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Cisco CWDM Passive Optical System

Installation Note

This document provides installation instructions for the Cisco Coarse Wave Division Multiplexer

(CWDM) passive optical system. The CWDM passive optical system product numbers are listed in

Table 1.

Table 1 CWDM Passive Optical System Product Numbers

Product Number Description

CWDM-CHASSIS-2= 2-slot chassis, 1 RU

CWDM-MUX8A= 8-channel MUX/DEMUX module

CWDM-OADM4-1= 4-channel OADM module (1470, 1490, 1510, and

1530 nm)

CWDM-OADM4-2= 4-channel OADM module (1550, 1570, 1590, and

1610 nm)

CWDM-OADM1-1470= Dual single-channel OADM module, 1470 nm

CWDM-OADM1-1490= Dual single-channel OADM module, 1490 nm

CWDM-OADM1-1510= Dual single-channel OADM module, 1510 nm

CWDM-OADM1-1530= Dual single-channel OADM module, 1530 nm

CWDM-OADM1-1550= Dual single-channel OADM module, 1550 nm

CWDM-OADM1-1570= Dual single-channel OADM module, 1570 nm

CWDM-OADM1-1590= Dual single-channel OADM module, 1590 nm

CWDM-OADM1-1610= Dual single-channel OADM module, 1610 nm

WDM-1300-1550-S= 1300 nm/1550 nm splitter cable

CAB-SM-LCSC-1M= LC to SC connector cable, 1 m

CAB-SM-LCSC-5M= LC to SC connector cable, 5 m

Cisco CWDM Passive Optical System Installation Note

78-16565-02

Contents

This installation note contains the following sections:

•Overview, page 2

•Safety Overview, page 9

•Installing the CWDM Passive Optical System, page 15

•Connecting the CWDM Passive Optical System to Your System, page 18

•Specifications, page 25

•Translated Safety Warnings, page 27

•Obtaining Documentation and Submitting a Service Request, page 35

Overview

The Cisco CWDM passive optical system provides optical networking support for high-speed data

communication for metropolitan area networks (MANs) over a grid of eight CWDM optical wavelengths

in both ring configurations or point-to-point configurations.

The Cisco CWDM passive optical system includes these components:

•2-slot chassis for Cisco Optical Add/Drop Multiplexers (OADMs)

•CWDM OADMs

–

8-channel multiplexer/demultiplexer

–

Two 4-channel OADMs

–

Eight dual single-channel OADMs

•1300 nm/1550 nm WDM splitter cable

•CWDM GBIC and CWDM SFP transceivers

CWDM 2-Slot Chassis

The CWDM 2-slot chassis (CWDM-CHASSIS-2) is a standard 19-inch chassis that is one rack unit (RU)

in height. Each CWDM 2-slot chassis can hold two CWDM OADM modules. You can install the CWDM

2-slot chassis in the same equipment rack as your system or in an adjacent rack so that you can connect

the OADMs to the CWDM GBIC transceivers or the CWDM SFP transceivers.

Cisco CWDM Passive Optical System Installation Note

78-16565-02

Overview

CWDM OADMs

The CWDM OADMs are passive devices that can multiplex/demultiplex or add/drop wavelengths from

multiple fibers onto one optical fiber. The OADM connectors are interfaced to the color-matching

CWDM GBIC or CWDM SFP transceivers on the equipment side. All OADMs are the same size. Two

OADM modules can be installed in a CWDM 2-slot chassis (CWDM-CHASSIS-2). There are three

different types of CWDM OADM modules

8-Channel Multiplexer/Demultiplexer (CWDM-MUX-8A=)

The 8-Channel Multiplexer/Demultiplexer (CWDM-MUX-8A=) allows you to multiplex/demultiplex

eight separate channels into one pair of fiber. Dual fiber is used for both the network connection and the

CWDM GBIC or CWDM SFP transceiver connections. The eight available wavelengths are 1470-nm,

1490-nm, 1510-nm, 1530-nm, 1550-nm, 1570-nm, 1590-nm, and 1610-nm. The

multiplexer/demultiplexer, shown in Figure 1, is equipped with a monitor port that allows you to attach

a power meter or an optical spectrum analyzer to assist you in monitoring and troubleshooting the

network.

Figure 1 8-Channel Multiplexer/Demultiplexer (CWDM-MUX8) Front Panel

4-Channel OADM (CWDM-OADM4-1= and CWDM-OADM4-2=)

The 4-Channel OADM (CWDM-OADM4-1= and CWDM-OADM4-2=) allows you to add/drop four

channels (with different wavelengths) into one direction of an optical ring. The other wavelengths are

passed through the OADM. The 4-channel OADMs are transparent to the 1300-nm wavelength and

includes a 1300-nm/1500-nm filter to mix legacy SONET/SDH/ATM ring installations with CWDM

installations on the same optical fiber. Dual fiber is used for both the network and the GBIC or SFP

connections. The two 4-channel OADMs, shown in Figure 2 and Figure 3, support the following

wavelengths:

•CWDM-OADM4-1—1470-nm, 1490-nm, 1510-nm, and 1530-nm.

•CWDM-OADM4-2—1550-nm, 1570-nm, 1590-nm, and 1610-nm.

The 4-channel OADM modules are equipped with a monitor port that allows you to attach a power meter

or an optical spectrum analyzer to assist you in monitoring and troubleshooting the network.

114000

CWDM-

MUX-8A

INVISIBLE LASER

DO NOT VIEW

MONITOR

NETWORK

1530

1510

1490

1470

1570

1550

1610

1590

Cisco CWDM Passive Optical System Installation Note

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Overview

Figure 2 4-Channel OADM (CWDM-OADM4-1) Front Panel

Figure 3 4-Channel OADM (CWDM-OADM4-2) Front Panel

Dual Single-Channel OADMs (CWDM-OADM1-xxxx)

The Dual Single-Channel OADMs (CWDM-OADM1-xxxx) allows you to add/drop two channels of the

same wavelength into the two directions of an optical ring. The other wavelengths are passed through

the OADM. The dual single-channel OADMs are transparent to the 1300-nm wavelength and includes a

1300-nm/1500-nm filter to mix legacy SONET/SDH/ATM ring installations with CWDM installations

on the same optical fiber. Dual fiber is used for both the network and the CWDM GBIC and CWDM SFP

connections. Eight versions of this OADM are available, one for each wavelength of light. (See Table 2.)

The dual single-channel OADMs, shown in Figures 4through 11, are color coded and match the color

coding of the CWDM GBIC and CWDM SFP transceivers. The dual single-channel OADM modules are

equipped with a monitor port that allows you to attach a power meter or an optical spectrum analyzer to

assist you in monitoring and troubleshooting the network.

Table 3 provides a comparison of the CWDM passive device types.

113998

CWDM-

OADM4-1

INVISIBLE LASER

DO NOT VIEW

MONITOR

NETWORK

MONITOR

PASS

1490

1470

1530

1510

113999

CWDM-

OADM4-2

INVISIBLE LASER

DO NOT VIEW

MONITOR

NETWORK

MONITOR

PASS

1570

1550

1610

1590

Table 2 Dual Single-Channel OADMs

Product Number Description

Connector Color

Code

CWDM-OADM1-1470= Dual single-channel OADM (1470 nm) Gray

CWDM-OADM1-1490= Dual single-channel OADM (1490 nm) Violet

CWDM-OADM1-1510= Dual single-channel OADM (1510 nm) Blue

CWDM-OADM1-1530= Dual single-channel OADM (1530 nm) Green

CWDM-OADM1-1550= Dual single-channel OADM (1550 nm) Yellow

CWDM-OADM1-1570= Dual single-channel OADM (1570 nm) Orange

CWDM-OADM1-1590= Dual single-channel OADM (1590 nm) Red

CWDM-OADM1-1610= Dual single-channel OADM (1610 nm) Brown

Cisco CWDM Passive Optical System Installation Note

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Overview

The OADM module ports are color coded to help with installation. Each color indicates the wavelength

of the port. For more information about the color codes, see the “Connecting the CWDM Passive Optical

System to Your System” section on page 18.

Figure 4 Dual Single-Channel OADM Front Panel (1610 nm)

Figure 5 Dual Single-Channel OADM Front Panel (1590 nm)

Figure 6 Dual Single-Channel OADM Front Panel (1570 nm)

Table 3 CWDM Passive Device Type Comparison

Product Number Device Type

Number of

FiberStrandsto

the Network

Number of

Gigabit

Ethernet Links

(Maximum)

Network

Architecture

Options

CWDM-OADM1-xxxx= OADM (dual

add/drop)

22Ring

(point-to-point

possible)

CWDM-OADM4-1=

CWDM-OADM4-2=

OADM24Ring,

point-to-point

CWDM-MUX8= Mux/Demux 2 8 Ring,

point-to-point

CISCO WDM SERIES

113964

RX TX RX

WEST EAST

1610

EQUIPMENT

NET

CWDM-

OADM1-

1610

INVISIBLE LASER

DO NOT VIEW

TX RX

1610MONITOR

NETWORK

MONITOR

NETWORK

CISCO WDM SERIES

113965

RX TX RX

WEST EAST

1590

EQUIPMENT

NET

CWDM-

OADM1-

1590

INVISIBLE LASER

DO NOT VIEW

TX RX

1590MONITOR

NETWORK

MONITOR

NETWORK

CISCO WDM SERIES

113966

RX TX RX

WEST EAST

1570

EQUIPMENT

NET

CWDM-

OADM1-

1570

INVISIBLE LASER

DO NOT VIEW

TX RX

1570MONITOR

NETWORK

MONITOR

NETWORK

Cisco CWDM Passive Optical System Installation Note

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Overview

Figure 7 Dual Single-Channel OADM Front Panel (1550 nm)

Figure 8 Dual Single-Channel OADM Front Panel (1530 nm)

Figure 9 Dual Single-Channel OADM Front Panel (1510 nm)

Figure 10 Dual Single-Channel OADM Front Panel (1490 nm)

Figure 11 Dual Single-Channel OADM Front Panel (1470 nm)

CISCO WDM SERIES

113967

RX TX RX

WEST EAST

1550

EQUIPMENT

NET

CWDM-

OADM1-

1550

INVISIBLE LASER

DO NOT VIEW

TX RX

1550MONITOR

NETWORK

MONITOR

NETWORK

CISCO WDM SERIES

113968

RX TX RX

WEST EAST

1530

EQUIPMENT

NET

CWDM-

OADM1-

1530

INVISIBLE LASER

DO NOT VIEW

TX RX

1530MONITOR

NETWORK

MONITOR

NETWORK

CISCO WDM SERIES

113969

RX TX RX

WEST EAST

1510

EQUIPMENT

NET

CWDM-

OADM1-

1510

INVISIBLE LASER

DO NOT VIEW

TX RX

1510MONITOR

NETWORK

MONITOR

NETWORK

CISCO WDM SERIES

113970

RX TX RX

WEST EAST

1490

EQUIPMENT

NET

CWDM-

OADM1-

1490

INVISIBLE LASER

DO NOT VIEW

TX RX

1490MONITOR

NETWORK

MONITOR

NETWORK

CISCO WDM SERIES

113971

RX TX RX

WEST EAST

1470

EQUIPMENT

NET

CWDM-

OADM1-

1470

INVISIBLE LASER

DO NOT VIEW

TX RX

1470MONITOR

NETWORK

MONITOR

NETWORK

Cisco CWDM Passive Optical System Installation Note

78-16565-02

Overview

WDM Splitter Cable (WDM-1300-1550-S=)

The WDM splitter cable provides bidirectional, multiplexing/demultiplexing for 1310-nm and 1550-nm

signals. The WDM splitter cable is a Y cable (see Figure 12) with a 1310-nm branch terminating in an

SC connector and a 1550-nm branch terminating in an LC connector. The common trunk branch of the

Y cable is terminated in an SC connector. The WDM splitter cable is 1 meter in length.

Figure 12 WDM Splitter Cable

CWDM GBIC and CWDM SFP Transceivers

The CWDM GBIC and CWDM SFP transceivers are hot-swappable input/output devices that link your

switching module to the CWDM passive optical system using a pair of single-mode fiber-optic cables.

The two transceiver types have different form factors and use different fiber-optic cable connectors.

Figure 13 shows a CWDM GBIC transceiver which uses an SC connector, and Figure 14 shows a

CWDM SFP transceiver which uses an LC connector.

Figure 13 CWDM GBIC

1300nm (1260-1360nm)

SC connector

Network

SC connector

1500nm (1460-1620nm)

LC connector

Splitter cable

(WDM-1300-1550-S=)

120107

1Color label identifying laser wavelength 5Optical bore dust plug

2Alignment groove 6Receive optical bore

3Spring clip 7Color dot identifying laser wavelength

4Transmit optical bore

SINGLE-MODE

1000BASE-CWDM GBIC

CWDM-GBIC-1550=

84472

Cisco CWDM Passive Optical System Installation Note

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Overview

Warning

Use of controls, adjustments, or performing procedures other than those specified may result in

hazardous radiation exposure.

Statement 1057

Figure 14 CWDM SFP

The CWDM GBIC and CWDM SFP transceivers are available in eight wavelengths. (See Table 4.) Each

CWDM GBIC and CWDM SFP transceiver is color coded to match the connector colors on the OADM

modules.

For information on installing, removing, and maintaining the CWDM GBIC and SFP transceivers, refer

to the Cisco CWDM GBIC and CWDM SFP Installation Note that accompanies the CWDM GBIC and

CWDM SFP transceivers.

113753

CWDM-SFP-1470-2G

Class 1 21CFR1040.10

LN#50 7/01 03-13

S/N: OH1233456

Color arrow on label

Receive optical bore

Transmit optical bore

Bail clasp

Dustplug

Table 4 CWDM GBIC and SFP Transceiver Color Codes

GBIC Transceiver

Product Number

SFP Transceiver

Product Number Description

Connector

Color Code

CWDM-GBIC-1470= CWDM-SFP-1470= 1000BASE-CWDM, 1470 nm Gray

CWDM-GBIC-1490= CWDM-SFP-1490= 1000BASE-CWDM, 1490 nm Violet

CWDM-GBIC-1510= CWDM-SFP-1510= 1000BASE-CWDM, 1510 nm Blue

CWDM-GBIC-1530= CWDM-SFP-1530= 1000BASE-CWDM, 1530 nm Green

CWDM-GBIC-1550= CWDM-SFP-1550= 1000BASE-CWDM, 1550 nm Yellow

CWDM-GBIC-1570= CWDM-SFP-1570= 1000BASE-CWDM, 1570 nm Orange

CWDM-GBIC-1590= CWDM-SFP-1590= 1000BASE-CWDM, 1590 nm Red

CWDM-GBIC-1610= CWDM-SFP-1610= 1000BASE-CWDM, 1610 nm Brown

Cisco CWDM Passive Optical System Installation Note

78-16565-02

Safety Overview

Throughout this publication, safety warnings appear in procedures that, if performed incorrectly, can

harm you. A warning symbol precedes each warning statement.

Statement 1071—Warning Definition

Warning

IMPORTANT SAFETY INSTRUCTIONS

This warning symbol means danger. You are in a situation that could cause bodily injury. Before you

work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar

with standard practices for preventing accidents. Use the statement number provided at the end of

each warning to locate its translation in the translated safety warnings that accompanied this

device.

SAVE THESE INSTRUCTIONS

Waarschuwing

BELANGRIJKE VEILIGHEIDSINSTRUCTIES

Dit waarschuwingssymbool betekent gevaar. U verkeert in een situatie die lichamelijk letsel kan

veroorzaken. Voordat u aan enige apparatuur gaat werken, dient u zich bewust te zijn van de bij

elektrische schakelingen betrokken risico's en dient u op de hoogte te zijn van de standaard

praktijken om ongelukken te voorkomen. Gebruik het nummer van de verklaring onderaan de

waarschuwing als u een vertaling van de waarschuwing die bij het apparaat wordt geleverd, wilt

raadplegen.

BEWAAR DEZE INSTRUCTIES

Varoitus

TÄRKEITÄ TURVALLISUUSOHJEITA

Tämä varoitusmerkki merkitsee vaaraa. Tilanne voi aiheuttaa ruumiillisia vammoja. Ennen kuin

käsittelet laitteistoa, huomioi sähköpiirien käsittelemiseen liittyvät riskit ja tutustu

onnettomuuksien yleisiin ehkäisytapoihin. Turvallisuusvaroitusten käännökset löytyvät laitteen

mukana toimitettujen käännettyjen turvallisuusvaroitusten joukosta varoitusten lopussa näkyvien

lausuntonumeroiden avulla.

SÄILYTÄ NÄMÄ OHJEET

Attention

IMPORTANTES INFORMATIONS DE SÉCURITÉ

Ce symbole d'avertissement indique un danger. Vous vous trouvez dans une situation pouvant

entraîner des blessures ou des dommages corporels. Avant de travailler sur un équipement, soyez

conscient des dangers liés aux circuits électriques et familiarisez-vous avec les procédures

couramment utilisées pour éviter les accidents. Pour prendre connaissance des traductions des

avertissements figurant dans les consignes de sécurité traduites qui accompagnent cet appareil,

référez-vous au numéro de l'instruction situé à la fin de chaque avertissement.

CONSERVEZ CES INFORMATIONS

Cisco CWDM Passive Optical System Installation Note

78-16565-02

Safety Overview

Warnung

WICHTIGE SICHERHEITSHINWEISE

Dieses Warnsymbol bedeutet Gefahr. Sie befinden sich in einer Situation, die zu Verletzungen führen

kann. Machen Sie sich vor der Arbeit mit Geräten mit den Gefahren elektrischer Schaltungen und

den üblichen Verfahren zur Vorbeugung vor Unfällen vertraut. Suchen Sie mit der am Ende jeder

Warnung angegebenen Anweisungsnummer nach der jeweiligen Übersetzung in den übersetzten

Sicherheitshinweisen, die zusammen mit diesem Gerät ausgeliefert wurden.

BEWAHREN SIE DIESE HINWEISE GUT AUF.

Avvertenza

IMPORTANTI ISTRUZIONI SULLA SICUREZZA

Questo simbolo di avvertenza indica un pericolo. La situazione potrebbe causare infortuni alle

persone. Prima di intervenire su qualsiasi apparecchiatura, occorre essere al corrente dei pericoli

relativi ai circuiti elettrici e conoscere le procedure standard per la prevenzione di incidenti.

Utilizzare il numero di istruzione presente alla fine di ciascuna avvertenza per individuare le

traduzioni delle avvertenze riportate in questo documento.

CONSERVARE QUESTE ISTRUZIONI

Advarsel

VIKTIGE SIKKERHETSINSTRUKSJONER

Dette advarselssymbolet betyr fare. Du er i en situasjon som kan føre til skade på person. Før du

begynner å arbeide med noe av utstyret, må du være oppmerksom på farene forbundet med

elektriske kretser, og kjenne til standardprosedyrer for å forhindre ulykker. Bruk nummeret i slutten

av hver advarsel for å finne oversettelsen i de oversatte sikkerhetsadvarslene som fulgte med denne

enheten.

TA VARE PÅ DISSE INSTRUKSJONENE

Aviso

INSTRUÇÕES IMPORTANTES DE SEGURANÇA

Este símbolo de aviso significa perigo. Você está em uma situação que poderá ser causadora de

lesões corporais. Antes de iniciar a utilização de qualquer equipamento, tenha conhecimento dos

perigos envolvidos no manuseio de circuitos elétricos e familiarize-se com as práticas habituais de

prevenção de acidentes. Utilize o número da instrução fornecido ao final de cada aviso para

localizar sua tradução nos avisos de segurança traduzidos que acompanham este dispositivo.

GUARDE ESTAS INSTRUÇÕES

¡Advertencia!

INSTRUCCIONES IMPORTANTES DE SEGURIDAD

Este símbolo de aviso indica peligro. Existe riesgo para su integridad física. Antes de manipular

cualquier equipo, considere los riesgos de la corriente eléctrica y familiarícese con los

procedimientos estándar de prevención de accidentes. Al final de cada advertencia encontrará el

número que le ayudará a encontrar el texto traducido en el apartado de traducciones que acompaña

a este dispositivo.

GUARDE ESTAS INSTRUCCIONES

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