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I.S. EN 180000:1996
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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FIBRE OPTIC ATTENUATORS (GENERIC SPECIFICATION)
16-06-2000
06-09-1996
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
Foreword
Section One, General
1. General
1.1 Scope
1.2 Related documents
1.3 Definitions
Section Two, Requirements
2. Requirements
2.1 Classification
2.1.1 Type
2.1.2 Style
2.1.3 Variant
2.1.4 Climatic category
2.1.5 Assessment level
2.2 Minimum mandatory test sequence
2.3 Documentation
2.3.1 Symbols
2.3.2 Specification system
Blank detail specifications
Detail specifications
2.3.3 Drawings
Projection system
Dimensional system
Intermountability
2.3.4 Measurements
Measurement method
Reference components
Gauges
2.3.5 Test data sheets
2.3.6 Instructions for use
2.4 Design and construction
2.4.1 Materials
2.4.2 Workmanship
2.5 Quality
2.6 Performance
2.7 Identification and marking
2.7.1 Variant identification number
2.7.2 Component marking
2.7.3 Package marking
2.8 Packaging
Section Three, Quality assessment procedures
3. Quality assessment procedures
3.1 Primary stage of manufacture
3.2 Structural similarity
3.3 Qualification approval procedures
3.3.1 Fixed sample procedure
3.3.2 Lot-by-Lot and periodic procedure
3.3.3 Sample size
3.3.4 Preparation of specimens
3.3.5 Qualification testing
3.3.6 Qualification failures
3.3.7 Maintenance of qualification approval
3.3.8 Qualification report
3.4 Quality conformance inspection
3.4.1 Lot-by-Lot inspection
Formation of inspection lots
Rejected lots
3.4.2 Periodic inspection
Sample size
Preparation of specimens
Periodic inspection
Periodic inspection failures
Periodic inspection report
3.5 Certified records of released lots
3.6 Delayed deliveries
3.7 Delivery release before completion of
group B tests
3.8 Alternative test methods
3.9 Unchecked parameters
Section Four, Measurement and environmental
test procedures
4. Measurement and environmental test
procedures
4.1 Standard conditions
4.2 Specimen
4.3 Cleaning of optical surfaces
4.4 Measurement procedures
4.4.1 Visual inspection
4.4.2 Dimensions and mass
4.4.3 Examination of product
4.4.4 Flammability
4.4.5 Attentuation value
4.4.6 Return loss
4.4.7 Spectral dependence of attenuation
value and return loss
4.4.8 Polarization dependence of attenuation
value and return loss
4.4.9 Modal dependence of attenuation
value and return loss
4.4.10 Change in transmitted optical power
4.4.11 Maximum input power
4.5 Environmental test procedures
4.5.1 Vibration
4.5.2 Effectiveness of fibre or ferrule
retention
4.5.3 Static load
4.5.4 Pulling
4.5.5 Torsion
4.5.6 Strength of coupling mechanism
4.5.7 Bending moment
4.5.8 Bump
4.5.9 Shock
4.5.10 Crush resistance
4.5.11 Axial compression
4.5.12 Impact
4.5.13 Acceleration
4.5.14 Drop
4.5.15 Coupling proof torque
4.5.16 Mould growth
4.5.17 Cold
4.5.18 Dry heat
4.5.19 Dump heat (steady state)
4.5.20 Climatic sequence
4.5.21 Condensation
4.5.22 Change of temperature
4.5.23 Sealing (sealed attenuators)
4.5.24 Sealing (water immersion)
4.5.25 Sealing (hermetic)
4.5.26 Salt mist
4.5.27 Dust
4.5.28 Industrial atmosphere (sulphur
dioxide)
4.5.29 Low air pressure
4.5.30 Solar radiation
4.5.31 Nuclear radiation
4.5.32 Mechanical endurance
4.5.33 High temperature endurance
4.5.34 Resistance to solvents and
contaminating fluids
4.5.35 Cable nutation
Annexes (informative)
A Size measurements
B Summary of definitions from IEC
Publications
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