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GB/T 7424.23-2021Optical fibre cable generic specification - Part 23: Basic optical cable test procedures - Cable element test methods (English PDF)

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

October 11, 2021

Implementation date

February 1, 2022

Scope

GB/T 7424.23-2021 (Optical fibre cable generic specification - Part 23: Basic optical cable test procedures - Cable element test methods) is available as an English-translated PDF.

GB/T 7424.23-2021 is the Chinese standard "Optical fibre cable generic specification - Part 23: Basic optical cable test procedures - Cable element test methods".

Its scope clause reads: This part of GB/T 7424 specifies the purpose, samples, equipment, procedures, requirements and details to be specified for each test method of optical cable components.

Festival etc. This section applies to optical cable components in optical cables and optical-electric hybrid cables. Its clauses include terms and definitions.

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Document preview — GB/T 7424.23-2021

National Standard of the People's Republic of China

Classification: M 33

Issued by: State Administration for Market Regulation, China National Standardization Administration

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Method G1.Bending of the optical unit in the optical cable
5 Method G2.Measurement of optical fiber ribbon geometry---observation method
6 Method G3.Optical fiber ribbon geometry measurement---hole gauge method
7 Method G5.Fiber ribbon tear (separability)
8 Method G6.Fiber Ribbon Twist
9 Method G7.Bending the casing
10 Method G8.Residual torsion test of optical fiber ribbon
11 Method G9.Oil Separation and Evaporation
12 Method G10.Fiber Peelability
13 Method G11.Tensile performance test of loose tube and microtube
Appendix A (informative appendix) Structural changes in this part compared with IEC 60794-1-23.2019
References

1 Scope

This part of GB/T 7424 specifies the purpose, samples, equipment, procedures, requirements and details to be specified for each test method of optical cable components.

Festival etc.

This section applies to optical cable components in optical cables and optical-electric hybrid cables.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article

Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document.

GB/T 2951.11-2008 General test methods for insulation and sheath materials of electric and optical cables-Part 11.General test methods

Thickness and dimensions measurement mechanical performance test (IEC 60811-1-1.2001, IDT)

GB/T 2951.12-2008 General test methods for insulation and sheath materials of electric and optical cables-Part 12.General test methods

Thermal aging test method (IEC 60811-1-2.1985, IDT)

GB/T 2951.13-2008 General test methods for insulation and sheath materials of electric and optical cables-Part 13.General test methods

Density determination method Water absorption test Shrinkage test (IEC 60811-1-3.2001, IDT)

GB/T 7424.20-2021 General Specification for Optical Cables Part 20.General Principles and Definitions of Basic Test Methods for Optical Cables (IEC 60794-1-

2.2017, MOD)

GB/T 7424.22-2021 General Specification for Optical Fiber Cables Part 22.Basic Test Methods for Optical Cables Environmental Performance Test Methods (IEC 60794-1-22.2017, MOD)

GB/T 15972.32 Specification for optical fiber test methods Part 32.Measurement methods and test procedures for mechanical properties The coating can be peeled off (GB/T 15972.32-2008, IEC 60793-1-32.2001, MOD)

GB/T 15972.40 Specification for optical fiber test methods Part 40.Measurement methods and test procedures for transmission characteristics and optical characteristics

Attenuation (GB/T 15972.40-2008, IEC 60793-1-40.2001, MOD)

GB/T 15972.46 Specification for optical fiber test methods Part 46.Measurement methods and test procedures for transmission characteristics and optical characteristics

Transmittance change (GB/T 15972.46-2008, IEC 60793-1-46.2001, MOD)

IEC 60794-1-1.2015 Optical fiber cable Part 1-1.General specification (Opticalfibrecables-Part 1-1.Generic specification-General)

3 Terms and definitions

The following terms and definitions defined in IEC 60794-1-1.2015 and are applicable to this document. For ease of use, the following is repeated

Some terms and definitions in IEC 60794-1-1.2015.

3.1 Cable element

Among the components of the optical cable, the unit body is designed according to the application scenario, which contains the optical fiber and has a certain protective effect on the optical fiber.

Note. The unit body usually refers to loose tube fiber, tight buffer fiber, fiber ribbon, branch unit, etc.

YD/T 2554.1 | GB/T 9771.1 | GB/T 20186.1 | GB/T 7424.22 | GB/T 7424.21 | GB/T 7424.20 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 51 pages — is available in the English PDF.

Referenced standards

Normative references

IEC 60811 · IEC 60794 · IEC 60793

Cited by

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