this information product, go to the Online Comment Form (http://www.lucent-info.com/comments/enus/) or e-mail your comments to the Comments Hotline (comments@lucent.com).

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1 1Introduction

Overview

...................................................................................................................................................................................................................................

Purpose

This chapter introduces the Metropolis®AMU.

Contents

Structure of hazard statements 1-2 System overview 1-4

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1-1

Introduction

Structure of hazard statements

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Overview

Hazard statements describe the safety risks relevant while performing tasks on Lucent Technologies products during deployment and/or use. Failure to avoid the hazards may have serious consequences.

General structure

Hazard statements include the following structural elements:

Item Structure element Purpose

1 Personal injury symbol Indicates the potential for personal injury

(optional) 2 Hazard type symbol Indicates hazard type (optional) 3 Signal word Indicates the severity of the hazard 4 Hazard type Describes the source of the risk of damage or

injury 5 Damage statement Consequences if protective measures fail 6 Avoidance message Protective measures to take to avoid the hazard 7 Identifier The reference ID of the hazard statement

(optional)

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Introduction

Signal words

Structure of hazard statements

The signal words identify the hazard severity levels as follows:

Signal word Meaning

DANGER Indicates an imminently hazardous situation (high risk) which, if

not avoided, will result in death or serious injury.

WARNING Indicates a potentially hazardous situation (medium risk) which,

if not avoided, could result in death or serious injury.

CAUTION When used with the personal injury symbol:

Indicates a potentially hazardous situation (low risk) which, if not avoided, may result in personal injury.

When used without the personal injury symbol:

Indicates a potentially hazardous situation (low risk) which, if not avoided, may result in property damage, such as service interruption or damage to equipment or other materials.

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Introduction

System overview

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The Metropolis®AMU is a high capacity, flexible and cost-effective wideband multiplexer which can multiplex standard PDH and SDH bit rates as well as Ethernet signals to line transport rates. In addition to a compact and flexible design, this system is a useful element in building efficient and flexible networks due to its wide-ranging capacity.

The 2m/4o version can be equipped with 2 main boards and upgraded with 4 option cards as described in Chapter 2, “Product description” and thus be adapted to special network requirements. The 1m/1o version can hold 1 main board and upgraded with one option board. The 2m/4o version holds two slots for main cards where operation with either one or two main cards is possible. The second main card can be operated as an additional tributary card or as main card equipment protection. The system provides the ability to add one option card.

®

In the access network, the Metropolis

AMU can be installed at the customer premises for fiber-to-the-business applications enabling a variety of configurations. Other applications include LAN-to-LAN traffic on campus networks or WANs.

Applications

®

The Metropolis

AMU MI-16/4 is an SDH STM-1/4 and STM-4/16 Terminal or Add-Drop-Multiplexer optimized to provide various tributary services such as STM-1/4, 1.5 Mbit/s, 2 Mbit/s, 34 Mbit/s, 45 Mbit/s, STM-1e, STM-4, 1000BASE-T/X and 10/100BASE-T, to business and residential customers. The MI-14/4 main card is an SDH STM-1/4 and STM-1 Terminal or Add/Drop Multiplexer and provides various tributary services such as STM-1, 1.5 Mbit/s, 2 Mbit/s, 34 Mbit/s, 45 Mbit/s, STM-1e, STM-4, 1000BASE-T/X and 10/100BASE-T.

®

The standard Metropolis multirate STM-1/4 or STM-4/16 interfaces using SFPs. The Metropolis

AMU MI-16/4 main card can be equipped with two

®

AMU MI-14/4 main card can be equipped with two multirate STM-1/STM-4 and two STM-1 interfaces. When required, the main card can be equipped with SFPs for STM-1 or STM-4 single fiber working and STM-1e. The equipment is capable of 1+1 MSP protection and SNC/N protection.

®

The space-efficient design of Metropolis more information, please refer to the Metropolis

AMU allows for wall or rack mounting. For

®

AMU Installation Guide.

The network applications can be found in Chapter 4, “Planning Network Applications”.

Management

The Metropolis®AMU is managed by network management systems from Lucent Technologies. This includes the local craft terminal ITM-CIT which is available for on-site tasks, remote operations, and maintenance activities. Lucent’s Network Management Systems or the Lucent NMS enable integrated management of an entire transport network.

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Introduction

Interworking

System overview

The Metropolis®AMU is a part of the Metropolis®AMU suite, which is a multi-service platform for next generation transmission products and have the prefix “Metropolis” in their names. The system can be deployed together with other products,

®

for example Metropolis

AM / Metropolis®AMS. This makes Metropolis®AMU one

of the main building blocks for today’s and future networks. Please check with Lucent Technologies for a complete list of products that are able to

®

interwork with Metropolis

AMU.

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2 2Product description

Overview

...................................................................................................................................................................................................................................

Purpose

This chapter describes the Metropolis®AMU.

Chapter structure

After a description of the hardware design and system architecture, the option cards are

®

presented. It is then followed by the technical specifications of the Metropolis

AMU.

Contents

Hardware overview of the Metropolis®AMU 2-2 Introduction 2-2 System Architecture 2-11 Introduction 2-11 Option cards 2-15 Introduction 2-15 Technical specifications 2-32 System specifications 2-33 Performance Monitoring 2-51 Advanced TransLAN® Features 2-57

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Product description

Hardware overview of the Metropolis®AMU

Introduction

...................................................................................................................................................................................................................................

The Metropolis®AMU is a high capacity, flexible and cost-effective wideband multiplexer which can multiplex standard PDH and SDH bit rates as well as Ethernet

®

signals to line transport rates. The Metropolis enabling cost-effective STM-1, STM-4, and STM-16 Add/Drop Multiplexer solutions. Several mechanical variants are defined to target specific applications. One set of boards is used across the various mechanical configurations of the Metropolis

Its space-efficient design allows for vertical (2m/4o and 1m/1o version) or horizontal (1m/1o version) installation within controlled environment locations (interior ETSI and 19” racks). Note that the 2m/4o and 1m/1o versions and all the option cards used in these versions support hot pluggable card insertion. The 2m/4o configuration allows the placement of two systems side-by-side in a 19-inch or ETSI rack. The 1m/1o configuration allows the placement of up to 5 systems side-by-side. Please refer to the

®

Metropolis

AMU Installation Guide for details.

AMU is a compact SDH Multiplexer,

®

AMU.

2m/4o version

The Metropolis®AMU 2m/4o version has 6 slots (2x main and 4x tributary) and is optimized for high capacity and protected Central Office applications. The first and second main units can be plugged into the two main slots that are provided with a 2m/4o configuration. Note that when a single main unit is used, it must be plugged

®

into the Main-1 slot. In the Metropolis

AMU 2m/4o configuration, a second main

card can be fitted for high-availability configurations or to increase the capacity for

®

STM line interfaces. Most of the existing Metropolis

AMU option boards can be

fitted via an adapter card, which occupies two tributary slots.

TRIB-2

TRIB-3

MAIN-1

TRIB-1

MAIN-2

TRIB-4

Start-up configuration - 1m/1o version

The Metropolis®AMU 1m/1o version has 2 slots (1x main and 1x tributary) and is targeted for CPE and unprotected applications. The main unit can be plugged into the main slot of a 1m/1o configuration.

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Introduction

TRIB

MAIN

The Metropolis®AMU start-up configuration (1m/1o version) already supports 2 cages for hot-pluggable STM-1 or STM-4 interfaces and 2 cages for hot-pluggable STM-4 or STM-16 interfaces. Note that the MI-16/4 provides two STM-1/4 interfaces and two STM-4/16 interfaces. The MI-14/4 provides two STM-1/4 interfaces and two interfaces for STM-1, STM-1e or STM-1 single fiber working interfaces.

Note that the adapter card cannot be used in the 1m/1o shelf as it occupies two slots.

Subrack front view

The following figures display the Metropolis®AMU versions. Given below is the MI-16/4 - 2m/4o version.

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Introduction

The following figure displays the MI-16/4 - 1m1/o version.

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The following figure displays the MI-14/4 - 2m/4o version.

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Introduction

The following figure displays the MI-14/4 - 1m/1o version.

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Metropolis

®

AMUAMU Main board - MI-16/4

The MI-16/4 main card provides the following functionality:

• 2 multirate STM-4/STM-16 interfaces using pluggable SFPs

• 2 multirate STM-1/STM-4 interfaces using pluggable SFPs

• Non-blocking 174 x 174 VC-4 cross-connect between both main cards and four

tributary cards (2m/4o unit). Supports VC-4 payloads.

• Non-blocking 48 x 48 VC-4 equivalents for VC-12/VC-3 cross-connections

• Timing functions with external synchronization input and output

• Power supply filter and dual power interfaces for power consumption by the

complete shelf including the main unit

• System controller with external interfaces for Q-LAN, G-LAN, ITM-CIT,

MDI/MDO, and 2 x USB ports for external devices

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• Termination of DCC channels associated with STM-N interfaces - 40 DCC for the

Multiplex section and 40 DCC for the Regenerator section.

• V.11 EOW interface

• Real time clock function.

®

The following figure describes the front panel of the Metropolis

AMU MI-16/4 main

board with the supported SFP rates.

Legend:

A Power supply B G-LAN, Q-LAN, Station clock, Lucent’s Network Management

Systems or Lucent NMS, ITM-CIT C Fail LED: Unit failure indicator D Active LED: Unit activity indicator

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E Reset button F EOW G MDI/MDO H USB I Aggregate STM-4/STM-16 optical interfaces J Aggregate STM-1/STM-4 optical interfaces

Introduction

Metropolis

®

AMU AMU Main board - MI-14/4

The MI-14/4 main card provides the following functionality:

• 2 multirate STM-1/STM-4 interfaces using pluggable SFPs

• 2 STM-1 interfaces using pluggable SFPs including STM-1e and STM-1 single

fiber working interfaces

• Non-blocking 76 x 76 VC-4 cross-connect between both main cards and four

tributary cards (2m/4o unit). Supports VC-4 payloads.

• Non-blocking 16 x 16 VC-4 equivalents for VC-12/VC-3 cross-connections

• Timing functions with external synchronization input and output

• Power supply filter and dual power interfaces for power consumption by the

complete shelf including the main unit

• System controller with external interfaces for Q-LAN, G-LAN, ITM-CIT,

MDI/MDO, and 2 x USB ports

• Termination of DCC channels associated with 32 STM-N interfaces - 16 DCC for

the Multiplex section and 16 DCC for the Regenerator section.

• V.11 EOW interface

• Real time clock function

®

The following figure describes the front panel of the Metropolis

AMU MI-14/4 main

card with the supported SFP rates.

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Main board

STM-1/STM-4

STM-1

Note that a combination of the MI-16/4 and MI-14/4 is not supported.

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System Architecture

Introduction

...................................................................................................................................................................................................................................

The following sections describe the equipment architecture and the architecture and functions of the option cards.

Functional building blocks

The different functions provided by the MI-16/4 and MI-14/4 main cards are:

• Microprocessor and control circuits that manage different board elements, interfaces

(F-interface, LAN-Q, T3), and LEDs.

• MI-16/4: Four STM-N (N=1, 4, 16) optical aggregate interfaces using SFPs for 2 x

STM-4/STM-16 and 2 x STM-1/STM-4 transmission. Upto 16 VC-4s are supported on TS1. MI-14/4: Four STM-N (N=1, 4) optical aggregate interfaces for SFP usage of two STM-1/STM-4 multirate and two STM-1 single rate types.

• In the transmit direction, the Line Interface performs the collection of AU4s and

the STM-N assembly. It performs RSOH/MSOH insertion.

• In the receive direction, the STM-N Line Interface performs the STM-N

disassembly, the RSOH/MSOH extraction, sixteen, four or one AU4 management, and the regeneration of data transmitted to the Higher Order (HO) Cross-connect.

• The HO Cross-connect also performs Tansparent DCC processing. DCC bytes are

bi-directionally cross-connected in the VC-4 matrix and is processed through the section overhead cross-connect towards the TDM interfaces.

The following diagram illustrates the MI-16/4 (2m/4o version) system architecture.

The following diagram illustrates the MI-16/4 (1m/1o version) system architecture.

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The following diagram illustrates the MI-14/4 (2m/4o version) system architecture.

The following diagram illustrates the MI-14/4 (1m/1o version) system architecture.

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Cross-connect transmission flexibility

Introduction

The following table provides a comparitive description of the MI-16/4 and MI-14/4 cross-connect matrix.

MI-16/4 MI-14/4

HO cross-connect capabilities:

• 174 x 174 VC-4s

• includes 40 VC-4s on the line side, 40

aggregate VC-4s, and 46 VC-4s to the tributary slots

LO cross-connect capabilities:

• Non-blocking 48 x 48 VC-4

equivalents

or

• up to 192 x 192 VC-3s

or

• up to 3024 x 3024 VC-12s Loopbacks on incoming STM-N optical

signals via the cross-connect matrix Up to 40 DCN channels Up to 16 DCN channels

HO cross-connect capabilities:

• 76 x 76 VC-4s are used for4x10

tributaries,1x10main, 2 x STM-4, 2 x STM-1

LO cross-connect capabilities:

• 16 x 16 VC-4 equivalents

or

• 48 x 48 VC-3s

or

• 1008 x 1008 VC-12s

Loopbacks on incoming STM-N optical signals via the cross-connect matrix

4 STM-N line interfaces with RS and MS bytes processing; two multi-rate STM-4 or STM-16 and two multi-rate STM-1 or

4 STM-N line interfaces with RS and MS bytes processing; two multi-rate STM-1 or STM-4 and two STM-1 only.

STM-4.

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MI-16/4 MI-14/4

16 VC-4s supported on TS 1 in the 2m/4o and 1m/1o versions. 3 sets of interfaces support hot-pluggable tributary slots: each set supports a transport capacity of 10 VC-4s.

One interface between the main cards which provides a transport capacity of 10 VC-4s.

4 sets of interfaces to support hot-pluggable tributary slots: each set supports a transport capacity of 10 VC-4s.

One interface between the main cards which provides a transport capacity of 10 VC-4s.

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Option cards

Introduction

...................................................................................................................................................................................................................................

This section describes the option cards which can be used together with Metropolis AMU in order to provide interfaces for various data rates or special applications.

PI-E1/63 and PI-E1/63_75 option cards

The PI-E1/63 and PI-E1/63_75 option cards provide 63 times 2 Mbit/s (E1) terminated on 32 RJ-45 connectors for the use of twisted pair cables (120 Ω version) and coaxial cable (75 Ω version). It is available in 75 Ω and 120 Ω versions.

The following figure displays the front panel of the PI-E1/63 option card.

®

EPL4_E14 option card

Interfaces

On the faceplate the EPL4_E14 card provides:

• Two cages for Small Form-factor Pluggable (SFP) optical transceivers which

support 1000Base-X

• Two RJ45 connectors for triple rate Ethernet (10/100/1000Base-T)

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• Two RJ45 connectors for dual rate Ethernet (10/100Base-T)

• Two RJ45 connectors for four E1 interfaces with 75 / 120 Ω (Selection can be

made on port level via the user interface; default is 120 Ω.)

The EPL4_E14 unit provides 4 ethernet ports. Two of these (5 and 6) support 10/100 Base-T line rates while the other two (pairs 7/8 and 9/10) are multirate ports capable of 10/100/1000 Base-T/-X. For these ports, the selection between 1000 Base-T (electrical interfaces 8 and 9) and 1000 Base-X (optical interfaces 7 and 10) has to be done via the NMS. This selection can be done independently for each Port. When an optical port is in use, the electrical counterpart is inactive and vice versa. Each connector and each SFP has its own green LED (data link up: LED ON or down: LED OFF) and yellow LED (transmission: LED ON or no transmission: LED OFF).

The following figure shows the front panel of the EPL4_E14 option card.

EPL4_E14

1

E1

4

FAIL

5

E/FE

6

Rx

7

GE

Tx

8

E/FE/GE

9

Rx

GE

10

Tx

Lucent

The EPL_4_E14 option card is able to compensate a maximum delay difference of 128 ms between the fastest and the slowest VC in receive direction.

Link Capacity Adjustment Scheme (LCAS)

The EPL4_E14 option card supports a flexible allocation of SDH bandwidth to LAN ports by making use of the Link Capacity Adjustment Scheme (LCAS, see “LCAS”

(p. 3-22)). All LAN ports have the same capabilities. Each WAN port supports

VC-12-Xv (X = 1...63), VC-3-Xv (X = 1...9), VC-4-Xv (X=1..7).

GFP Encapsulation

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GFP provides a generic mechanism to adapt traffic from higher-layer client signals over a transport network. GFP encapsulation is implemented according to T1X1.5/2000-147.

The following GFP encapsulation are possible with EPL4_E14:

• Mapping of Ethernet MAC frames into Lower Order SDH VC12–Xv (X = 1...63)

• Mapping of Ethernet MAC frames into Lower Order SDH VC3–Xv (X = 1...9)

• Mapping of Ethernet MAC frames into Higher Order SDH VC4–Xv (X=1..7)

LAPS encapsulation is implemented according to ITU-T X.86.

Advanced rate control

The EPL4_E14 option card supports advanced rate control in the ingress and egress direction which allows to set a strict traffic limit (PIR), in combination with a hold-off mechanism: Excess traffic is held off until the ingress or egress buffer overflows. In case the ingress buffer fills above a certain threshold, pause messages are sent in the reverse direction to hold off further traffic. This behaviour improves the TCP throughput. Note that Pause messages can be only sent when the Pause mode is enabled via the Lucent NMS.

Link Pass Through (LPT)

The EPL4_E14 option card supports the Link Pass Through (LPT) mode. On point-to-point Ethernet Private Line connections, when GFP data encapsulation is used throughout the network, the system identifies defects from the network ingress port to the network egress port. The GFP-CSF mechanism is used to notify the egress side that a loss of signal (synchronization) has occurred on the ingress port. Consequently, the egress side can either turn off the laser at the egress (in case of an optical level) or substitute an error pattern (for example, a /V/ ordered set for a 1000BASE-X). In addition, an alarm is raised at the egress side which indicates the ingress side condition. For more information about Link Pass Through, please refer to (LPT, see

“LPT” (p. 3-23)). For additional information, please refer the TransLAN® Ethernet

SDH Transport Solution Applications and Planning Guide. The EPL4_E14 option card supports Auto MDI/MDIX selection on all LAN ports.

Transmission rates

The following rates are supported with EPL4_E14:

• Mapping Ethernet packets into VC12-Xv (X = 1...63)

• Mapping Ethernet packets into VC3-Xv (X = 1...9)

• Mapping Ethernet packets into VC4-Xv (X=1..7)

Flexible bandwidth assignment

The transmission capacity of the EPL4_E14 option card towards the cross-connect matrix is 8 x VC4s. These can be freely assigned to 4 VCGs. There is a fixed 1:1 relationship from the 4 Ethernet ports to the 4 VCGs. For an illustrated description, see

“EPL4_E14 option card” (p. 2-18).

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From the 8 VC-4s, two can be individually substructured to VC-12s to provide upto 2 x 63 VC-12s. In this case, the first 4 VC-12s are reserved for the E1 ports. Note that in case E1 interfaces are used, the first VC-4 needs to be substructured, otherwise, they are not available. In addition, 3 VC-4s can be individually substructured to VC-3, thereby providing a total of 9 VC-3s.

The remaining 3 VC-4s cannot be substructured. For each of the 4 VCGs, a selection can be made between VC-12-Xv (X=1-63), VC-3-Xv (X=1-9), and VC-4-Xv (X=1-7), based on the total number of containers that are available for each type.

The following diagram illustrates the VC/VCG mapping for the EPL4_E14 option card.

Jumbo frame support

The EPL4_E14 option card supports overlength Ethernet frames (also known as Jumbo frames) on LAN ports 7, 8, and 9, 10.

EPL4_E132_75 option card

Interfaces

On the faceplate the EPL4_E132_75 board provides:

• Four RJ45 connectors for dual rate Ethernet (10/100Base-T)

• Sixteen RJ45 connectors to cover 32 E1 interfaces with 75 Ω only (2x E1 per

RJ45)

All four Ethernet RJ45 connectors have their own green and yellow LED which indicates a LAN connection and traffic flow respectively.

The following figure shows the front panel of the EPL4_E132_75 option card.

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1 EPL4_E132_75

2

FAIL

8

Introduction

4

3 2

33

E/FE

34

35

E/FE

36

Lucent

Link Capacity Adjustment Scheme (LCAS)

The EPL4_E132_75 option card supports a flexible allocation of SDH bandwidth to LAN ports by making use of the Link Capacity Adjustment Scheme (LCAS, see

“LCAS” (p. 3-22)). All LAN ports have the same capabilities. Each WAN port

supports VC-12-Xv (X = 1...63), VC-3-Xv (X = 1...9), VC-4-Xv (X=1..7). The EPL_4_E132_75 option card is able to compensate a maximum delay difference of

128 ms between the fastest and the slowest VC in receive direction.

GFP encapsulation

GFP provides a generic mechanism to adapt traffic from higher-layer client signals over a transport network. GFP encapsulation is implemented according to T1X1.5/2000-147.

The following GFP encapsulation are possible with EPL4_E132_75:

• Mapping of Ethernet MAC frames into Lower Order SDH VC12–Xv (X = 1...63)

• Mapping of Ethernet MAC frames into Lower Order SDH VC3–Xv (X = 1...9)

• Mapping of Ethernet MAC frames into Higher Order SDH VC4–Xv (X=1..7)

LAPS encapsulation is implemented according to ITU-T X.86.

Advanced rate control

The EPL4_E132_75 option card supports advanced rate control in the ingress and egress direction which allows to set a strict traffic limit (PIR), in combination with a hold-off mechanism: Excess traffic is held off until the ingress or egress buffer

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overflows. In case the ingress buffer fills above a certain threshold, pause messages are sent in the reverse direction to hold off further traffic. This behaviour improves the TCP throughput. Note that Pause messages are only sent when the Pause mode is enabled via the Lucent NMS.

Auto-negotiation

The EPL4_E132_75 option card supports Auto-negotiation. The Auto-negotiation function automatically configures the Ethernet interface parameters to establish an optimal Ethernet link based on the capabilities of the near-end and far-end Ethernet interfaces.

Auto-negotiation for twisted-pair systems, defined in Clause 28 of the Standard

802.3-2002, has been extended to include all three speeds of Ethernet that are supported over twisted-pair cable: 10Mbit/s 10Base-T, 100Mbit/s 100Base- TX, and 1000 Mbit/s 1000Base-T. For more information about Auto-negotiation support, please

®

refer to the Metropolis

Link Pass Through (LPT)

AMU User Operations Guide.

The EPL4_E132_75 option card supports the Link Pass Through (LPT) mode. On point-to-point Ethernet Private Line connections, when GFP data encapsulation is used throughout the network, the system identifies defects from the network ingress port to the network egress port. The GFP-CSF mechanism is used to notify the egress side that a loss of signal (synchronization) has occurred on the ingress port. An alarm is raised at the egress side which indicates the ingress side condition. For more information, please refer to (see LPT, “LPT” (p. 3-23)). For additional information, please also refer to the TransLAN® Ethernet SDH Transport Solution Applications and Planning Guide.

The EPL4_E132_75 option card supports Auto MDI/MDIX selection on all LAN ports.

Transmission rates

The following rates are supported with EPL4_E132_75:

• Mapping Ethernet packets into VC12-Xv (X = 1...63)

• Mapping Ethernet packets into VC3-Xv (X = 1...9)

• Mapping Ethernet packets into VC4-Xv (X=1..7)

Flexible bandwidth assignment

The transmission capacity of the EPL4_E132_75 option card towards the cross-connect matrix is 9 x VC-4s. One VC-4 is reserved for the 32 E1 ports and is not available for the VCGs. The remaining 8 VC-4s can be freely assigned to 4 VCGs. There is a fixed 1:1 relationship from the 4 Ethernet ports to the 4 VCGs. For an illustrated description, see (see fig. on page 2-17).

From the 8 VC-4s, two can be individually substructured to VC-12s, thereby providing upto 2 x 63 VC-12s. In this case, the first 4 VC-12s of the first VC-4 remain unused.

In addition, 3 VC-4s can be individually substructured to VC-3s, providing a total of 9 VC-3s. The remaining 3 VC-4s cannot be substructured. For each of the 4 VCGs, a

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selection can be made between VC-12-Xv (X=1-63), VC-3-Xv (X=1-9), and VC-4-Xv (X=1-7), based on the total number of containers that are available for each type.

The VC/VCG mapping is shown in the following figure:

Jumbo Frame support

The EPL4_E132_75 option card supports overlength Ethernet frames (also known as Jumbo frames) on LAN ports 35 and 36.

ESW4_E14 option card

Interfaces

On the faceplate, the ESW4_E14 card provides:

• Two LAN ports for Small Form-factor Pluggable (SFP) optical transceivers which

support 1000Base-X optical SFPs or can be used as 10/100/1000BASE-T electrical ports using RJ-45 connectors.

• Two LAN ports for dual rate Ethernet (10/100Base-T) using RJ-45 connectors.

• Two RJ-45 connectors on the faceplate for four E1 interfaces with 75/120 Ω

(Selection can be made on port level via the user interface; default is 120 Ω).

The ESW4_E14 option card provides 4 Ethernet ports. Two of these (5 and 6) support 10/100 Base-T line rates, while the other two (pairs 7/8 and 9/10) are multirate and capable of 10/100/1000 Base-T/-X rates. For these ports, the selection between 1000 Base-T (electrical interfaces 8 and 9) and 1000 Base-X (optical interfaces 7 and 10) must be done via the ITM-CIT. This selection can be done independently for each Port. When an optical port is in use, the electrical counterpart is inactive and vice versa.

Each connector and each SFP has its own green LED (data link up: LED ON or down: LED OFF) and yellow LED (transmission: LED ON or no transmission: LED OFF).

The total transmission backplane capacity is 16 x VC-4s. This capacity is only available in combination with an MI-16/4 main card, provided the ESW4_E14 card is placed in the first slot (TS1). In any other slot or when combined with the MI-14/4 main card, the maximum useable capacity is 10 x VC-4s.

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The following figure shows the front panel of the ESW4_E14 option card.

Transmission rates

The following transmission rates are supported with ESW4_E14:

• Mapping Ethernet packets into VC12-Xv (X = 1...63)

• Mapping Ethernet packets into VC3-Xv (X = 1...21)

• Mapping Ethernet packets into VC4-Xv (X = 1...7)

Flexible bandwidth assignment

When the ESW4_E14 option card is inserted in tributary slot 1 of a 2m/4o or 1m/1o version and the main unit is an M1-16/4, the total capacity of the unit is equivalent to 16 VC4s (2.5 Gbit/s) with which up to eight VCGs can be created and each VCG can be assigned to a WAN port. For WAN ports 1 though 4, a capacity of eight VC4s (1 through 8) is available. By default, the 1st and 2nd VC4s are substructured in VC12s. Similarly, the 3rd, 4th, and 5th VC4s are substructured as VC3s. Optionally, the 1st to 5th VC4s can be changed to unstructured VC4. The 6th, 7th, and 8th VC4s can only be used as VC4s. As a result, VC12-Xv (X=1..63), VC3-Xv (X=1..9) and/or VC4-Xv (X=1..7) groups can be created from at most 122 VC12s, 9 VC3s or 8 VC4s.

For WAN ports 5 through 8, a capacity of eight VC4s (9 though 16) is available. Of these 8 VC4s, the 9th and 10th VC-4 are substructured in VC12s and the 11th, 12th, and 13th VC4 are substructured in VC3s, by default. Optionally, the 9th to 13th VC4s can be changed to unstructured VC4. The VC4s 14 through 16 can only be used as VC4s. As a result, VC12-Xv (X=1..63), VC3-Xv (X=1..9) and/or VC4-Xv (X=1..7) groups can be created from at most 126 VC12s, 9 VC3s or 8 VC4s.

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Note that if the E1 interfaces are used, four VC12s of the first VC4 must be reserved for E1 transport. In this case, it is mandatory to substructure the first VC4 to carry 63 VC12s.

The system automatically detects if the combination of slot number, main unit, and tributary unit allows 16 VC4 backplane capacity. No provisioning is required.

The following VC/VCG mapping diagram displays bandwidth selection options for the WAN ports 1, 2, 3, and 4.

The following VC/VCG mapping diagram displays the bandwidth selection options for the WAN ports 5, 6, 7, and 8.

Jumbo frame support

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The ESW4_E14 option card supports overlength Ethernet frames (also known as Jumbo frames) on all LAN ports and on WAN ports 3, 4, 7, and 8.

The ESW4_E14 option card can compensate a maximum delay difference of 64 ms between the fastest and the slowest VC in receive direction.

Enhanced flow classification

The ESW4_E14 option card supports Enhanced Flow Classification - 802.1Q mode and

802.1 ad mode. It supports the Flow Control and Pause Frames feature on LAN ports and provides Wire speed performance for forwarding, flooding, address look-up, and flow look-up requirements. The flow classifcation is based on port and priority, port and port, and port and VLAN-ID. The flow classification can be checked on a flexible set of combinations such as IP_TOS, VLAN-ID, VLAN-UPT, and DA-MAC. The flow bucket can be set to handle 8k to 16k. However, an increased flow bucket size will decrease performance. The ESW4_E14 option card is IEEE802.1Q/1ad compliant and supports VLAN and/or ETHER_TYPE switching and adding or removing VLAN tags.

Auto-negotiation

The ESW4_E14 option card supports Auto-negotiation. The Auto-negotiation function automatically configures the Ethernet interface parameters to establish an optimal Ethernet link based on the capabilities of the near-end and far-end Ethernet interfaces.

Auto-negotiation for twisted-pair systems, defined in Clause 28 of the Standard

802.3-2002, has been extended to include all three speeds of Ethernet that are supported over twisted-pair cable: 10Mbit/s 10Base-T, 100Mbit/s 100Base- TX, and 1000 Mbit/s 1000Base-T. For more information about Auto-negotiation, please refer to

®

the Metropolis

Link Capacity Adjustment Scheme (LCAS)

AMU User Operations Guide.

The ESW4_E14 option card supports a flexible allocation of SDH bandwidth to LAN ports by making use of the Link Capacity Adjustment Scheme (LCAS, see “LCAS”

(p. 3-22)). All LAN ports have the same capabilities. Each WAN port supports

VC-12-Xv (X = 1...63), VC-3-Xv (X = 1...9), VC-4-Xv (X = 1...7).

Repeater mode

For units containing Ethernet switches, it is possible to emulate the behaviour of a private line port by creating a two-port virtual switch, with one LAN and one WAN port and provision it in Repeater Mode. This feature can be implemented in both Ethertype 8100 and Ethertype 9100 mode. In this mode, all traffic from the LAN or WAN side is transparently passed through, except the pause messages. The Pause protocol operates on the LAN interface and therefore, transmission without loss can be obtained if the peer node on the LAN link obeys the commands contained in pause messages.

GFP encapsulation

GFP provides a generic mechanism to adapt traffic from higher-layer client signals over a transport network. GFP encapsulation is implemented according to T1X1.5/2000-147.

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The following GFP encapsulation are possible with ESW4_E14:

• Mapping Ethernet MAC frames into Lower Order SDH VC12-Xv (X = 1...63)

• Mapping Ethernet MAC frames into Lower Order SDH VC3-Xv (X = 1...21)

• Mapping Ethernet MAC frames into Higher Order SDH VC4-Xv (X = 1...7)

LAPS encapsulation is implemented according to ITU-T X.86.

Advanced rate control

The ESW4_E14 option card supports advanced rate control in the ingress and egress direction which enables users to set a strict traffic limit (PIR), in combination with a hold-off mechanism: Excess traffic is held off until the ingress or egress buffer overflows. In case the ingress buffer fills above a certain threshold, pause messages are sent in the reverse direction to hold off further traffic. This behaviour improves the TCP throughput.

Provisioning Committed Burst Size (CBS)

The Flow Profile containing the parameters that define the QoS regime and is applied to a flow contains a user provisionable entry for the Committed Burst Size (CBS).

This entry describes the number of octets that may be ″bursted″ before a frame is no longer considered part of the ″Committed Rate″. The CBS rate can be provisioned in kbytes between 1 and 25000 or as a time constant relative parameter to CIR: 10 or 110 ms.

Provisioning Peak Burst Size (PBS)

The Flow Profile containing the parameters that define the QoS regime and is applied to a flow contains a user provisionable entry for the Peak Burst Size (PBS).

This entry describes the number of octets that may be ″bursted″ before a frame is no longer considered part of the ″Peak Rate″. The PBS rate can be provisioned in kbytes between 1 and 25000 or as a time constant relative parameter to CIR: 10 or 110 ms.

QoS features

The ESW4_E14 option card supports the following QOS features:

• Two rate three color marker (RFC 2697, RFC 2698, and MEF 10) per flow

(switchable color aware/color unaware) Based on provisioned threshold rates (CIR and PIR):

– Red - The frame is dropped – Yellow - The Dropping Precedence of the frame is set to high – Green - The Dropping Precedence of the frame is set to low

• Over subscription (2 levels of Dropping Precedence) and strict policing modes

Based on queue filling and the Dropping Precedence, frames can be dropped to avoid congestion

– A queue will allow fewer “yellow” frames than “green” frames

• 4 traffic classes, 4 egress queues per port

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Each QOS profile contains a Traffic Class (TC) entry. – The traffic class determines the relative priority of a frame based on the traffic

– The traffic class determines the outgoing p-bits for the egress direction

• Egress queue scheduling with strict Priority and/or Weighted Bandwidth options.

Sl-14/8 option card

Interfaces

On the faceplate, the Sl-14/8 card provides:

• Eight cages for Small Form-factor Pluggable (SFP) optical transceivers

• SFP-1 and SFP-5 support for STM-1 or STM-4 interfaces

• SFP-2 to SFP-4 and SFP-6 to SFP-8 support for STM-1 interfaces.

The board supports 1.2 Gigabit interfaces and provides a total transmission capacity of eight VC-4s. This capacity is divided into two VC-4 groups namely, the SFP-1 to SFP-4 group and the SFP-5 to SFP-8 group. Each group provides a four VC-4 transmission capacity. For example, if the SFP-1 is equipped with an STM-4 interface, the SFP-2 to SFP-4 have no more capacity and cannot be used. Similarly, if the SFP-5 is equipped with an STM-4 interface, the SFP-6 to SFP-8 is being utilized and therefore cannot be used for any additional capacity.

Introduction

class to queue assignment function and the scheulder settings

Each SFP transceiver has an LED which indicates three states. When the LED is on, it indicates hardware failures and confugration alarm. When the LED is blinking, it indicates transmission failure. When there are no failures, the LED is off. A fault on the SFP is indicated by an LED on the SFP itself and not on the host unit’s LED.

The STM-1 and STM-4 in-loop and out-loop loopbacks are achieved by the cross-connect functionality.

The following figure shows the front panel of the Sl-14/8 option card.

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Adapter card for legacy option cards (for 2m/4o version only)

To use legacy option cards in the 2m/4o hardware version an adapter is required to fit the card into the subrack. The figure below shows an empty adapter card.

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Introduction

X2E3-V2 option card (legacy)

The X2E3-V2 option card provides two bidirectional 34 Mbit/s (E3) interfaces.

X2DS3-V2 option card (legacy)

The X2DS3-V2 option card provides two additional 45 Mbit/s (DS3) interfaces.

X16DS1 option card (legacy)

The X16DS1-V3 option card provides 16 additional 1.5 Mbit/s (DS1) interfaces.

X8PL option card (legacy)

The X8PL option card provides eight Ethernet interfaces in Private Line mode for the

®

Metropolis

AMU. The Private Line mode enables traffic to be mapped from each Ethernet port one-to-one into an SDH container. Thus a private connection from an Ethernet port through an SDH network to another Ethernet port at the remote end of the link is possible.

The X8PL option card supports a flexible allocation of SDH bandwidth to LAN ports by making use of the Link Capacity Adjustment Scheme (LCAS, see “LCAS” (p. 3-22) ). All LAN ports have the same capabilities. Each WAN port supports VC-12-Xv (X =

1...63) or VC-3-Xv (X = 1...3). The VC-12s that form one VCG can be chosen from any TUG-3, in any timeslot order.

However, it is recommended to select the VC-12s in sequential order, preferably in one

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TUG-3. In this way the end-to-end network design can be kept simple and easy to maintain.

To use the X8PL card in the Metropolis

“Adapter card for legacy option cards (for 2m/4o version only)” (p. 2-28)

X4IP-V2 option card (legacy)

On the Metropolis®AMU an Ethernet LAN option board (X4IP-V2) is available providing four 10/100BASE-T Ethernet interfaces. When equipped with an option card, Lucent Technologies SDH multiplexers can offer 10/100BASE-T Ethernet interfaces besides the standard TDM services like DS1, E1, E3/DS3, E4, STM-1 and STM-4. Below a description is given of the X4IP-V2 option card functionality supported by the

®

Metropolis

AMU.

The following table describes basic characteristics of the X4IP-V2 option card.

LAN interfaces 4 x 10/100 BASE-T Max. number of WAN ports 4

®

AMU, an adapter card is required, see

Introduction

Supported rates VC-12, VC-3 Max. VCG group size VC-12-5v, VC-3-2v Max. number of tributaries VC-12: 20, VC-3: 2 LCAS support Encapsulation method GFP-F or EoS Max. transport capacity 1 x 155 Mbit/s Service rates Max. 1 port at 100 Mbit/s + 3 ports at 2

X4IP-V2 option card mapping

• The X4IP-V2 option board supports an AU-4 <-> VC-4 <-> TUG-3 <-> TUG-2

<-> X*TU-12 <->X*VC-12 <->VC-12-Xv <->GFP/EoS mapping scheme

• The X4IP-V2 option board supports an AU-4 <-> VC-4 <-> TUG-3 <-> X*TU-3

<-> X*VC-3 <->VC-3-Xv <-> GFP/EoS mapping scheme

• The GFP/EoS protocol is according to T1X1.5/99-268.

VC–12-Xv means a grouping of VC-12-s to a single virtual link with the bandwitch of x*VC-12. VC–3-Xv means a grouping of VC-3s to a single virtual link with the bandwidth of x*VC3. Per port (MAC) VC-12/VC-3 concatenation is 1..5 VC-12 or 1..2 VC-3.

... 10 Mbit/s, or 2 ports at 50 Mbit/s + 2 ports at 2 ... 10 Mbit/s, or 4 ports at 2 ... 10 Mbit/s.

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Ethernet WAN port capacity configuration rules

The encapsulated Ethernet frames are mapped in VC-12 (2 Mbit/s), VC-12-2v (4 Mbit/s), VC-12-3v (6 Mbit/s), VC-12-4v (8 Mbit/s), VC-12-5v (10 Mbit/s), VC-3 (50 Mbit/s) or VC-3-2v (100 Mbit/s). A user can provision the actual bandwidth per WAN port. Since the cross-connect capacity of a Metropolis combined bandwidth of all WAN ports together must follow the WAN capacity configuration rules defined in the table below.

®

AMU is limited, the total

Introduction

WAN

WAN 2.1 WAN 2.2 WAN 2.3 WAN 2.4

port Option1100 Mbit/s

(VC-3-2v)

Option250 Mbit/s (VC-3) 50 Mbit/s (VC-3) 10 Mbit/s

Option350 Mbit/s (VC-3) 10 Mbit/s

Option410 Mbit/s

(VC-12-5v)

Option510 Mbit/s

(VC-12-5v)

10 Mbit/s (VC-12-5v)

(VC-12-5v) 10 Mbit/s

(VC-12-5v)

50 Mbit/s (VC-3) 10 Mbit/s

(VC-12-5v)

10 Mbit/s (VC-12-5v)

The throughput mentioned in the table above are the maximum settings, it is also possible to have less throughput for a certain WAN port (for example 6 Mbit/s (VC-12-3v)).

Notice that only the WAN port bandwidth dictates the effective end-to-end Ethernet

®

communication throughput, not the LAN ports. The Metropolis

®

the TransLAN

option board keep track of the available capacity according to the rules

AMU equipped with

defined in the WAN port configuration table above. If an attempt to configure a new WAN port capacity violates the rules, not only the system will not grant the new configuration but also an alarm (message) will be triggered and displayed.

Ethernet WAN port mapping

The WAN port mapping of the X4IP-V2 is shown in the following table. In case the units in service do not use the same termination points, adaptation via the LO cross connect is required.

Capacity WAN port WAN port 2 WAN port 3 WAN port 4

100 Mbit/s TPx.1100 - - -

TPx.1200 - - -

50 Mbit/s TPx.1100 TPx.1200 - -

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Capacity WAN port WAN port 2 WAN port 3 WAN port 4

10 Mbit/s TPx.1311 TPx.1323 TPx.1342 TPx.1361

TPx.1312 TPx.1331 TPx.1343 TPx.1362 TPx.1313 TPx.1332 TPx.1351 TPx.1363 TPx.1321 TPx.1333 TPx.1352 TPx.1371 TPx.1322 TPx.1341 TPx.1353 TPx.1372

8 Mbit/s TPx.1311 TPx.1323 TPx.1342 TPx.1361

TPx.1312 TPx.1331 TPx.1343 TPx.1362 TPx.1313 TPx.1332 TPx.1351 TPx.1363 TPx.1321 TPx.1333 TPx.1352 TPx.1371

6 Mbit/s TPx.1311 TPx.1323 TPx.1342 TPx.1361

TPx.1312 TPx.1331 TPx.1343 TPx.1362 TPx.1313 TPx.1332 TPx.1351 TPx.1363

4 Mbit/s TPx.1311 TPx.1323 TPx.1342 TPx.1361

TPx.1312 TPx.1331 TPx.1343 TPx.1362

2 Mbit/s TPx.1311 TPx.1323 TPx.1342 TPx.1361

QoS

For the X4IP-V2 option card, the IEEE 802.1p is valid. The ESW4_E14 option card supports Enhanced Flow Classification.

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Technical specifications

Overview

...................................................................................................................................................................................................................................

Purpose

The following sections provide the technical specifications for the Metropolis®AMU.

Contents

System specifications 2-33 Performance Monitoring 2-51 Advanced TransLAN® Features 2-57

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System specifications

...................................................................................................................................................................................................................................

Optical Interfaces

STM-1

The table below lists some parameters and the end of life power budgets for the STM-1 optical SFPs:

Application S-1.1 (I-1) L-1.1 L-1.2

Operating wavelength range 1260-1360 nm 1270-1360 nm 1480-1580 nm

Transmitter at reference point S

Source type MLM SLM / MLM SLM Spectral width at -20 dB (max) NA 1 nm (SLM) 1 nm RMS spectral width (max) 7.7 nm 3 nm (MLM) NA Side mode suppression ratio (min) NA 30 dB / NA 30 dB Mean launched power (max) -8 dB 0 dB 0 dB Mean launched power (min) -15 dB -5 dB -5 dB Extinction ratio (min) 8.2 dB 10 dB 10 dB Mask of the eye diagram of the

optical transmit signal

Optical path between points S and R

Maximum dispersion 96 ps/nm NA / 246 ps/nm NA Attenuation range 0 - 12 dB 10 - 28 dB 10 - 28 dB Minimum optical return loss of the

cable plant at point S including the optical connector

Receiver at reference point R

Sensitivity (min) at BER=1×10

-10

Overload (min) -8 dBm -10 dBm -10 dBm Optical path penalty < 1 dB < 1 dB < 1 dB Optical return loss of the receiver

(min)

see G.957 see G.957 see G.957

NA NA 20 dB

-28 dBm -34 dBm -34 dBm

NA NA > 25 dB

STM-4

The table below lists some parameters and the end of life power budgets for the STM-4 optical SFPs:

Application S-4.1 L-4.2

Operating wavelength range 1274-1356 nm 1480-1580 nm

Transmitter at reference point S

Source type MLM SLM

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Application S-4.1 L-4.2

Spectral width at -20 dB (max) NA 1 nm RMS spectral width (max) 2.5 nm NA Side mode suppression ratio (min) NA 30 dB Mean launched power (max) -8 dBm +2 dBm Mean launched power (min) -15 dBm -3 dBm Extinction ratio (min) 8.2 dB 10 dB Mask of the eye diagram of the optical transmit signal see G.957 see G.957

Optical path between points S and R

Maximum dispersion 74 ps/nm NA Optical attenuation range 0 - 12 dB 10 - 24 dB

System specifications

Minimum optical return loss of the cable plant at point S

NA 24 dB

including the optical connector

Receiver at reference point R

Sensitivity (min) at BER=1×10

-10

-28 dBm -28 dBm Overload (min) -8 dBm -8 dBm Optical path penalty < 1 dB < 1 dB Optical return loss of the receiver (min) NA 27 dB

STM-16

The table below lists some parameters and the end of life power budgets for the STM-16 SFPs:

Application I-16 S-16.1 L-16.1 L-16.2

Optical wavelength range 1266 - 1360 nm 1260-1360 nm 1280 - 1335 nm 1500 - 1580 nm Transmission rate 2 488 320 kbit/s 2 488 320 kbit/s 2 488 320 kbit/s 2 488 320 kbit/s

Transmitter at reference point S

Source type MLM SLM SLM SLM Max. spectral –20 dB width NA 1 nm 1 nm 1 nm Max. spectral RMS width 4 nm NA NA NA Min. side mode suppression NA 30 dB 30 dB 30 dB Mean launched power (max) -3 dBm 0 dBm 3 dBm 3 dBm Mean launched power (min) –10 dBm –5 dBm –2 dBm –2 dBm{ Extinction ratio (min) 8.2 dB 8.2 dB 8.2 dB 8.2dB Mask of the eye diagram of

see G.957 see G.957 see G.957 see G.957

the optical transmit signal

Optical path between S and R

Max. chromatic dispersion 12 ps/nm NA NA 1600 ps/nm Optical attenuation range 0 { 7dB 0{ 12 dB 12 { 24 dB 12 { 24 dB

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Application I-16 S-16.1 L-16.1 L-16.2

Max. discrete reflectance –27 dB -27 dB –27 dB –27 dB

System specifications

Minimum optical return loss of the cable plant at point S including the optical connector

Receiver at reference point R

Min. optical sensivity (BER =1×10

Max. optical path penalty 1 dB 1 dB 1 dB 2 dB Overload (min.) –3 dBm 0 dBm –9 dBm –9 dBm Min. return loss at receiver,

measured at R

-10

-12

)

24 dB 24 dB 24 dB 24 dB

–18 dBm –18 dBm –27 dBm –28 dBm

–17 dBm –17 dBm –26 dBm –27 dBm

27 dB 27 dB 27 dB 27 dB

1000BASE-SX SFP

The characteristics of the 1000BASE-SX SFP are summarized in the table below. The 1000BASE-SX pluggable optic (850 nm short haul, multi-mode) uses a Low

Power Laser (laser class 1/1 according to FDA/CDRH - 21 CFR 1010 & 1040 / IEC

60825). The 1000BASE-SX pluggable optic complies with IEEE 802.3-2000 Clause

38. The following table describes the various operating ranges for the 1000BASE-SX pluggable optic over each optical fiber type.

Fiber Type Modal Bandwidth @ 850 nm (min.

overfilled launch) (MHz x km)

62.5 µm MMF 160 2 ... 220

62.5 µm MMF 200 2 ... 275 50 µm MMF 400 2 ... 500 50 µm MMF 500 2 ... 550

Minimum range (m)

The following table lists the specific optical characteristics for a 1000BASE-SX pluggable optic.

Application 1000BASE-SX

Bit rate 1.25Gb/s +/-100ppm Operating wavelength range 770 - 860 nm

Transmitter characteristics

Transmitter type Shortwave Laser

rise/Tfall

T

rise/Tfall

T RMS spectral width (max) 0.85 nm

(max, 20–80%, λ > 830 nm) 0.26 ns (max, 20–80%, λ≤830 nm) 0.21 ns

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System specifications

Application 1000BASE-SX

Average launch power (max) -1.1 dBm (Class 1 safety limit as defined by

Average launch power (min) –9.5 dBm Average launch power of OFF transmitter (max) –30 dBm Extinction ratio (min) 9 dB RIN (max) –117 dB/Hz Mask of the eye diagram of the optical transmit signal see IEEE802.3

Receive Characteristics

Average receive power (max) 0 dBm Receive sensitivity (min) at BER=1×10 Return loss (min) 12 dB Stressed receive sensitivity

(measured with conformance test signal at TP3 for BER = 10–12 at the eye center)

-12

IEEE 802.3–2000 Clause 38.7.2)

–17 dBm

–12.5 dBm (62.5 µm MMF) –13.5 dBm (50 µm MMF)

The following table lists the worst-case power budget and link penalties for a 1000BASE-SX pluggable optic. Link penalties are used for link budget calculations.

Description Unit 62.5 µm

Modal bandwidth as measured at 850 nm (minimum, overfilled launch)

Link power budget dB 7.5 7.5 7.5 7.5 Operating distance m 220 275 500 550 Channel insertion loss (a

wavelength of 830 nm is used to calculate the values)

Link power penalties (a wavelength of 830 nm is used to calculate the values)

Unallocated margin in link power budget (a wavelength of 830 nm is used to calculate the values)

MHz × km

dB 2.38 2.60 3.37 3.56

dB 4.27 4.29 4.07 3.57

dB 0.84 0.60 0.05 0.37

MMF

160 200 400 500

50 µm MMF

1000BASE-LX SFP

The following table lists the specific optical characteristics for a 1000BASE-LX pluggable optic.

The 1000BASE-LX pluggable optic uses a Low Power Laser (laser class 1/1 according to FDA/CDRH - 21 CFR 1010 & 1040 / IEC 60825). The 1000BASE-LX pluggable

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optic complies with IEEE 802.3-2000 Clause 38. The table below describes the various operating ranges for the 1000BASE-LX pluggable optic over each optical fiber type.

Fiber Type Modal Bandwidth @ 1300 nm

(min. overfilled launch) (MHz × km)

10 µm SSMF N/A 2 to 5000

Minimum range (meters)

The following table lists the specific optical characteristics for a 1000BASE-LX pluggable optic.

Application 1000BASE-LX

Bit rate 1.25Gb/s +/-100ppm Operating wavelength range 1270 - 1355 nm

Transmitter Characteristics

Transmitter type Longwave Laser

rise/Tfall

T RMS spectral width (max) 4 nm Average launch power (max) -3 dBm Average launch power (min) -11 dBm Average launch power of OFF transmitter (max) -30 dBm

(max, 20–80%) 0.26 ns

Extinction ratio (min) 9 dB Mask of the eye diagram of the optical transmit signal see IEEE802.3 RIN (max) -117 dB/Hz

Receive Characteristics

Average receive power (max) -3 dBm Receive sensitivity (min) at BER=1×10 Return loss (min) 12 dB Stressed receive sensitivity

(measured with conformance test signal at TP3 for BER = 10–12 at the eye center)

-12

-19 dBm

-14.4 dBm

The following table lists the worst-case power budget and link penalties for a 1000BASE-LX pluggable optic. Link penalties are used for link budget calculations.

Description Unit 10 µm SMF

Link power budget dB 8 Operating distance m 5000 Channel insertion loss (a wavelength of 1270 nm is used to

calculate the values)

dB 4.57

Link power penalties (a wavelength of 1270 nm is used to calculate the values)

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Product description

System specifications

Description Unit 10 µm SMF

Unallocated margin in link power budget (a wavelength of 1270 nm is used to calculate the values)

dB 0.16

1000BASE-ZX SFP

The following table lists the specific optical characteristics for a 1000BASE-ZX pluggable optic.

The 1000BASE-ZX pluggable optic uses a Low Power Laser (laser class 1/1 according to FDA/CDRH - 21 CFR 1010 & 1040 / IEC 60825). The 1000BASE-ZX pluggable optic complies with IEEE 802.3-2002 Clause 38. The following table lists the specific optical characteristics for a 1000BASE-ZX pluggable optic.

Application 1000BASE-ZX

Bit rate 1.25Gb/s +/-100ppm Operating wavelength range 1500-1580 nm

Transmitter at reference point TP2

Source type SLM Spectral width at 20dB 1.0 nm Side mode suppression ratio (min) 30dB Mean launched power (max) +5 dBm Mean launched power (min) 0 dBm Extinction ratio (min) 9.0 dB Mask of the eye diagram of the optical transmit

signal RIN (max) -120 dB/Hz

Optical path between points TP2 and TP3

Optical return loss of the cable plant at point TP2 including the optical connector

Maximum dispersion 1600 ps/nm Attenuation range 5 - 21 dB Optical path penalty (max) 1.5 dB

Receiver at reference point TP3

Sensitivity (min) at BER=1×10 Overload (min) 0 dBm Optical return loss of the receiver (min) 12 dB

-12

see IEEE802.3

20 dB

-22.5 dBm

CWDM SFPs

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System specifications

The table below lists some parameters and the end of life power budgets for the CWDM STM-4/16 SFPs:

Application CWDM STM-4/16 40km CWDM STM-4/16 80km

Maximum channels 8 8

Interface at point SS

Maximum output power +5 dBm +5 dBm Minimum output power 0 dBm 0 dBm Operating wavelength 1471 nm +20m (m=0to7) 1471nm+20m(m=0to7) Maximum central wavelength

deviation Minimum extinction ratio 8.2 dB 8.2 dB Eye mask pattern see G.957 see G.957

Optical path between point SS and RS

Maximum channel insertion loss 17 dB 25.5 dB Minimum channel insertion loss 5 dB 13 dB Maximum dispersion 1000 ps/nm 1640 ps/nm Minimum optical return loss at

SS Maximum discrete reflectance

between SS and RS Maximum differential group

delay Maximum optical cross talk 20 dB 20 dB

Interface at point RS

Maximum mean channel input power

+/- 6.5nm +/- 6.5nm

24 dB 24 dB

27 dB 27 dB

120 ps 120 ps

0 dBm -8 dBm

Minimum sensitivity -18.5 dBm -28 dBm Maximum optical path penalty 1.5 dB 2.5 dB Maximum reflectance of receiver 27 dB 27 dB

Single-fiber Bidirectional SFPs

The table below lists some parameters and the end of life power budgets for the STM-1, STM-4, 1 GbE Single-Fiber (Bidirectional) Short Haul optical modules (SFPs).

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Product description

System specifications

Unit Value

Application Downstream

S-1.2/S-4.2

Data rate Mbit/s 155/622 1250 155/622 1250 Target distance km 15 20 15 20

Downstream 1000BASEBX10-D

Upstream S-1.1/S-4.1

Upstream 1000BASEBX10-U

Transmitter at reference point S / TP2

Source type SLM SLM Wavelength nm 1480 - 1500 1260 - 1360 Max. spectral width at

nm 1 1

-20 dB Mean launched power

00

(max) Mean launched power

dBm -6 -6

(min) Maximum mean

dBm -45 -45 launched power in case Tx_Disable = high

Minimum extinction

dB 6 6 ratio

Transmitter eye mask definition

see G.957 see Table 59-6,

IEEE802.3ah

see G.957 see Table 59-6,

IEEE802.3ah

Maximum reflectance of

dB NA -12 NA -12 transmitter, measured at S / TP2

Maximum optical path

dB13.313.3 penalty / Maximum transmitter and dispersion penalty

Optical path between S / TP2 and R / TP3 Available power budget

(BER=1×10 Available power budget

(BER=1×10

-10

-12

)

dB 13.5 - 13.5 -

dB 12.5 12.5 12.5 12.5

Minimum attenuation dB 0000 Maximum dispersion ps/nm 275 275 132 132

Receiver at reference point R / TP3

Operating wavelength

nm 1260 - 1360 1480 - 1500 range

Minimum sensitivity (@

dBm -19.5 -19.5 -19.5 -19.5 BER = 1*10-12)

Minimum overload dBm 0000 Maximum reflectance of

dB -12 -12 receiver, measured at R / TP3

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Electrical STM-1 interface

The following table lists some parameters and the End of Life power budget of the 155-Mbit/s electrical interface unit:

Application intra-office

SDH Level type STM-1 Transmission rate kbit/s 155,520 ± 20 ppm Line coding type Coded Mark Inversion (CMI, G.703-12.1) Impedance Ω 75

System specifications

Unit Value

Return Loss (8 ... 240 MHz.)

Maximum cable attenuation (78 MHz) dB 12.7

Tributary interfaces

• STM-1 tributary interface at 155 Mbit/s according to G.957 via SFP. The 155

Mbit/s optical access is done with a LC connector type.

• STM-1 tributary interface at 155 Mbit/s according to the ITU G703-15 via SFP.

The STM-1e SFPs use the DIN 1.0/2.3 type connectors.

• STM-4 tributary interface at 622 Mbit/s according to G.957 via SFP. The 622

Mbit/s optical access is realized with a LC connector type.

• Interface at 1.544 Mbit/s ± 130 ppm, AMI or B8ZS encoded (programmable in

groups of 8) and conforming to G.703-2 standard 1991, asynchronously mapped via VC-11 to a TU-12. The 1.5 Mbit/s electrical (DS1) interface access is via a RJ45 connector suitable for symmetrical twisted pair cables with an impedance of 100 Ω.

• Interface at 2.048 Mbit/s ± 50 ppm, HDB3 coded and conforming to G.703

standard 1991, asynchronously mapped via a VC-12 in TU-12. The 2 Mbit/s electrical (E1) interface access is via RJ45 connector suitable for symmetrical twisted pair cables either with an impedance of 120 Ω or coaxial cables with an impedance of 75 Ω. Each 2 Mbit/s tributary interface (optional card) can be operated in ISDN PRI (Primary Rate Interface) or Leased-Line mode. It allows to transmit “30 B+D” according to G.962 and I.431. This feature requires the processing of the overhead contained in timeslot 0 (TS0) of the 2 Mbit/s signal.

dB 15

• Interface at 34.368 Mbit/s ± 20 ppm, HDB3 encoded and conforming to G.703-8

October 1998, asynchronously mapped into LO-VC3. The 34 Mbit/ s electrical clear channel (E3) interface access is via a coaxial female DIN 1.6/5.6 type connector with an impedance of 75 Ω.

• Interface at 44.736 Mbit/s ± 20 ppm, B3ZS encoded and conforming to G.703-6

October 1998, directly mapped in a LO-VC3. The 45 Mbit/s electrical tributary (DS-3) interface access is via a coaxial female DIN 1.6/5.6 type connector with an impedance of 75 Ω.

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Product description

Mapping

System specifications

• A 10/100BaseT Ethernet Interface (LAN interface) with Auto-negotiation

supporting Ethernet and IEEE 802.3, 1998 access protocols. Auto-negotiation of the data rate (10 Mbit/s or 100 Mbit/s) and of the mode (full duplex). The 10/100BaseT Ethernet Interface access is via a RJ45 connector.

• A 1000BaseT Ethernet Interface (LAN interface) with Auto-negotiation supporting

Ethernet and IEEE 802.3, 1998 access protocols. Auto-negotiation of the mode (full duplex). The 1000BaseT Ethernet Interface access is via a RJ45 connector.

• A 1000BaseX Ethernet Interface (LAN interface) with Auto-negotiation supporting

Ethernet and IEEE 802.3, 2002 access protocols. Auto-negotiation of the mode (full duplex). The 1000BaseX Ethernet Interface access is via LC connector.

• The Metropolis®AMU supports an AU-4 <-> VC-4 <-> TUG-3 <-> TUG-2 <->

TU-12 <->VC-12 <->E1 mapping scheme for each VC-12 created and terminated in the system

®

• The Metropolis

AMU supports an AU-4 <-> VC-4 <-> TUG-3 <-> TUG-2 <-> TU-12 <-> VC-11 <->DS1 mapping scheme for each VC-11 created and terminated in the system

®

• The Metropolis

AMU supports an AU-4 <-> VC-4 <-> TUG-3 <-> TU-3 <-> VC-3 <->E3 mapping scheme for each VC-3 created and terminated in the system

®

• The Metropolis

AMU supports an AU-4 <-> VC-4 <-> TUG-3 <-> TU-3 <-> VC-3 <-> DS3 mapping scheme for each VC-3 created and terminated in the system.

Overhead bytes processing

The next table describes the Section Overhead (SOH) processing functions.

Overhead bytes Function Processing

A1-A2 Framing A1=11110110 (HF6)

J0 Regenerator section trace

C1 Regenerator section trace

B1 RS Bit error monitoring (BIP-8) No B2 MS Bit error monitoring (BIP-8) Yes D1 to D12 Data communication channel

E2

Framing A2=00101000 (H28)

identifier

Trace/frame identifier

(DCC) D1 to D3 or D4 to D12 can be selected

Codirectional interfaces at 64 kbit/s (J64), in accordance with G.703 (Service channel)

Yes

Fixed to 00000001

Yes

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Product description

System specifications

Overhead bytes Function Processing

F1 64 kbit/s user channel Fixed to 11111111 K1, K2 (bit 1 to 5) Automatic Protection Switching

Yes

(APS) channel for MSP K2 (bit 6 to 8) Remote alarm MS (MS-FERF) Yes S1 Synchronization state Yes M1 Remote error indication MS

Yes

(MS-REI) Z1, Z2 Reserved Fixed to 11111111 NU National use 11111111

The next table describes the Path Overhead (POH) processing functions for VC-12 transmission.

Overhead bytes Function Processing

V5 (bit 1 to 2) VC-12 BIP-2 error checking Yes V5 (bit 3) REI path (FEBE) Yes V5 (bit 4) RFI path Fixed to 0 V5 (bit 5 to 7) Label of VC-12 path Yes V5 (bit 8) RDI path (FERF) Yes J2 VC-12 Trace identifier Yes Z6 Connection/monitoring Fixed to 0 K4 (bit 1 to 4) VC-12 APS path Fixed to 0 K4 (bit 5 to 6) Reserved Fixed to 0

The next table describes the POH processing functions for VC-3 tranmission.

Overhead bytes Function Processing

J1 VC3 trace identifier Yes B3 Path bit error monitoring

(BIP-8) C2 Path signal label Yes G1 REI/RDI path Yes F2 User channel Fixed to 0 F3 User channel Fixed to 0

Yes (Planned for Release 4.0, August 2006)

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Product description

System specifications

Overhead bytes Function Processing

H4 Provides a general

Fixed to 11111111 multiframe indicator for VC-structured payloads. Provides a maltiframe and sequence indicator for virtual VC-3 concatenation and LCAS

K3 (bit 1 to 4) VC-4 APS path Fixed to 0 K3 (bit 5 to 6) Reserved Fixed to 0 Z5 Network control Fixed to 0

The next table describes the POH processing for VC-4 transmission.

Overhead bytes Function Processing

J1 VC4 trace identifier Yes B3 BIP-8 path Yes C2 Path signal label Yes G1 REI/RDI path Yes F2 User channel Fixed to 0 F3 User channel Fixed to 0 H4 Provides a general multiframe

K3 (bit 1 to 4) VC-4 APS path Fixed to 0 K3 (bit 5 to 6) Reserved Fixed to 0 Z5 Network control Fixed to 0

Note: The ISDN feature requires the processing of the overhead contained in timeslot 0 (TS0) of the 2 Mbit/s signal.

Power supply specifications

• The power consumption of a fully equipped Metropolis®AMU 2m/4o system

remains below 160 watts.

• The power consumption of a fully equipped Metropolis

remains below 55 watts.

indicator for VC-structured payloads. Provides a maltiframe and sequence indicator for virtual VC-4 concatenation and LCAS

Yes

®

AMU 1m/1o system

• The system optionally supports the grounding philosophy according to ETSI

Requirements 300 253, January 1995 (battery return connected to ground).

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Product description

System specifications

Power supply

The following possibilities are available:

• Voltage range DC: –48 VDC and –60 VDC (–39 VDC minimum, –72 VDC

maximum).

• Three external AC/DC converters to enable AC applications.

The following external AC/DC converters are available: – AC/DC converter 90~230V 50~60Hz 75W (CC: 408965325) – AC/DC converter 90~230V 50~60Hz 120W (CC: 408965333) – AC/DC converter 90~230V 50~60Hz 240W (CC: 408991057)

Power consumption

The following table lists the power consumption for the system components of

Metropolis

vertical mount

Metropolis

horizontal and vertical mount

Metropolis

®

AMU Products Apparatus

®

AMU subrack 2m/4o,

®

AMU subrack 1m/1o,

®

AMU main card - MI-14/4 ASC101B 109555516 10 12.5

®

Metropolis

AMU.

®

AMU:

Comcode Typical

code

[W]

ASH101 109509752 N/A N/A

ASH102 109509778 N/A N/A

Maximum

[W]

Metropolis®AMU main card - MI-16/4 ASC110 109588954 15 20 Metropolis

AMU option card 63x E1

ASC102 109509679 8.6 10.2

®

120 Ω

Metropolis

AMU option card 63x E1 75

ASC104 109535468 8.8 11.3

®

Ω

Metropolis

®

AMU Ethernet PL and E1 -

ASC105 109543504 12.5 14.5

optional 2 E/FE, 2 FE/GE and 4 E1(120 or 75 Ω) interfaces

Metropolis

AMU Ethernet PL and E1 -

ASC107 109543520 14.5 16

®

optional 4 E/FE and 32 E1 (75 Ω)

Metropolis

®

AMU Ethernet option card,

ASC108 109579896 28 32 E1-2xE/FE, 2 x E/FE/GE interfaces and 4 (75/120 Ohm) interfaces, 8 WAN ports

Metropolis

AMU option card, 8 x

ASC109 109579904 8 10

®

STM-1 or 2 x STM-4

Metropolis

®

AMU Adapter card for

AMU AC-1 109509653 4 4.5

legacy option card support in

®

Metropolis

AMU 2m/4o subrack

(occupies two slots in subrack)

®

Metropolis

AMU Fan ASH104 109509786 3 3.5

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Product description

System specifications

The following table lists the power consumption for the SFPs used with Metropolis AMU.

Metropolis

SFP short range

Metropolis

SFP middle range

Metropolis

SFP long range

Metropolis

SFP short range

Metropolis

SFP middle range

Metropolis

SFP long range

Metropolis

electrical SFP

Metropolis

single fiber bidirectional

Metropolis

single fiber bidirectional SFP

Metropolis

Intra-office optical SFP - (V16.1) 1310nm, 2 km

Metropolis

haul optical SFP - (S16.1) 1310nm, 15 km

Metropolis

haul optical SFP - (L16.1) 1310nm, 40 km

Metropolis

haul optical SFP - (L16.2/3) 1550nm, 80 km

Metropolis

Haul, 8 channel CWDM - SFP STM-4/16 CWDM SH 40km

Metropolis

Haul, 8 channel CWDM - SFP STM-4/16 CWDM SH 40km

®

AMU Products Apparatus

®

AMU STM-1 S1.1

®

AMU STM-1 L1.1

®

AMU STM-1 L1.2

®

AMU STM-4 S4.1

®

AMU STM-4 L4.1

®

AMU STM-1 L4.2

®

AMU STM-1

®

AMU STM-1 1490,

®

AMU STM-1 1310,

®

AMU STM-16

®

AMU STM-16 short

®

AMU STM-16 long

®

AMU STM-16 long

®

AMU STM-16 Short

®

AMU STM-16 Short

code

Comcode Typical

[W]

Maximum

OM155T101 109469809 1.0 1.2

OM155T103 109469825 1.0 1.2

OM155T102 109469817 1.0 1.2

OM622T101 109509687 1.0 1.2

OM622T102 109509695 1.0 1.2

OM622T103 109509703 1.0 1.2

OM155T104 109543561 1.0 1.2

OM155T105 109559492 1.0 1.2

OM155T106 109559500 1.0 1.2

OM2G5T101 109509711 1.0 1.2

OM2G5T102 109509729 1.0 1.2

OM2G5T103 109509737 1.0 1.2

OM2G5T104 109509745 1.0 1.2

OMWDMT101 109620385 1.0 1.2

OMWDMT102 109620393 1.0 1.2

®

[W]

....................................................................................................................................................................................................................................

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Product description

System specifications

Metropolis

®

AMU Products Apparatus

®

AMU STM-16 Short Haul, 8 channel CWDM - SFP STM-4/16 CWDM SH 40km

®

Metropolis

AMU STM-16 Short Haul, 8 channel CWDM - SFP STM-4/16 CWDM SH 40km

®

Metropolis

AMU STM-16 Short Haul, 8 channel CWDM - SFP STM-4/16 CWDM SH 40km

®

Metropolis

AMU STM-16 Short Haul, 8 channel CWDM - SFP STM-4/16 CWDM SH 40km

®

Metropolis

AMU STM-16 Short Haul, 8 channel CWDM - SFP STM-4/16 CWDM SH 40km

®

Metropolis

AMU STM-16 Short Haul, 8 channel CWDM - SFP STM-4/16 CWDM SH 40km

®

Metropolis

AMU STM-16 Short Haul, 8 channel CWDM - SFP STM-4/16 CWDM LH 80km

®

Metropolis

AMU SFP STM-4/16 CWDM LH 80km

®

Metropolis

AMU STM-16 Long Haul, 8 channel CWDM - SFP STM-4/16 CWDM LH 80km

®

Metropolis

AMU STM-16 Long Haul, 8 channel CWDM - SFP STM-4/16 CWDM LH 80km

®

Metropolis

AMU STM-16 Long Haul, 8 channel CWDM - SFP STM-4/16 CWDM LH 80km

®

Metropolis

AMU STM-16 Long Haul, 8 channel CWDM - SFP STM-4/16 CWDM LH 80km

®

Metropolis

AMU STM-16 Long Haul, 8 channel CWDM - SFP STM-4/16 CWDM LH 80km

®

Metropolis

AMU STM-16 Long Haul, 8 channel CWDM - SFP STM-4/16 CWDM LH 80km

code

Comcode Typical

[W]

Maximum

OMWDMT103 109620401 1.0 1.2

OMWDMT104 109620419 1.0 1.2

OMWDMT105 109620427 1.0 1.2

OMWDMT106 109620435 1.0 1.2

OMWDMT107 109620443 1.0 1.2

OMWDMT108 109620450 1.0 1.2

OMWDMT109 109620468 1.0 1.2

OMWDMT110 109620476 1.0 1.2

OMWDMT111 109620484 1.0 1.2

OMWDMT112 109620492 1.0 1.2

OMWDMT113 109620500 1.0 1.2

OMWDMT114 109620518 1.0 1.2

OMWDMT115 109620526 1.0 1.2

OMWDMT116 109620534 1.0 1.2

[W]

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365-312-847R4.0 Issue 4, November 2006

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2-47

Product description

System specifications

Metropolis

®

AMU Products Apparatus

code

Metropolis

AMU Gigabit

OMGBET103 109534347 1.0 1.2

®

Ethernet SFP, ZX 1550nm

Metropolis

AMU Gigabit

OMGBET102 109526491 1.0 1.2

®

Ethernet SFP, LX 1300nm

Metropolis

AMU Gigabit

OMGBET101 109526483 1.0 1.2

®

Ethernet SFP, SX 850nm

Supervision interface

• F-interface for Craft Interface Terminal via RJ45 connector with metal shell for

grounding (ITM-CIT)

The interface conforms to V.10/RS-232C standards.

• Q-LAN Interface via RJ45 connector with metal shell for grounding

(Ethernet-10BASE-T)

This interface conforms to IEEE 802.3 Ethernet standards.

Miscellaneous Discrete Inputs/Outputs

Comcode Typical

[W]

Maximum

[W]

• The user can assign, through the EMS or local workstation, an alarm message and

alarm severity to each of the four miscellaneous discrete inputs (MDIs). They are

equivalent with other system alarms.

• When receiving power, all four miscellaneous discrete outputs (MDOs) are

normally open. If power is lost, MDO 1’s contacts close (assigned to indicate

power failure). MDO 2-4 are respectively assigned to Prompt alarm, Deffered alarm

and Information alarm.

• The MDI inputs and MDO outputs are available from a 25 pin SUB-D male

connector.

Environmental conditions

The environmental conditions applicable for the Metropolis®AMU:

• Storage compliant with ETSI 300 019-1-1 Class 1-2, February 1992:

- Temperature range -5°C to +45°C

- Humidity of 5 to 90% without condensation.

• Transport compliant with ETSI 300 019-1-2 Class 2-3, February 1992:

- Temperature range -5°C to +45°C

- Humidity of 5 to 90% without condensation.

• The system normally operates with convectional cooling. In specific configurations,

fan cooling is used. For more information about when a fan is recommended, see

“Guidelines for Fan usage” (p. 2-49).

• CE marking compliant with 73/23/EEC and 89/336/EEC

• ETSI EMC - The system meets the requirements of EN 300 386-2 V.1.1.3

(december 1997) for equipment installed in locations other than telecom centers.

....................................................................................................................................................................................................................................

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Product description

System specifications

• IEC 60950 -Ed3, 1994-04

• Optical safety compliant with IEC 60825-1 Ed 1.1 (1998/01) and IEC 60825-2 Ed

2 (2000/05).

®

The following table shows the environmental conditions for the Metropolis

AMU.

Power Type Min Temp. Max

Temp

Min Hum.

Max Hum

Compliant to ETS 300 019-1-3 Of February. 1992 & Amendment A1 June

1997 DC -5 +45 5% 90% Class 3.1E AC -5 +45 5% 90% Class 3.1E

Installation in steet cabinets supported, when street cabinets provides required environment conditions.

®

Important! Ensure that the Metropolis

AMU units have reached room

temperature and are dry before taking them into operation. For further informaton please refer to the Metropolis

Guidelines for Fan usage

Some option cards in certain hardware configurations require a fan (ASH104) unit being installed. The tables below provide an overview when a fan unit is mandatory for both ETSI class 3.1 and ETSI class 3.1E conditions as specified in ETS 300 019-1-3. For specific installation instructions, refer the Metropolis Installation Guide (365-312-848, Comcode 109592253).

®

AMU Installation Guide.

®

AMU, Release 3.0,

The following table indicates option cards that require mandatory fan unit usage for ETSI class 3.1 compliant environmental conditions.

Option card 1m/1o shelf

horizontal mounting

1m/1o shelf vertical mounting (ASH102)

(ASH102)

EPL4_E14

No fan No fan No fan

(ASC105) EPL4_E132_75

No fan No fan No fan

(ASC107) ESW4_E14

(ASC108) SI-14/8 (ASC109) Fan usage -

Fan usage Mandatory

No fan No fan

Mandatory

Other cards No fan No fan No fan

2m/4o shelf vertical mounting (ASH101)

Fan usage Mandatory

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365-312-847R4.0 Issue 4, November 2006

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Product description

System specifications

The following table indicates option cards that require mandatory fan unit usage for ETSI class 3.1E compliant environmental conditions.

Option card 1m/1o shelf

horizontal mounting

1m/1o shelf vertical mounting (ASH102)

2m/4o shelf vertical mounting (ASH101)

(ASH102)

EPL4_E14 (ASC105)

EPL4_E132_75 (ASC107)

ESW4_E14 (ASC108)

SI-14/8 (ASC109) Fan usage -

Fan usage Mandatory

No fan No fan

Fan usage Mandatory

No fan No fan

Mandatory

Other cards No fan No fan No fan

....................................................................................................................................................................................................................................

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Product description

Performance Monitoring

...................................................................................................................................................................................................................................

Overview

• Performance monitoring is in accordance with ITU-T G.826 and G.784

• The following four parameters are available to estimate the error performance of a

path: – SES: number of Severely Errored Seconds in the received signal – ES: number of Errored Seconds in the received signal – BBE: number of Background Block Errors in the received signal – UAS: number of UnAvailable Seconds in the received signal

• For termination points, Near-End Performance Monitoring can be done on the

incoming MS16, MS4, MS1, VC-4, VC-3, and VC-12 signals. Non-intrusive monitoring is only possible for AU-4 signals.

• Bi-directional and unidirectional performance monitoring

• Performance monitoring data is stored in one current and sixteen recent 15 minutes

registers, and one current and one recent 24 hours registers. Detailed information about Performance Monitoring are provided in the following sections.

• Threshold reports are generated when user-settable performance parameters are

exceeded during 15 minutes and 24 hours periods

• Ethernet performance monitoring information can be derived from the General

Purpose Ethernet Port Monitor, Ethernet Service Monitor, Ethernet Congestion Monitor, Ethernet High Priority Traffic Monitor, Ethernet Low Priority Traffic Monitor, and Ethernet Frame Delay Monitor.. This information is available in 15 minutes or 24 hours registers. For more information about Ethernet Performance Monitoring features, see “Advanced TransLAN® Features” (p. 2-57).

Capacity for 200 Monitoring Points per Tributary Slot

In addition to the capacity limit for the number of simultaneously active PM points at the system level (600 in Release 4.0), there is a limit of 200 performance monitoring points for each slot in the system. For more information, refer the Metropolis User Operations Guide.

Enhanced Ethernet Performance Monitoring

The ESW4_E14 option card provides enhanced Ethernet performance monitoring functions. Users can enable or disable the following Ethernet performance monitoring points.

®

AMU

• General Purpose Ethernet Port Monitor

• Ethernet Service Monitor

• Ethernet Congestion Monitor

• Ethernet High Priority Traffic Monitor

• Ethernet Low Priority Traffic Monitor

• Round Trip Delay Monitor.

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Product description

Performance Monitoring

General Purpose Ethernet Monitor

The General Purpose Ethernet Monitor can be enabled or disabled on each LAN or WAN port. The following counters are available in this monitor:

• eINB: Number of octets in non-errored incoming frames

• eINF: Number of non-errored incoming frames

• eONB: Number of octets in outgoing frames

• eONF: Number of outgoing frames

• eINCP: Number of octets in non-errored incoming frames trapped to CPU

• eONCP: Number of octets in outgoing frames sourced by CPU

• eDFE: Number of incoming frames dropped due to frame format errors

• eCIF: Number of incoming frames dropped due to capacity limits in switch input

stage

• pUPR: Number of non-errored incoming unicast frames

• pMPR: Number of non-errored incoming multicast frames

• pBPR: Number of non-errored incoming broadcast frames

• pPPR: Number of non-errored incoming PAUSE frames

• pUPS: Number of outgoing unicast frames

• pMPS: Number of outgoing multicast frames

• pBPS: Number of outgoing broadcast frames

• pPPS: Number of outgoing PAUSE frames.

®

For more information, refer the Metropolis

Threshold Limit Notifications for General Purpose Ethernet Monitor

AMU User Operations Guide.

Users can enable or disable threshold limit notifications for each active General Purpose Ethernet Port Monitor on each of the following eight parameters.

• eDFE - 15 minute bin

• eCIF - 15 minute bin

• eDFE - 24 hour bin

• eCIF - 24 hour bin.

Each General Purpose Ethernet Port Monitor has its own set of thresholds. In case one of the thresholds is crossed while the threshold crossing is enabled, a corresponding alarm will be raised or cleared for the chosen General Purpose Ethernet Port Monitor. Users can provision “Set” or “Clear” thresholds for each of these counters. Note that this feature is only applicable in combination with the General Purpose Ethernet

®

Monitor features. For more information, refer the Metropolis

AMU User Operations

Guide.

....................................................................................................................................................................................................................................

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Product description

Performance Monitoring

Ethernet Service Monitor

The Ethernet service monitor can be enabled or disabled on each flow on a port on which Flow Classification is enabled. The following three counters are included in this monitor:

• gQIB: Number of frames marked in “green” color (low dropping precedence)

• yQIB: Number of frames marked in “yellow” color (high dropping precedence)

• rQIB: Number of frames marked in “red” color (dropped immediately).

®

For more information, refer the Metropolis

Ethernet Congestion Monitor

AMU User Operations Guide.

The Ethernet Congestion Monitor can be enabled or disabled on each network role egress port. The following counters are included in this monitor.

• g0EDBC: Number of octets in dropped green frames with traffic class 0

• y0EDBC: Number of octets in dropped yellow frames with traffic class 0

• g1EDBC: Number of octets in dropped green frames with traffic class 1

• y1EDBC: Number of octets in dropped yellow frames with traffic class 1

• g2EDBC: Number of octets in dropped green frames with traffic class 2

• g2EOCS: Number of seconds with at least one dropped green frame of traffic class

2

• y2EDBC: Number of octets in dropped yellow frames with traffic class 2

• y2EOCS: Number of seconds with at least one dropped yellow frame of traffic

class 2

• g3EDBC: Number of octets in dropped green frames with traffic class 3

• g3EOCS: Number of seconds with at least one dropped green frame of traffic class

3

• y3EDBC: Number of octets in dropped yellow frames with traffic class 3

• y3EOCS: Number of seconds with at least one dropped yellow frame of traffic

class 3.

®

For more information, refer the Metropolis

Threshold Limit Notifications for Ethernet Congestion Monitor

AMU User Operations Guide.

Users can individually enable or disable threshold limit notifications for each active Ethernet Congestion Monitor on the each of the following parameters.

• g2EOCS - 15 minute bin

• y2EOCS - 15 minute bin

• g3EOCS - 15 minute bin

• y3EOCS - 15 minute bin

• g2EOCS - 24 hour bin

• y2EOCS - 24 hour bin

• g3EOCS - 24 hour bin

• y3EOCS - 24 hour bin.

....................................................................................................................................................................................................................................

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Product description

Performance Monitoring

Note that this feature is only applicable in combination with the Ethernet Congestion Monitor features.

®

For more information, refer the Metropolis

Ethernet High Priority Traffic Monitor

AMU User Operations Guide.

The Ethernet high priority traffic monitor can be enabled or disabled on each ingress network role port. The following counters are included in this monitor.

• g3EINB: Number of octets in non-errored incoming green frames with traffic class

3

• g3EINF: Number of non-errored incoming green frames with traffic class 3

• c3EIN: Number of octets in non-errored green frames with traffic class 3 and

internal protocol traffic, including encapsulation overhead (i.e. on the physical layer)

• i3gEILS: Number of seconds marked ″loaded″ in C3EIN count

• i3gEISLS: Number of seconds marked ″severely loaded″ in C3EIN count

• y3EINB: Number of octets in non-errored incoming yellow frames with traffic class

3

• y3EINF: Number of non-errored incoming yellow frames with traffic class 3

• g2EINB: Number of octets in non-errored incoming green frames with traffic class

2

• g2EINF: Number of non-errored incoming green frames with traffic class 2

• c2EIN: Number of octets in non-errored green frames with traffic class 2, 3 and

internal protocol traffic, including encapsulation overhead (i.e. on the physical layer)

• i32gEILS: Number of seconds marked ″loaded″ in C2EIN count

• i32gEISLS: Number of seconds marked ″severely loaded″ in C2EIN count

• y2EINB: Number of octets in non-errored incoming yellow frames with traffic class

2

• y2EINF: Number of non-errored incoming yellow frames with traffic class 2. Note that a one second interval performance counter is marked “Loaded” in case the

counter increments more than the provisioned Loaded Second (LS) threshold during this second. A one second interval on a performance counter is marked “Severely Loaded” in case the counter increments more than the provisioned Severely Loaded Second (SLS) threshold during this second. For more information about Loaded Second and Severely Loaded Second, refer the following sections.

®

For more information, refer the Metropolis

Ethernet Low Priority Traffic Monitor

AMU User Operations Guide.

The Ethernet Low Priority Traffic Monitor can be enabled or disabled on each ingress network role port. The following counters are included in this monitor.

• g0EINB: Number of octets in non-errored incoming green frames with traffic class

0

• g0EINF: Number of non-errored incoming green frames with traffic class 0

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Performance Monitoring

• y0EINB: Number of octets in non-errored incoming yellow frames with traffic class

0

• y0EINF: Number of non-errored incoming yellow frames with traffic class 0

• g1EINB: Number of octets in non-errored incoming green frames with traffic class

1

• g1EINF: Number of non-errored incoming green frames with traffic class 1

• y1EINB: Number of octets in non-errored incoming yellow frames with traffic class

1

• y1EINF: Number of non-errored incoming yellow frames with traffic class 1.

®

For more information, refer the Metropolis

Threshold Limit Notifications for Ethernet High Priority Traffic Monitor

AMU User Operations Guide.

Users can individually enable or disable threshold crossing notifications for each active Ethernet High Priority Traffic Monitor on each of the following parameters.

• i3gEILS - 15 minute bin

• i3gEISLS - 15 minute bin

• i32gEILS - 15 minute bin

• i32gEISLS - 15 minute bin

• i3gEILS - 24 hour bin

• i3gEISLS - 24 hour bin

• i32gEILS - 24 hour bin

• i32gEISLS - 24 hour bin.

Each Ethernet High Priority Traffic Monitor has its own set of thresholds. In case one of the thresholds is crossed while the threshold crossing is enabled, a corresponding alarm is raised or cleared for the Ethernet High Priority Traffic Monitor in question. Users can provision “Set” and “Clear” thresholds for each of these counters. Note that this feature is only applicable to the Ethernet High Priority Traffic Monitor feature.

®

For more information, refer the Metropolis

Provisionable LS/SLS Threshold

AMU User Operations Guide.

Users can provision thresholds (between 0%-100%) to define a Loaded Second (LS) and a Severely Loaded Second (SLS) for both C3EIN and C2EIN counters. One set of provisioned LS/SLS thresholds (four values) can be provisioned for each Ethernet High Priority Traffic Monitor. Different thresholds can be set to 15 minute and 24 hour counters. Note that this feature is only applicable to the Ethernet High Priority Traffic Monitor feature.

In combination with the LS and SLS provisioning in percentage, users can provision the bandwidth to which the percentages are applied (in kbit/s per port), which represents the 100% traffic load, when no VCAT or LAG members have failed. The system automatically scales back the thresholds in case VCAT or LAG bandwidth is temporarily lost. Note that this feature is only applicable to the Ethernet High Priority Traffic Monitor feature.

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Product description

Performance Monitoring

For more information, refer the Metropolis®AMU User Operations Guide.

Round Trip Delay Monitor

An Round Trip Delay Monitor can be enabled or disabled for a certain set of user specified parameters which define an “Ethernet Service Route”. For each Ethernet Service Route, a frame delay monitor can be enabled. The following counters are included in this monitor.

• mRTD: Minimum round-trip delay recorded in the binning period (milliseconds)

• aRTD: Average round-trip delay over the binning period (milliseconds)

• xRTD: Maximum round-trip delay recorded in the binning period (milliseconds)

• p900RTD: Upper 90-percentile of round-trip delay over the binning period

(milliseconds)

• p990RTD: Upper 99-percentile of round-trip delay over the binning period

(milliseconds)

• p999RTD: Upper 99.9-percentile of round-trip delay over the binning period

(milliseconds)

• sRTDM: Number of succesful RTD measurement frames transmitted

• uRTDM: Number of unsuccesful RTD measurement frames transmitted.

Note that an RTD measurement frame is considered successful if a valid response corresponding to the transmission frame was received from the targetted node.

Note that this feature is only applicable to the ESW4_E14 option card.

®

For more information, refer the Metropolis

Threshold Limit Notifications for Round Trip Delay Monitor

AMU User Operations Guide.

Users can individually enable or disable threshold limit notifications for each active Round Trip Delay Monitor on any or each of the following parameters.

• aRTD - 15 minute bin

• xRTD - 15 minute bin

• uRTDM - 15 minute bin

• aRTD - 24 hour bin

• xRTD - 24 hour bin

• uRTDM - 24 hour bin.

Each Round Trip Delay Monitor has its own set of thresholds. In case one of the thresholds is crossed while the threshold limit is being enabled, a corresponding alarm is raised or cleared for the Round Trip Delay Monitor. Users can provision “Set” and “Clear” threshold limits for these counters. Note that this feature is only applicable to the Round Trip Delay Monitor feature.

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Advanced TransLAN® Features

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Ethernet Performance Monitoring (ESW4_E14)

Ethernet Performance Monitoring in SDH network elements is based on SDH performance monitoring concepts. The following sections describe the advanced TransLAN® features that are implemented for Ethernet applications.

Round Trip Delay Measurement (RTD)

The following features enable Round Trip Delay measurement:

• One Shot Ethernet In-Service RTD Measurement - FROM Node

• Continuous Ethernet In-Service RTD Measurement - FROM Node

• RTD Measurement Accuracy

• Proprietary Ethernet In-Service RTD Measurement

One Shot Ethernet In-Service RTD Measurement - FROM Node

The virtual switches in the network element support proprietary in-service round trip delay measurement by transmitting a special “ping” PDU from the local virtual switch that is identified as the FROM Node to a remote switch that is identified as the TO node. The TO node is identified by a MAC address. A ping frame with a defined length can be sent with a certain VLAN, priority, and dropping precedence provisioned by the user. Based on the responses from the remote node, the round trip time is calculated. The result is presented to the user as a delay in milliseconds or a time-out.

Continuous Ethernet In-Service RTD Measurement - FROM Node

Users can provision a continuously repeating round trip delay measurement with the following parameters.

• FROM node virtual switch

• TO node MAC address

• Frame length

• V-LAN

• Traffic class

• Dropping precedence

The repitition rate is approximately 45 seconds. The results are presented in the

®

Performance Monitoring format. For more information, refer the Metropolis

AMU

User Operations Guide.

Proprietary Ethernet In-Service RTD Measurement - TO Node

Protocol data units (PDUs) that are transmitted by a remote Ethernet switch for in-service round trip measurement purposes (which are addressed to a local Ethernet switch in the system) provide the appropriate response.

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Product description

Advanced TransLAN® Features

Static MAC Address Table Configuration and Retrieval

The following features support static MAC address table configuration and retrieval.

• Manual unicast MAC address provisioning

• Manual multicast MAC address provisioning

• Delete/View dynamic entry from filtering database

• Port security by S-MAC address based access list

• Flushing the filtering database

• Limited automatic MAC address learning capacity per VLAN

• Provisionable MAC address ageing timer.

Manual Unicast MAC Address Provisioning

Users can view, create, and delete a unicast MAC address to and from the filtering database of an Ethernet switch unit. A unicast MAC address entry in the filtering database consists of a unicast MAC address, a V-LAN entry, and a destination port. Upon request, the user can view the entire list of provisioned static entries from the

®

filtering database of a switch unit. For more information, refer the Metropolis

AMU

User Operations Guide.

Manual Multicast MAC Address Provisioning

Users can view, create, and delete a multicast/broadcast MAC address to and from the filtering database of an Ethernet switch unit. A multicast/broadcast MAC address entry in the filtering database consists of the multicast/broadcast MAC address, a V-LAN entry, and a destination port list. Upon request, the user can view the entire list of provisioned static entries from the filtering database of a switch unit. This feature is only applicable on the ESW4_E14 option card. For more information, refer the

®

Metropolis

Delete/View Dynamic Entry from Filtering Database

AMU User Operations Guide.

Users can search for specific and dynamically learnt MAC addresses or V-LAN entries in the filtering database of an Ethernet switch unit. If the specified entry is present, the associated destination port is displayed. When required, such an entry can be deleted from the filtering database. This feature is only applicable to the ESW4_E14 option

®

card. For more information, refer the Metropolis

Port Security by S-MAC Address based Access List

AMU User Operations Guide.

Users can lock or unlock an Ethernet switch port. On a locked port, the automatic address learning feature is disabled and all frames of the source MAC address that do not appear in the access list are dropped. An access list from the filtering database of the Ethernet switch is used. Before a frame is allowed to enter a locked port, the source MAC address with the proper V-LAN number and port number must be present in the filtering database.

Flushing the Filtering Database

When required, the user can delete all dynamically learnt addresses from the filtering database of an Ethernet unit. For more information about this procedure, refer the Metropolis® AMU User Operations Guide. This feature is only applicable to the

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Advanced TransLAN® Features

ESW4_E14 option card. For more information, refer the Metropolis®AMU User Operations Guide.

Limited Automatic MAC Address Learning Capacity per V-LAN

Users can limit the number of MAC addresses that can be automatically learnt from any static V-LAN to a number below the maximum capacity of the Ethernet switch. Additionally, users can also retrieve a list of V-LANs with static registration on the Ethernet unit with their respective limits.

Provisioning MAC Address Ageing Timer

Users can provision the ageing timer for automatically learnt MAC addresses between 10 and 630 seconds (default 300 s) in 10 second steps. This timer value is common for all virtual switches that are instantiated on the same TransLAN® unit.

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3 3Features

Overview

...................................................................................................................................................................................................................................

Purpose

This chapter briefly describes the features of the Metropolis®AMU. For more information on the physical design features and the applicable standards,

please refer to Chapter 2, “Product description”.

Standards compliance

Lucent Technologies SDH products comply with the relevant SDH ETSI and ITU-T standards. Important functions defined in SDH standards such as the Data Communication Channel (DCC), the associated 7-layer OSI protocol stack, the SDH multiplexing structure and the Operations, Administration, Maintenance, and Provisioning (OAM&P) functions are implemented in Lucent Technologies product families.

Contents

Lucent Technologies is heavily involved in various study groups with ITU-T, and ETSI

®

creating and maintaining the latest worldwide SDH standards. Metropolis

AMU

comply with all relevant and latest ETSI and ITU-T standards.

New Features - Release 2.1 3-3 ITM-SC Management 3-3 Performance Monitoring 3-4 CWDM SFPs 3-5 Bidirectional SFPs 3-6 Fast Download Tool 3-7 Physical interfaces 3-8 Transmission interfaces 3-9 Data interfaces 3-10 Timing interfaces 3-11

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Features

Overview

Orderwire interfaces 3-12 Operations interfaces 3-13 Power interfaces 3-14 Transmission features 3-15 Cross-connection features 3-16 Transmission protection 3-17 Equipment protection 3-18 Ethernet features 3-19 Auto-negotiation 3-21 Link Capacity Adjustment Scheme (LCAS) 3-22 Link Pass Through (LPT) 3-23 Ethernet mapping schemes 3-24 Equipment features 3-26 Equipment inventory and reports 3-27 Synchronization and timing 3-28 Timing features 3-29 Timing interface features 3-30 Operations, Administration, Maintenance, and Provisioning 3-31 Remote maintenance, management, and control 3-32

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Features

New Features - Release 2.1

ITM-SC Management

...................................................................................................................................................................................................................................

The Metropolis®AMU Release 2.1 supports performance monitoring features via the ITM-SC Release 11.4.3. The following sections provide a detailed description of these features.

®

Note: For ITM-SC users, these features are only applicable to Metropolis Release 2.1 and do not include features from subsequent releases.

AMU

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Features

Performance Monitoring

...................................................................................................................................................................................................................................

Near end unidirectional or bidirectional performance monitoring data

The following table describes the new features and PM counters that are supported in

®

Metropolis

AMU Release 2.1.

Feature Virtual

PM Counters

Container

Near end unidirectional PM on CTP

VC-3, VC-12 Data from the forward and backward

versions of the following counters are collected for Connection Termination Points.

• Errored seconds (ES)

• Severeley errored seconds (SES)

• Background block errors (BBE).

Bidirectional PM on CTP VC-4 Data from the following counters is

collected for bidirectional performance monitoring.

• Unavailable Seconds (UAS)

• Unavailable time Period (UAP).

Users can select any TU-12 (VC-12 CTP) or TU-3 (VC-3 CTP) in the Metropolis

®

AMU for Near-end unidirectional performance monitoring. Users can also select any AU-4 (VC-4 CTP) for bidirectional performance monitoring.

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Features

CWDM SFPs

...................................................................................................................................................................................................................................

The Metropolis®AMU Release 2.1 supports CWDM SFPs. Note that these SFPs can only be operated for STM-4 transmission in the MI-14/4 main unit.

®

For ordering information about CWDM SFPs, refer “Metropolis

AMU SFPs” (p. 7-5).

For information about power consumption, refer “Power consumption” (p. 2-46).

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Features

Bidirectional SFPs

...................................................................................................................................................................................................................................

The Metropolis®AMU Release 2.1 supports bidirectional SFPs. For ordering

®

information about bidirectional SFPs, refer “Metropolis

AMU SFPs” (p. 7-5).

For information about power consumption, refer “Power consumption” (p. 2-46).

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Features

Fast Download Tool

...................................................................................................................................................................................................................................

The Fast Download Tool enables a quick installation of network element software to

®

the Metropolis

AMU. The latest version provides options to retain the MIB or delete

as necessary. For more information about installing and downloading the Fast Download Tool on the

®

Metropolis

AMU, refer the Metropolis®AMU Installation Guide.

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Features

Physical interfaces

Overview

...................................................................................................................................................................................................................................

Purpose

This section provides information about all kinds of external physical interfaces of the

®

Metropolis

please refer to “Technical specifications” (p. 2-32). The Metropolis

the use of an option card. The choice of the option cards and data interfaces described below provide outstanding transmission flexibility and integration capabilities.

Contents

Transmission interfaces 3-9

AMU. For detailed technical data and optical parameters of the interfaces

®

AMU supports a variety of additional interfaces that are dependent on

Data interfaces 3-10 Timing interfaces 3-11 Orderwire interfaces 3-12 Operations interfaces 3-13 Power interfaces 3-14

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Features

Transmission interfaces

...................................................................................................................................................................................................................................

SDH interface overview

Metropolis®AMU supports the synchronous transmission rates STM-1, STM-4, and

STM-16. In the present release, STM-1, STM-4, and STM-16 optical as well as STM-1 electrical

interface types can be realized in a modular way by only changing the SFP. Four ports on one main card are available to plug an SFP. However, only two of the four ports are available for STM-16 transmission.

PDH interface overview

Metropolis®AMU 2m/4o and Metropolis®AMU 1m/1o provide PDH interfaces via an

option card. The following PDH interfaces can be configured via an option card:

• Sixteen 1.5 Mbit/s interfaces (only 2m/4o version with adapter card)

• Two 34 Mbit/s interfaces (only 2m/4o version with adapter card)

• Two 45 Mbit/s interfaces (only 2m/4o version with adapter card)

• Sixty-three times 2 Mbit/s (120 Ω and 75 Ω version available)

• Four times 2 Mbit/s (120 Ω and 75 Ω) at the EPL4_E14 option card

• Thirty-two times 2 Mbit/s (75 Ω) at the EPL4_E132_75 option card

• Four times 2 Mbit/s at the ESW4_E14 option card. For the E1 interfaces, (120 Ω

and 75 Ω) options available via the Lucent OMS.

Please note that legacy cards for 1.5 Mbit/s, 34 Mbit/s, and 45 Mbit/s require a two-slot wide adapter card to fit in the shelf.

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Features

Data interfaces

...................................................................................................................................................................................................................................

LAN interfaces

Metropolis®AMU supports a variety of Ethernet interfaces, depending on the option

cards in use.

®

• up to four 10/100BASE-T LAN interfaces, as part of the TransLAN

Ethernet SDH Transport Solution, at the X4IP-V2 option card (only 2m/4o version with adapter card)

• up to eight Ethernet interfaces in Private Line mode at the X8PL option card (only

2m/4o version with adapter card).

• up to two Ethernet/FastEthernet interfaces and two

Ethernet/FastEthernet/GigabitEthernet interfaces with optional SFP usage for GigabitEthernet at the EPL4_E14 option card

• up to four Ethernet/FastEthernet interfaces at the EPL4_E132_75 option card

• 2 GE capable interfaces for either 10/100/1000 Base-T or 1000 Base-X and 2 E/FE

interfaces 10/100 Base-T transmission rate at the ESW4_E14 option card.

Please note that legacy cards like X8PL and X4IP require a two-slot wide adapter card to fit in the shelf.

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Features

Timing interfaces

...................................................................................................................................................................................................................................

Metropolis®AMU provides one external timing input and output per main card for

ITU-T compliant 2MHz / 2Mb/s timing signals, see also “Timing interface features”

(p. 3-30). The timing output is realized as RJ45 connector suitable for symmetrical

twisted pair cables with an impedance of 120 Ω or coaxial cables with an impedance of 75 Ω.

Real time information survival

The system contains a realtime clock cicuit which can survive a power outage of up to 10 minutes. In case the power is restored within this time, the Fault Management (alarm event timestamping) and Performance Monitoring (binning, reporting, TCNs) functions will continue without requiring user intervention.

Synchronization and timing

• Synchronization can be derived from the incoming STM-1 or STM-4 or STM-16

aggregate signals and STM-1 or STM-4 tributary signals.

• Synchronization can be derived from an incoming 2 Mbit/s (E1) data input.

• Re-synchronization of the 2 Mbit/s ports is supported.

• Support of SSM byte according to ETSI ETS 300 417-6.

• External synchronization input at 2.048 MHz and 2 Mbit/s (STCLK, one per main

card) is according to G.703-10 via RJ45 connector with an impedance of 120 Ω symmetrical or with an impedance of 75 Ω.

• Internal Clock in accordance with ITU-T G.813 option 1.

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Features

Orderwire interfaces

...................................................................................................................................................................................................................................

V.11 interfaces

The Metropolis®AMU supports one Engineering Order Wire (EOW) interface with a 15 pin sub-D connector on the faceplate. Regardless of the configuration, the EOW is supported on Main-1 unit on line port 1 (LP1.1). The E2 channel is used to transfer the EOW data.

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Lucent Technologies Metropolis AMU 2m/4o, Metropolis AMU, Metropolis AMU 1m/1o Applications And Planning Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Contents

Aboutthis informationproductAbout this information product

Purpose

Reason for reissue

Safety information

Intended audience

How to use this information product

Conventions used

Related documentation

Related training

Software Release Description

Intended use

Optical safety

Technical Documentation

How to order

How to comment

1 1Introduction

Overview

Structure of hazard statements

System overview

Overview

Hardware overview of the Metropolis®AMU

Introduction

System Architecture

Introduction

Option cards

Introduction

Technical specifications

Overview

System specifications

Performance Monitoring

Advanced TransLAN® Features

3 3Features

Overview

New Features - Release 2.1

ITM-SC Management

Performance Monitoring

CWDM SFPs

Bidirectional SFPs

Fast Download Tool

Physical interfaces

Overview

Transmission interfaces

Data interfaces

Timing interfaces

Orderwire interfaces