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Part No. 212257-BJanuary 20024401 Great America ParkwaySanta Clara, CA 95054Installation and Networking Guidelines for Optical Routing

10 Figures212257-B

11Installation and Networking Guidelines for Optical Routing TablesTable 1 Parts of the optical routing system . . . . . . . . . . . . . . . . . . .

12 Tables212257-B

13Installation and Networking Guidelines for Optical Routing PrefaceNortel Networks* optical routing system supports high-speed data communications in

14 Preface212257-B Before you beginThis guide is intended for network administrators who have the following background:• Basic knowledge of networks,

Preface 15Installation and Networking Guidelines for Optical Routing How to get helpIf you purchased a service contract for your Nortel Networks produ

16 Preface212257-B

17Installation and Networking Guidelines for Optical Routing Chapter 1Describing the optical routing systemNortel Networks* optical routing system use

18 Chapter 1 Describing the optical routing system212257-B Parts of the optical routing systemThe optical routing system includes the following parts:

Chapter 1 Describing the optical routing system 19Installation and Networking Guidelines for Optical Routing Figure 2 CWDM GBIC transceiver and labe

2212257-B Copyright © 2002 Nortel NetworksAll rights reserved. January 2002.The information in this document is subject to change without notice. The

20 Chapter 1 Describing the optical routing system212257-B Figure 3 CWDM OADM network and equipment side connections The CWDM OADM (Figure 4) is ins

Chapter 1 Describing the optical routing system 21Installation and Networking Guidelines for Optical Routing Figure 5 shows an example of two separate

22 Chapter 1 Describing the optical routing system212257-B Figure 6 Four-channel CWDM OMUX front panel Connectors with color-coded labels (Table 1)

Chapter 1 Describing the optical routing system 23Installation and Networking Guidelines for Optical Routing Figure 8 CWDM OMUX-8 network and equipm

24 Chapter 1 Describing the optical routing system212257-B Figure 9 CWDM OMUX point-to-point configuration example For information about calculating

Chapter 1 Describing the optical routing system 25Installation and Networking Guidelines for Optical Routing Figure 10 CWDM OMUX ring configuration

26 Chapter 1 Describing the optical routing system212257-B

27Installation and Networking Guidelines for Optical Routing Chapter 2Calculating transmission distanceThis chapter will help you determine the maximu

28 Chapter 2 Calculating transmission distance212257-B How to calculate expected loss budgetTo calculate the expected loss budget for a proposed netwo

Chapter 2 Calculating transmission distance 29Installation and Networking Guidelines for Optical Routing ProcedureTo calculate the maximum transmissio

3Installation and Networking Guidelines for Optical Routing Japan/Nippon requirements onlyVoluntary Control Council for Interference (VCCI) statementT

30 Chapter 2 Calculating transmission distance212257-B Table 3 shows typical loss values that can be used to calculate the transmission distance for t

Chapter 2 Calculating transmission distance 31Installation and Networking Guidelines for Optical Routing As it passes from point A to point B (the mos

32 Chapter 2 Calculating transmission distance212257-B Table 5 shows typical loss values that can be used to calculate the transmission distance for t

Chapter 2 Calculating transmission distance 33Installation and Networking Guidelines for Optical Routing Hub and spoke transmission distance Hub and S

34 Chapter 2 Calculating transmission distance212257-B Table 7 shows typical loss values that can be used to calculate the transmission distance for t

35Installation and Networking Guidelines for Optical Routing Chapter 3Installing the shelf, OADM, and OMUXThe shelf and multiplexers are passive equip

36 Chapter 3 Installing the shelf, OADM, and OMUX212257-B Figure 14 Class 1M laser warningEnvironmental and physical requirementsThe optical routing

Chapter 3 Installing the shelf, OADM, and OMUX 37Installation and Networking Guidelines for Optical Routing • Clear the area of synthetic materials su

38 Chapter 3 Installing the shelf, OADM, and OMUX212257-B Figure 15 Shelf with plug-in module in 19-inch rackInserting a CWDM OADM or a CWDM OMUX CW

Chapter 3 Installing the shelf, OADM, and OMUX 39Installation and Networking Guidelines for Optical Routing To insert a CWDM OADM or a CWDM OMUX in th

4212257-B Nortel Networks Inc. software license agreementNOTICE: Please carefully read this license agreement before copying or using the accompanying

40 Chapter 3 Installing the shelf, OADM, and OMUX212257-B 2 Insert the wavelength-specific CWDM GBICs into their respective network device(s). To inst

Chapter 3 Installing the shelf, OADM, and OMUX 41Installation and Networking Guidelines for Optical Routing Cabling a four-channel CWDM OMUX This sect

42 Chapter 3 Installing the shelf, OADM, and OMUX212257-B 4 Make the following network backbone connections (Figure 17):• Connect the network backbone

Chapter 3 Installing the shelf, OADM, and OMUX 43Installation and Networking Guidelines for Optical Routing 4 Make the following network backbone conn

44 Chapter 3 Installing the shelf, OADM, and OMUX212257-B Removing a CWDM OADM or a CWDM OMUX CWDM OADMs and CWDM OMUXs are passive devices that requi

45Installation and Networking Guidelines for Optical Routing Appendix ACWDM OADM specifications Table 9 CWDM OADM specifications Item Specification

46 Appendix A CWDM OADM specifications212257-B

47Installation and Networking Guidelines for Optical Routing Appendix BCWDM OMUX specificationsTable 10 CWDM OMUX specifications Item Specification

48 Appendix B CWDM OMUX specifications212257-B

49Installation and Networking Guidelines for Optical Routing Appendix CHandling and cleaning fiber optic equipment PrecautionsAlthough the glass optic

5Installation and Networking Guidelines for Optical Routing to any third party the Software, or any information about the operation, design, performan

50 Appendix C Handling and cleaning fiber optic equipment212257-B Frequent overstressing of fiber optic cable causes progressive degeneration that lea

Appendix C Handling and cleaning fiber optic equipment 51Installation and Networking Guidelines for Optical Routing Before connecting them to transmis

52 Appendix C Handling and cleaning fiber optic equipment212257-B 4 Dry the connector surfaces by applying canned air or letting them air dry.Cleaning

Appendix C Handling and cleaning fiber optic equipment 53Installation and Networking Guidelines for Optical Routing Cleaning Receptacle or Duplex Devi

54 Appendix C Handling and cleaning fiber optic equipment212257-B

55Installation and Networking Guidelines for Optical Routing GlossaryattenuationThe decrease in signal strength in an optical fiber caused by absorpti

56 Glossary212257-BCD-ROMcompact disc read-only memoryA compact disc with pre-recorded data, normally used in large database-type applications such as

Glossary 57Installation and Networking Guidelines for Optical Routing demultiplexingThe separating of different wavelengths in a wavelength-division m

58 Glossary212257-BfiberSee optical fiber.fiber lossAlso optical fiber loss. The attenuation of the light signal in optical-fiber transmission. fiber-

Glossary 59Installation and Networking Guidelines for Optical Routing hubA group of circuits connected at one point on a network.insertion lossIn an o

6212257-B Licensee fails to comply with any of the terms and conditions of the license. Upon termination for any reason, Licensee will immediately des

60 Glossary212257-Bloss budgetThe amount of optical power launched into a system that will be lost through various mechanisms, such as insertion losse

Glossary 61Installation and Networking Guidelines for Optical Routing NDSFnon-dispersion-shifted fiber A type of optical fiber optimized for the 1310

62 Glossary212257-Beach signal level thereafter operates at a speed divisible by that number. For example, OC-3 operates at 155.52 Mbit/s.OC-1optical

Glossary 63Installation and Networking Guidelines for Optical Routing optical waveguideSee optical fiber.passive deviceA device that does not require

64 Glossary212257-Bsingle-mode fiber See SMF. SMFA mode is one of the various light waves that can be transmitted in an optical fiber. Each optical si

Glossary 65Installation and Networking Guidelines for Optical Routing WDMwavelength division multiplexingTransmitting many different colors (wavelengt

66 Glossary212257-B

Installation and Networking Guidelines for Optical Routing67 IndexAadd/drop muxconnecting cables 39description 19insert in shelf 38remove from shelf 4

68 Index212257-Bequipment side connectionsadd/drop mux 39eight-channel mux/demux 42four-channel mux/demux 41FFC connectors, cleaning 51fiber optic cab

Index 69Installation and Networking Guidelines for Optical Routing optical routing systemdescription 17shelf, installing 37Ppassband, specificationadd

7Installation and Networking Guidelines for Optical Routing ContentsPreface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

70 Index212257-B

8 Contents212257-BChapter 3Installing the shelf, OADM, and OMUX . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35Preparing for installation

9Installation and Networking Guidelines for Optical Routing FiguresFigure 1 Wavelength division multiplexing . . . . . . . . . . . . . . . . . . . .