GR-765-CORE Single Fiber Single-Mode Optical Splices and Splicing Systems Contents. Contents. Telcordia GR-765-Documentation Information

Transcription

1 Telcordia GR-765-Documentation Information Generic Requirements Notice of Disclaimer iii v List of Figures ix List of Tables xi Preface xiii About GR-765-CORE xv To Submit Comments xv 1. Introduction Purpose and Scope Changes from TR-NWT , Issue Structure and Use of This Document Requirements Terminology Requirement Labeling Conventions Numbering of Requirement and Related Objects Requirement, Conditional Requirement, and Objective Object Identification General Information Types of Splicing Systems Fusion Splicing Mechanical Splicing Applicable Work Conditions Manufacturer's Data Product Analysis General Requirements and Objectives Documentation Practices Workcenter Information Package Safety Compatibility With Other Systems Fiber Preparation/Storage Adhesives General Splice Criteria Dimensions Interface with Optical Fibers Environmental Sealing Strain Relief Closed Splice Universal Installation Marking, Packaging, and Shipping Marking Package Label Packaging and Shipping v

2 4. Features, Functions, Performance Criteria Equipment: General Requirements and Objectives Portability Carrying Case Surface Finish and Markings Display and Controls Fiber Contacting Devices Features Product Information Splice Optical Criteria Mean Splice Loss Splice Yield Splice Reflectance Criteria Sensitivity to Fiber Geometry Fusion Splice Strength Criteria Equipment: Mechanical and Storage Environments Criteria Initial Operation Cleave Angle Tolerance Shock Vibration, Transportation Storage Environment Equipment: Electrical Requirements AC-Powered Equipment Battery Unit Battery Operation Electromagnetic Compatibility Materials and Consumables Criteria Coefficient of Thermal Expansion (CTE) Toxicity Fungus Resistance Shelf Life Index Matching Material Fiber Splicing - Installation Conditions Low Temperature Installation Criteria High Temperature and High Humidity Installation Criteria High Temperature, Low Humidity Installation Criteria High Altitude Electrode Wear Vibration During Operation Mechanical Splice Environmental Life Test Criteria Splice Strength Vibration Splice Loss Temperature Cycling Humidity/Condensation Cycling Effect of Immersion on Splice Performance Strength After Environmental Degradation vi

3 5. Performance Verification and Test Procedures General Information Selection of Optical Fiber Selecting the Test Product Instructions and Training Test Methods Experimental Error Mechanical Splice and Consumables Conditioning Product Analysis Procedures Splicing Test Series A - As Received, Storage, Handling Splicing Test Series B - Installation and Assembly Conditions Splicing Test Series C - Environmental Life Testing Splicing Equipment - Battery Tests Battery Life (Without Heat-Shrink) Battery Life (With Heat-Shrink) Fiber Splice Performance Parameters Mean Splice Loss Splice Yield Reflectance Splice Strength Torsional Test Splice Fiber Damage Test References References 1 Glossary Glossary 1 Requirement-Object Index ROI 1 vii

4 viii

5 List of Figures List of Figures Figure 2-1 Schematic of Fusion Splicing Process Figure 2-2 Schematic of Mechanical Splices Figure 3-1 Fiber Clamp and Guard Arrangements for Taut Sheath Environment vs. Optimum Visibility Figure 4-1 Schematic of Arc Test (Meltback Test) Figure 4-2 Effect of Cleave Angle and Arc Duration on Fusion Splice Loss Figure 5-1 Transmission Measurement Test Facility Figure 5-2 Description of OTDR Measurement Test Facility Figure 5-3 Automated OTDR Measurement Test Facility Figure 5-4 Key OTDR Reflectance Parameters Figure 5-5 Temperature Cycling Profiles Figure 5-6 Temperature/Humidity Profile for Humidity/Condensation Test Figure 5-7 Tensile Load Test Setup Figure 5-8 Schematic of Torsion Test Figure 5-9 Schematic View of Splice and Area of Possible Fiber Damage Figure 5-10 Supported Fiber Technique Figure 5-11 Effects of Fiber Handling Technique on Breaking Load Figure 5-12 Effects of Grip Mechanism ix

6 List of Figures x

7 List of Tables List of Tables Table 5-1 Splice and Material Conditioning Table 5-2 Splicing Test Series A Table 5-3 Splicing Test Series B - Assembly Conditions Table 5-4 Splicing Test Series C - Environmental Life Test Table 5-5 Optical Measurement Sequence for Environmental Life Test Table 5-6 Optical Criteria Applied During Environmental Life Test Table 5-7 Full Temperature Cycling Profile: Taking Measurements Table 5-8 Temperature Cycling Profile: Accelerated Mode Table 5-9 Temperature/Humidity Profile for Humidity/Condensation Test Table 5-10 Organisms Exposure for Bulk Mineral Oil-based Material Table 5-11 Organism Exposure for Completed Splices Table 5-12 Calculation Points for Mean Splice Loss Table 5-13 Calculation Points for Splice Yield xi