Standard No.:	YD/T 1997.1-2022
English Name:	Drop optical fibre cables for telecommunication-Part 1: Bow-type optical fibre cables
Chinese Name:	通信用引入光缆 第1部分：蝶形光缆
Professional Classification:	YD    Professional Standard - Telecommunication
Source Content Issued by:	MIIT
Issued on:	2022-4-8
Implemented on:	2022-7-1
Status:	valid
Superseding:	YD/T 1997.1-2014 Drop optical fibre cables for telecommunication Part1:Bow-type optical fibre cables
Target Language:	English
File Format:	PDF
Word Count:	15000 words
Translation Price(USD):	450.0
Delivery:	via email in 1 business day

YD/T 1997.1-2022 Drop optical fibre cables for telecommunication-Part 1: Bow-type optical fibre cables English 1 Scope This document specifies the product model, structural size, manufacturing length and performance requirements of bow-type optical cables (hereinafter referred to as optical cables), and describes the corresponding test methods, inspection rules, packaging, markings and instructions for use, storage and transportation. This document is applicable to the design, development, production and inspection of bow-type optical cables for communications. Other bow-type optical cables for similar purposes can also be used as a reference. 2 Normative references The content of the following documents constitutes an indispensable clause of this document through normative references in the text. Among them, for dated reference documents, only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 2951.11—2008 Common test methods for insulating and sheathing materials of electric and optical cables -Part 11: Methods for general application - Measurement of thickness and overall dimensions - Tests for determining the mechanical properties (IEC 60811-1-1:2001, IDT) GB/T 2951.14—2008 Common test methods for insulating and sheathing materials of electric and optical cables -Part 14: Methods for general application - Test at low temperature (IEC 60811-1-4:1985, IDT) GB/T 2951.31—2008 Common test methods for insulating and sheathing materials of electric and optical cables -Part 31: Methods specific to PVC compounds – Pressure test at high temperature-Test for resistance to cracking (IEC 60811-3-1:1985, IDT) GB/T 2951.41—2008 Common test methods for insulating and sheathing materials of electric and optical cables -Part 41: Methods specific to polyethylene and polypropylene compounds –Resistance to environmental stress cracking-Measurement of the melt flow index-Carbon black and/or mineral filler content measurement in polyethylene by direct combustion-Measurement of carbon black content by thermo gravimetric analysis(TGA) –Assessment of carbon black dispersion in polyethylene using a microscope(IEC 60811-4-1:2004, IDT) GB/T 6995.2—2008 Marking for electric wires and cables-part 2: Standard colors GB/T 7424.2—2008 Optical fibre cable generic specification-part 2: Basic optical cable test procedures (IEC 60794-1-2:2003, MOD) GB/T 8170—2008 The representation and determination of rules for rounding off numberical values and limit values GB/T 8815—2008 Plasticized polyvinyl chloride(PVC) compounds for wire and cable GB/T 9352—2008 Plastic-compression moulding of test specimen of thermoplastic materials(ISO 293:2004,IDT) GB/T 9771.3 Single- mode optical fibres for telecommunication- Part 3: Characteristics of an extended wavelength band dispersion unshifted single-mode optical fibre GB/T 9771.7 Single- mode optical fibres for telecommunication- Part 7: Characteristics of a bending loss insensitive single-mode optical fibre for the access network GB/T 15065 Black polyethylene compounds for wire and cable GB/T 15972.20 Specifications for optical fibre test methods Part 20:Measurement methods and test procedures for dimensions-Fiber geometry (IEC 60793-1-20:2014,MOD） GB/T 15972.22 Specifications for optical fibre test methods Part 22:Measurement methods and test procedures for dimensions-Length measurement (IEC 60793-1-22:2001,MOD） GB/T 15972.40 Specifications for optical fibre test methods Part 40:Measurement methods and test procedures for dimensions-Attenuation (IEC 60793-1-40:2001,MOD） GB/T 15972.44 Specifications for optical fibre test methods Part 44:Measurement methods and test procedures for dimensions-Cut-off Wavelength (IEC 60793-1-44:2011,MOD） GB/T 15972.45 Specifications for optical fibre test methods Part 45:Measurement methods and test procedures for dimensions-Mode field diameter (IEC 60793-1-45:2017,MOD） GB/T 17650.2 Test on gases evolved during combustion of materials from cables part 2: Determination of degree of acidity of gases by measuring PH and conductivity (idt IEC 60754-2) GB/T 17651.2 Measurement of smoke density of cables burning under defined conditions part 2: Test procedure and requirements (idt IEC 61034-2:1997) GB/T 18380.12 Test on electric and optical fibre cables under fire conditions - Part 12: Test for vertical flame propagation for a single insulated wire or cable-procedure for 1 kW pre-mixed flame (IEC 60332-1-2, IDT) GB/T 18380.35 Test on electric and optical fibre cables under fire conditions-Part 35: Test for vertical flame spread of vertically-mounted bunched wires or cables-Category C (IEC 60332-3-24, IDT) GB/T 24202 Carbon steel wire for optical fiber cable tension members GB/T 26125-2011 Electrical and electronic products-Determination of six regulated substances (lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers) (IEC 62321:2008,IDT) GB/T 26572-2011 Requirements of concentration limits for certain restricted substances in electrical and electronic products YB/T 098 Carbon steel wire strands for optical fiber cable tension members YD/T 629.1 The monitoring method for the transmission attenuation change of optical fibre: The transmission power monitoring method YD/T 629.2 The monitoring method for the transmission attenuation change of optical fibre: Backward scattering monitoring method YD/T 901 Stranded gel-filled loose tube optical fibre cables for outdoor application for telecommunication YD/T 908-2020 The naming rules for type of optical fibre cables YD/T 979 Specifications and Test Methods for optical fiber ribbon YD/T 1113 Low-smoke halogen-free compounds for telecommunication cable and optical fiber cable YD/T 1115 (All parts) Water blocking materials for telecommunication cable and optical fiber cable YD/T 1181.1 Characteristics of non-metal reinforcement used for optical fiber cables part 1: glass fiber reinforced plastic rods YD/T 1181.3 Characteristics of non-metal reinforcement for optical fiber cables part 3: aramid fiber reinforced plastic rods YD/T 1181.7-2022 Characteristics of non-metal reinforcement for optical fiber cables-Part 7： Flexible fiber reinforced plastic rods YD/T 1258.1-2015 Indoor optical fibre cables Part 1: general YD/T 1258.7 The series of indoor optical fibre cables Part 7: Invisible optical fibre cable YD/T 2964 Measurement methods for characteristics of a bending-loss insensitive single-mode optical fibre for the access network YD/T 2964 Measurement methods for characteristics of a bending-loss insensitive single-mode optical fibre for the access network YD/T 3718-2020 Low-smoke, low-halogen, flame-retardant and plasticized polyvinyl chloride (PVC) compounds for electrical and optical fiber cables in telecommunication applications JB/T 10696.7-2007 Test methods for determining mechanical, physical and chemical properties of electric cables and wires-Part 7: Tear test IEC 62321-8:2017 Determination of certain substances in electro technical products - Part 8: Phthalates in polymers by gas chromatography-mass spectrometry (GC-MS),gas chromatography-mass spectrometry using a pyrolyzer/thermal desorption accessory (Py-TD-GC-MS) 3 Terms and Definitions There are no terms and definitions to be defined in this document. 4 product classification 4.1 General Optical cable is divided into indoor Bow-type optical fibre cable and indoor and outdoor Bow-type optical fibre cable for overhead and pipe; according to the combined form of optical cable, it is divided into side-by-side Bow-type optical fibre cable and non-side-by-side Bow-type optical fibre cable. 4.2 Type 4.2.1 According to the provisions of YD / T 908-2020, optical cables include the following two types: GJX——Indoor Bow-type optical fiber cables for telecommunication GJYX——Indoor and outdoor Bow-type optical fibre cables 4.2.2 Typical structure type codes and names of optical cables are shown in Table 1.