Nortel Networks 10292FA, 10396EA manual Tools and Materials, Cleaning Fiber Optic Connectors

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50Appendix C Handling and cleaning fiber optic equipment

Frequent overstressing of fiber optic cable causes progressive degeneration that leads to failure.

If you suspect damage to a fiber optic cable, either due to mishandling or an abnormally high error rate observed in one direction, reverse the cable pairs. If the high error rate appears in the other direction, replace the cable.

Tools and Materials

You need the following tools and materials to clean fiber optic connectors.

•Lint-free, non-abrasive wiping cloths

•Cotton swabs, with a tightly wrapped and talcum-free tip

•Optical-grade isopropyl alcohol (IPA)

•Canned compressed gas with extension tube

Warning: To prevent oil contamination of connectors, do not use commercial compressed air or house air in place of compressed gas.

Cleaning Fiber Optic Connectors

You must perform the following maintenance procedures to ensure that optical fiber assemblies function properly. To prevent them from collecting dust, make sure connectors are covered when not in use.

This section contains the following procedures for cleaning fiber optic assemblies:

•“Cleaning Single SC and FC Connectors” next

•“Cleaning Duplex SC Connectors” on page 52

•“Cleaning Receptacle or Duplex Devices” on page 53

Danger: To avoid getting debris in your eyes, wear safety glasses when working with the canned air duster.

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Contents Installation and Networking Guidelines for Optical Routing Copyright 2002 Nortel Networks 212257-BInstallation and Networking Guidelines for Optical Routing Canada requirements onlyNortel Networks Inc. software license agreement Installation and Networking Guidelines for Optical Routing 212257-B Contents Chapter Installing the shelf, OADM, and Omux ContentsFigures Figures 212257-B Tables Tables 212257-B Preface Component FunctionPreface Before you beginHard-copy technical manuals How to get help Technical Solutions Center TelephonePreface 212257-B Chapter Describing the optical routing system Wavelength division multiplexingDescribing the optical routing system Parts of the optical routing systemGigabit interface converter description Parts of the optical routing systemOptical add drop multiplexer description Cwdm Gbic transceiver and labelNetwork add/drop ring application Cwdm Oadm network and equipment side connectionsCwdm Oadm ring configuration example Optical multiplexer/demultiplexer descriptionCwdm OMUX-4 Cwdm Omux in a point-to-point application Cwdm OMUX-8 network and equipment side connectionsCwdm Omux point-to-point configuration example Cwdm Omux in a ring applicationCwdm Omux ring configuration example Describing the optical routing system 212257-B Chapter Calculating transmission distance About transmission distance and optical link budgetCalculating transmission distance How to calculate expected loss budgetHow to calculate maximum transmission distance Point-to-point network configuration example Point-to-point transmission distancePoint-to-point maximum transmission distance calculations Point-to-point signal loss valuesMesh ring transmission distance Mesh ring network configuration Mesh ring signal loss values Mesh ring maximum transmission distance calculationsHub and spoke network configuration Hub and spoke transmission distanceHub and spoke signal loss values Hub and spoke maximum transmission distance calculationsExceeding class 1 power level warning Chapter Installing the shelf, OADM, and OmuxPreparing for installation Electrostatic discharge Installing the shelf, OADM, and OmuxEnvironmental and physical requirements Installing the shelf Inserting a Cwdm Oadm or a Cwdm Omux Shelf with plug-in module in 19-inch rackCabling a Cwdm Oadm or a Cwdm Omux Cabling a Cwdm OadmCabling a Cwdm Oadm Cabling a four-channel Cwdm Omux Cabling a Cwdm OMUX-4Cabling an eight-channel Cwdm Omux Cabling an Cwdm OMUX-8 Removing a Cwdm Oadm or a Cwdm Omux Appendix a Cwdm Oadm specifications Cwdm Oadm specificationsAppendix a Cwdm Oadm specifications 212257-B Appendix B Cwdm Omux specificationsCwdm Omux specifications Appendix B Cwdm Omux specifications 212257-B Appendix C Handling and cleaning fiber optic equipment PrecautionsTools and Materials Cleaning Fiber Optic ConnectorsAppendix C Handling and cleaning fiber optic equipment Cleaning Single SC and FC Connectors Cleaning Duplex SC Connectors Cleaning Receptacle or Duplex Devices Page Glossary Glossary Dwdm See optical fiber Group of circuits connected at one point on a network See MMF Ndsf An optical wavelength band for WDM optical communications Device that does not require a source of energy to function See SMF WDM Glossary 212257-B Index Cwdm OmuxIndex OMUX, CwdmIndex Index 212257-B