YD/T 2341.1-2011 PDF English
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Field-mountable optical fiber connectors - Part 1: Mechanical type
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YD/T 2341.1-2011: Field-mountable optical fiber connectors - Part 1: Mechanical type---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/YDT2341.1-2011
YD
COMMUNICATION INDUSTRY STANDARD
ICS 33.180.20
M 33
Field-mountable optical fiber connectors -
Part 1.Mechanical type
Issued on. DECEMBER 20, 2011
Implemented on. DECEMBER 20, 2011
Issued by. Ministry of Industry and Information Technology of PRC
Table of Contents
Foreword... 3
1 Scope... 4
2 Normative references... 4
3 Terms and definitions... 5
4 Requirements... 6
5 Measurement and test... 12
6 Quality assessment procedures... 24
7 Inspection rules... 29
8 Marking, packaging, transportation, storage... 30
1 Scope
This Part specifies the requirements, measurement and testing, quality
assessment procedures, inspection rules, markings, packaging, transportation,
storage of mechanical type field-mountable optical fiber connectors (also known
as mechanical optical fiber quick connectors, hereinafter referred to as
mechanical field-mountable connectors).
This Part applies to mechanical type field-mountable fiber optical connectors.
2 Normative references
The following documents are essential to the application of this document. For
the dated documents, only the versions with the dates indicated are applicable
to this document; for the undated documents, only the latest version (including
all the amendments) is applicable to this standard.
GB/T 2421.1-2008 Environmental testing for electric and electronic products
- General and guidance
GB/T 2828.1-2003 Sampling procedures for inspection by attributes - Part 1.
Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot
inspection
GB/T 5169.16-2008 Fire hazard testing for electric and electronic products -
Part 16.Test flames - 50W horizontal and vertical flame test methods
3 Terms and definitions
The terms and definitions, as defined in YD/T 1272.1-2003, YD/T 1272.3-2005,
YD/T 1272.4-2007, as well as the following terms and definitions, apply to this
document.
3.1
Field-Mountable Optical Fiber Connector (FMC)
An optical fiber connector, which can be directly assembled on the sheath of
the optical fiber or optical cable, at the construction site, referred to as FMC.
3.2
Mechanical Field-Mountable Optical Fiber Connector
A field-mountable optical fiber connector, which is directly assembled by
simple tools and mechanical connection technology, without the need for a
thermal fusion splicer.
4 Requirements
4.1 Classification and model
4.1.1 Classification
4.1.1.3 Classification by applicable optical fiber or cable type
According to the matching optical fiber or optical cable, it can be divided into
the following two types.
4.1.1.4 Classification by the number of connection points
According to the number of connection points, it can be divided into the
following two types.
4.3 Material requirements
The materials, which are used in the field-mountable optical fiber connector,
shall meet the grade V-0 flame retardant requirements, in GB/T 5169.16-2008.
4.4 Appearance, structure, end face requirements of ferrule
4.4.1 Appearance and structure requirements
The assembled field-mountable optical fiber connector shall be smooth, clean,
free of oil and burrs, free of scars and cracks, bright in color, sound in
consistency. All parts and components shall be flatly assembled. The insertion
and pull-out of the adapter shall be smooth and easy; the clamping is tight.
5 Measurement and test
5.1 Measurement and test conditions
5.1.1 Test environment
The measurement shall be carried out, under the standard atmospheric
pressure conditions, which are specified in GB/T 2421.1-2008.The accuracy of
the instruments, which are used for the measurement, shall meet the
requirements AND be calibrated regularly.
5.1.2 Test light source and pigtail
5.1.4 Preparation before measurement
Before the measurement, it shall use lint-free fiber paper or absorbent cotton,
to wipe and clean the ferrule and the end surface as well as the inner surface
of the adapter sleeve. If necessary, use absolute ethanol to scrub it.
5.1.5 Specimen
The samples for mechanical performance test and environmental performance
test are all samples that have passed the field assembly test and passed the
insertion loss and return loss tests.
5.2 Field assembly test
5.2.5 Test results
The average assembly time and assembly success rate shall meet the
requirements in clause 4.5.
5.3 Appearance and size inspection
Check the assembled mechanical field-mountable connector, by visual
inspection. The appearance shall meet the requirements in clause 4.4.1.
5.4 Measurement of insertion loss
5.4.1 Measurement of insertion loss of field assembled optical fiber
connector plug
The insertion loss of the field assembled optical fiber connector plug is
measured, according to the following method.
6 Quality assessment procedures
6.1 Classification of quality assessment procedures
The quality assessment procedure includes appraisal approval procedure AND
quality consistency inspection.
6.2 Appraisal approval procedures
6.2.1 Initial manufacturing stage
The initial manufacturing stage of mechanical field-mountable connectors is the
manufacturing stage, of assembling parts into saleable units AND packaging
them.
6.2.3 Appraisal approval requirements
The appraisal approval requirements are as follows.
6.2.4 Approval procedures
6.2.4.1 Appraisal using a fixed sample procedure
The fixed sample appraisal procedure consists of samples, which meet the
requirements of this clause a), AND the test procedures of this clause b).
6.3.2 Periodic inspection
The periodic inspection includes the group C inspection and group D inspection,
in Table 6, on the samples. The inspection cycles shall be maintained with each
other, so that the group D inspection will replace the group C inspection, during
the period of the group D.
7 Inspection rules
7.1 Inspection classification
The inspection of mechanical field-mountable connectors is divided into two
categories. Exit-factory inspection (handover inspection) and type inspection.
7.2 Exit-factory inspection
7.2.1 Daily inspection
All products leaving the factory shall undergo 100% inspection of their
appearance, in accordance with the test methods, which are specified in clause
5.3 of this Part. Meanwhile, it shall meet the requirements of clause 4.4.1 of this
Part.
7.3 Type inspection
When mechanical type field-mountable connectors have one of the following
conditions, the type inspection is generally carried out. The type inspection is
carried out, according to the requirements of the fixed sample quality
assessment procedure.
8 Marking, packaging, transportation, storage
8.1 Marking
8.1.1 Color
The outer parts of single-mode PC and UPC mechanical field-mountable
connectors are generally blue. The outer parts of single-mode APC mechanical
field-mountable connectors are generally green. The outer parts of multi-mode
PC and UPC mechanical field-mountable connectors are generally gray.
8.2 Packaging and transportation
Mechanical field-mountable connectors shall be equipped with dust caps.
Each mechanical field-mountable connector shall be individually packaged.
Each packaging box shall be accompanied by an operation manual, for field
assembly of the connector; AND list the general or special construction tools,
which are necessary for the user.
8.3 Storage
Mechanical field-mountable connectors cannot be placed in the open air OR in
a severely corrosive environment, for a long time. They shall be stored, within
the storage temperature range.
YD/T 2341.1-2011
YD
COMMUNICATION INDUSTRY STANDARD
ICS 33.180.20
M 33
Field-mountable optical fiber connectors -
Part 1.Mechanical type
Issued on. DECEMBER 20, 2011
Implemented on. DECEMBER 20, 2011
Issued by. Ministry of Industry and Information Technology of PRC
Table of Contents
Foreword... 3
1 Scope... 4
2 Normative references... 4
3 Terms and definitions... 5
4 Requirements... 6
5 Measurement and test... 12
6 Quality assessment procedures... 24
7 Inspection rules... 29
8 Marking, packaging, transportation, storage... 30
1 Scope
This Part specifies the requirements, measurement and testing, quality
assessment procedures, inspection rules, markings, packaging, transportation,
storage of mechanical type field-mountable optical fiber connectors (also known
as mechanical optical fiber quick connectors, hereinafter referred to as
mechanical field-mountable connectors).
This Part applies to mechanical type field-mountable fiber optical connectors.
2 Normative references
The following documents are essential to the application of this document. For
the dated documents, only the versions with the dates indicated are applicable
to this document; for the undated documents, only the latest version (including
all the amendments) is applicable to this standard.
GB/T 2421.1-2008 Environmental testing for electric and electronic products
- General and guidance
GB/T 2828.1-2003 Sampling procedures for inspection by attributes - Part 1.
Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot
inspection
GB/T 5169.16-2008 Fire hazard testing for electric and electronic products -
Part 16.Test flames - 50W horizontal and vertical flame test methods
3 Terms and definitions
The terms and definitions, as defined in YD/T 1272.1-2003, YD/T 1272.3-2005,
YD/T 1272.4-2007, as well as the following terms and definitions, apply to this
document.
3.1
Field-Mountable Optical Fiber Connector (FMC)
An optical fiber connector, which can be directly assembled on the sheath of
the optical fiber or optical cable, at the construction site, referred to as FMC.
3.2
Mechanical Field-Mountable Optical Fiber Connector
A field-mountable optical fiber connector, which is directly assembled by
simple tools and mechanical connection technology, without the need for a
thermal fusion splicer.
4 Requirements
4.1 Classification and model
4.1.1 Classification
4.1.1.3 Classification by applicable optical fiber or cable type
According to the matching optical fiber or optical cable, it can be divided into
the following two types.
4.1.1.4 Classification by the number of connection points
According to the number of connection points, it can be divided into the
following two types.
4.3 Material requirements
The materials, which are used in the field-mountable optical fiber connector,
shall meet the grade V-0 flame retardant requirements, in GB/T 5169.16-2008.
4.4 Appearance, structure, end face requirements of ferrule
4.4.1 Appearance and structure requirements
The assembled field-mountable optical fiber connector shall be smooth, clean,
free of oil and burrs, free of scars and cracks, bright in color, sound in
consistency. All parts and components shall be flatly assembled. The insertion
and pull-out of the adapter shall be smooth and easy; the clamping is tight.
5 Measurement and test
5.1 Measurement and test conditions
5.1.1 Test environment
The measurement shall be carried out, under the standard atmospheric
pressure conditions, which are specified in GB/T 2421.1-2008.The accuracy of
the instruments, which are used for the measurement, shall meet the
requirements AND be calibrated regularly.
5.1.2 Test light source and pigtail
5.1.4 Preparation before measurement
Before the measurement, it shall use lint-free fiber paper or absorbent cotton,
to wipe and clean the ferrule and the end surface as well as the inner surface
of the adapter sleeve. If necessary, use absolute ethanol to scrub it.
5.1.5 Specimen
The samples for mechanical performance test and environmental performance
test are all samples that have passed the field assembly test and passed the
insertion loss and return loss tests.
5.2 Field assembly test
5.2.5 Test results
The average assembly time and assembly success rate shall meet the
requirements in clause 4.5.
5.3 Appearance and size inspection
Check the assembled mechanical field-mountable connector, by visual
inspection. The appearance shall meet the requirements in clause 4.4.1.
5.4 Measurement of insertion loss
5.4.1 Measurement of insertion loss of field assembled optical fiber
connector plug
The insertion loss of the field assembled optical fiber connector plug is
measured, according to the following method.
6 Quality assessment procedures
6.1 Classification of quality assessment procedures
The quality assessment procedure includes appraisal approval procedure AND
quality consistency inspection.
6.2 Appraisal approval procedures
6.2.1 Initial manufacturing stage
The initial manufacturing stage of mechanical field-mountable connectors is the
manufacturing stage, of assembling parts into saleable units AND packaging
them.
6.2.3 Appraisal approval requirements
The appraisal approval requirements are as follows.
6.2.4 Approval procedures
6.2.4.1 Appraisal using a fixed sample procedure
The fixed sample appraisal procedure consists of samples, which meet the
requirements of this clause a), AND the test procedures of this clause b).
6.3.2 Periodic inspection
The periodic inspection includes the group C inspection and group D inspection,
in Table 6, on the samples. The inspection cycles shall be maintained with each
other, so that the group D inspection will replace the group C inspection, during
the period of the group D.
7 Inspection rules
7.1 Inspection classification
The inspection of mechanical field-mountable connectors is divided into two
categories. Exit-factory inspection (handover inspection) and type inspection.
7.2 Exit-factory inspection
7.2.1 Daily inspection
All products leaving the factory shall undergo 100% inspection of their
appearance, in accordance with the test methods, which are specified in clause
5.3 of this Part. Meanwhile, it shall meet the requirements of clause 4.4.1 of this
Part.
7.3 Type inspection
When mechanical type field-mountable connectors have one of the following
conditions, the type inspection is generally carried out. The type inspection is
carried out, according to the requirements of the fixed sample quality
assessment procedure.
8 Marking, packaging, transportation, storage
8.1 Marking
8.1.1 Color
The outer parts of single-mode PC and UPC mechanical field-mountable
connectors are generally blue. The outer parts of single-mode APC mechanical
field-mountable connectors are generally green. The outer parts of multi-mode
PC and UPC mechanical field-mountable connectors are generally gray.
8.2 Packaging and transportation
Mechanical field-mountable connectors shall be equipped with dust caps.
Each mechanical field-mountable connector shall be individually packaged.
Each packaging box shall be accompanied by an operation manual, for field
assembly of the connector; AND list the general or special construction tools,
which are necessary for the user.
8.3 Storage
Mechanical field-mountable connectors cannot be placed in the open air OR in
a severely corrosive environment, for a long time. They shall be stored, within
the storage temperature range.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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