Generic Requirements for Fiber Optic Attenuators. Contents

Transcription

1 Generic Requirements for Fiber Optic Attenuators Preface... Preface 1 1. Introduction Document Description Requirements Terminology Requirement Labeling Conventions Numbering of Requirement and Related Objects Requirement, Conditional Requirement, and Objective Object Identification Changes from GR-910-CORE, Issue Organization General Information General Product Description Attenuator Technology Attenuator Applications Environmental Conditions General and Design Criteria Documentation General Documentation Workcenter Information Package Marking, Packaging and Shipping Physical Design Criteria Optical Fiber Optical Connectors Cleanability Intermateability Materials Toxicity Corrosion Resistance Dissimilar Metals Fungus Resistance Flammability Safety Mounting Outside Plant Location Index Matching Change of Attenuation v

2 GR 910 CORE 4. Performance Criteria Environmental and Mechanical Criteria Controlled Operating Environment Uncontrolled Operating Environment Non-Operating Environment Humidity/Condensation Cycling Test Water Immersion Vibration Flex Test Twist Test Side Pull Load Cable Retention Durability Impact Test Optical Criteria Optical Bandpass Change in Attenuation Attenuation Tolerance Attenuation Increments and Range Reflectance Polarization-Dependent Loss (PDL) Polarization-Mode Dispersion (PMD) Damage Criteria Performance Verification/Test Procedures Environmental and Mechanical Testing Controlled Operating Environment Uncontrolled Operating Environment Non-Operating Environment Humidity/Condensation Cycling Test Water Immersion Vibration Test Flex Test Twist Test Side Pull Cable Retention Durability Impact Test Optical Testing Optical Bandpass Change in Attenuation Attenuation Tolerance Attenuation Increments and Range Reflectance Polarization-Dependent Loss (PDL) vi

3 5.2.7 Polarization-Mode Dispersion (PMD) Passive Optical Component Code (POCC) Structure and Format Component Type Character Fiber Type and Operating Wavelength Region Character Cable Type Character Attenuation Value Characters Application Character Configuration Characters Example Reliability and Quality Assurance Program Reliability Assurance Requirements Philosophy Overview of Reliability Assurance Qualification Criteria Characterization Reliability Tests Failure Rate Prediction Optical Adhesives Quality Assurance and Lot Controls Visual Inspection Optical Testing Stress Screening Optical Adhesives Optical Connectors Optical Fiber Quality and Reliability Criteria Reliability Assurance Quality Technology Program References... References 1 Ref.1 Bellcore Documents... References 1 Ref.2 External References... References 2 References... References 7 Glossary...Glossary 1 Acronyms...Glossary 4 vii

4 GR 910 CORE viii

5 List of Figures List of Figures Figures Figure 2-1. The a) Fixed and b) Variable Attenuator Components Figure 2-2. Attenuator Types a) Connector Receptacle, b) Optical Pad, c) Patchcord. 2 3 Figure 2-3. Optical Transmission Using a Variable Attenuator Figure 2-4. Central Wavelength Variation of Uncontrolled Optical Source Figure 5-1. Transmission Measurement Facility Figure 5-2. Controlled Operating Environment Temperature Profile Figure 5-3. Uncontrolled Environment Temperature Profile Figure 5-4. Humidity/Condensation Temperature Profile Figure db Attenuator Optical Bandpass Spectra Figure 5-6. Attenuation Loss Measurement Figure 5-7. Configuration for Measuring Polarization Dependent Loss Figure 5-8. Mechanical Test Facility for Flex, Twist, Side Pull and Cable Retention Tests Figure 7-1. Elements of a Comprehensive Reliability Assurance Program ix

6 GR 910 CORE List of Figures x

7 List of Tables List of Tables Tables Table 4-1. Summary of Attenuator Performance Criteria and Test Sequence Table 4-2. Tensile Loads for Mechanical Tests Table 4-3. Optical Bandpass Criteria Table 5-1. Number of Turns for Twist Test Table 5-2. Side Pull Tensile Loading Table 6-1. Passive Optical Component Manufacturer Code POCC Table 6-2. POCC Character Description Table 6-3. POCC Character S Table 6-4. POCC Character S Table 6-5. POCC Character S Table 6-6. POCC Character S Table 6-7. POCC Interpretation Table 7-1. Test Matrix for Demonstrating Acceleration Factors [Relative Humidity as a Function of Temperature and Absolute Humidity]. 7 6 xi