Transcript
GR–409–CORE Issue 1, May 1994
Generic Requirements for Premises Fiber Optic Cable Contents
Generic Requirements for Premises Fiber Optic Cable Contents
Telcordia GR-409-Documentation InformationContents
Preface ................................................................................................................... Prefa ce–1 PrefaceFA-TA-TR to GR................................................................................ Preface–1 PrefaceTransition Phase.................................................................................. Preface–1 PrefaceComments and Issues List Reports Mechanism ................................. Preface–2 PrefaceGR–409 Current Maturity Level, Status and Plans............................. Preface–2 PrefaceFormatting Comments......................................................................... Preface–3 Where & When to Submit Comments ............................................................ Preface–3 1. Introduction............................................................................................................... 1–1 1.1 Purpose and Scope of Document .................................................................... 1–1 1.2 Organization .................................................................................................... 1–1 2. General Information.................................................................................................. 2–1 2.1 Requirements Terminology............................................................................. 2–1 2.2 Requirement Labeling Conventions................................................................ 2–1 2.2.1 Numbering of Requirement and Related Objects ............................. 2–2 2.2.2 Requirement and Objective Object Identification ............................ 2–2 2.1 General Product Description ........................................................................... 2–2 2.1.1 Characteristics of Optical Fiber ........................................................ 2–4 2.1.1.1 Optical Characteristics....................................................... 2–4 2.1.1.2 Mechanical Characteristics ................................................ 2–5 2.1.2 Characteristics of Optical Cable ....................................................... 2–6 2.1.3 Classification of Optical Cables ........................................................ 2–6 2.1.4 Safety .............................................................................................. 2–10 2.2 Upgrading to Meet Future Capacity Requirements ...................................... 2–10 2.3 Optical Fiber Compatibility .......................................................................... 2–10 3. Product Qualification Requirements......................................................................... 3–1 3.1 Optical Fiber Product Qualification ................................................................ 3–1 3.1.1 Single-Mode Optical Fiber Product Qualification ............................ 3–1 3.1.2 Multimode Optical Fiber Product Qualification ............................... 3–1 3.2 Fiber Ribbon Product Qualification ................................................................ 3–2 3.3 Optical Cable Product Qualification ............................................................... 3–2 4. Requirements and Test Procedures for Optical Fiber ............................................... 4–1 4.1 Requirements for Single-Mode Fiber.............................................................. 4–1 4.1.1 Cutoff Wavelength ............................................................................ 4–1 4.1.2 Geometrical Requirements ................................................................ 4–4 4.2 Requirements for Multimode Fiber................................................................. 4–5 4.2.1 Attenuation Coefficient ..................................................................... 4–5
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Generic Requirements for Premises Fiber Optic Cable Contents
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GR–409–CORE Issue 1, May 1994
4.2.2 Point Discontinuities ......................................................................... 4–5 4.2.3 Multimode Fiber Bandwidth ............................................................. 4–6 4.2.4 Geometrical Requirements for Multimode Fiber .............................. 4–6 4.2.5 Fiber Macrobend ............................................................................... 4–8 Mechanical Requirements for Single-Mode and Multimode Fiber ................ 4–8 4.3.1 Coating Strip Force ........................................................................... 4–8
5. Requirements and Test Procedures for Fiber Ribbons.............................................. 5–1 6. Requirements and Test Procedures for Optical Cables............................................. 6–1 6.1 Cable Construction.......................................................................................... 6–1 6.1.1 Cable Core ......................................................................................... 6–1 6.1.2 Number of Fibers per Cable .............................................................. 6–1 6.1.3 Number of Fibers Per Unit ................................................................ 6–1 6.1.4 Sheath Removal ................................................................................ 6–2 6.2 Cable Marking, Packaging and Shipping........................................................ 6–2 6.2.1 Cable Marking ................................................................................... 6–2 6.2.2 Cable Re-marking ............................................................................. 6–3 6.2.3 Identification Marking ...................................................................... 6–3 6.2.4 Cable Length and Length Markings .................................................. 6–3 6.2.5 Fiber and Unit Identification ............................................................. 6–4 6.2.6 Packaging .......................................................................................... 6–5 6.2.7 Shipping ............................................................................................ 6–7 6.3 Mechanical Requirements ............................................................................... 6–8 6.3.1 Optical Measurement Equipment ...................................................... 6–8 6.3.2 Cable Testing .................................................................................... 6–8 6.3.3 Low and High Temperature Cable Bend .......................................... 6–9 6.3.4 Impact Resistance ........................................................................... 6–10 6.3.5 Compressive Strength ..................................................................... 6–11 6.3.6 Tensile Strength of Cable ................................................................ 6–12 6.3.7 Cable Twist ..................................................................................... 6–13 6.3.8 Cable Cyclic Flexing ....................................................................... 6–14 6.4 Cable Materials ............................................................................................. 6–15 6.5 Cable Jacket Requirements ........................................................................... 6–15 6.5.1 Outside Jacket Material ................................................................... 6–15 6.5.2 Cable Jacket Tensile Strength and Ultimate Elongation ................. 6–16 6.5.3 Cable Outer Jacket Shrinkage ......................................................... 6–16 6.5.4 Cable Jacket Thickness ................................................................... 6–16 6.6 Environmental Requirements........................................................................ 6–17 6.6.1 Temperature Cycling ....................................................................... 6–17 6.6.2 Cable Aging .................................................................................... 6–19 6.6.3 Color Permanence ........................................................................... 6–19 6.7 Flammability Listing of Premises Cables ..................................................... 6–20 6.7.1 Plenum Cable .................................................................................. 6–20 6.7.2 Riser Cable ...................................................................................... 6–20
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GR–409–CORE Issue 1, May 1994
Generic Requirements for Premises Fiber Optic Cable Contents
6.7.3
General Purpose Cable .................................................................... 6–21
References ....................................................................................................... References–1 Bellcore References .................................................................................. References–1 External References .................................................................................. References–2 Glossary ...............................................................................................................Glossary–1 Index ......................................................................................................................... Index–1
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Generic Requirements for Premises Fiber Optic Cable List of Figures
List of Figures Figure 2-1. Figure 2-2. Figure 2-3. Figure 2-4. Figure 2-5. Figure 4-1. Figure 4-2. Figure 4-3. Figure 4-4.
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Figures
Cross Section: Generic Premises Distribution Cable (Ribbon)................ 2–7 Cross Section: Generic Premises Breakout Cable .................................... 2–7 Cross Section: Generic Premises Breakout Cable .................................... 2–8 Cross Section: Generic Interconnect (Simplex) Cable ............................. 2–8 Generic Interconnect (Duplex) Cable....................................................... 2–9 Cutoff Sample Configuration, Test A1-1, Interconnect............................ 4–2 Cutoff Sample Configuration, Test A1-1, Breakout/Distribution............. 4–3 Cutoff Sample Configuration, Test A 1-2, Interconnect............................ 4–3 Cutoff Sample Configuration, Test A1-2.................................................. 4–4
GR–409–CORE Issue 1, May 1994
Generic Requirements for Premises Fiber Optic Cable List of Tables
List of Tables
Tables
Table 3-1. Cable Design Family Matrix .................................................................... 3–4 … Table 1. Qualification Schedule for Optical Cable ....................................... 3–5
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