BS 6701-2016 Telecommunications equipment and telecommunications cabling Specification for installation operation and maintenance《电信设备和电信电缆敷设 安装、运行和维护用规范》.pdf

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1、BS 6701:2016Telecommunicationsequipment andtelecommunications cabling Specification forinstallation, operation andmaintenanceBSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06Publishing and copyright informationThe BSI copyright notice displayed in this document indica

2、tes when the documentwas last issued. The British Standards Institution 2016Published by BSI Standards Limited 2016ISBN 978 0 580 93144 4ICS 33.020The following BSI references relate to the work on this document:Committee reference TCT/7/2Draft for comment 16/30336625 DCPublication historyFirst publ

3、ished as BS 6701-1 April 1986Second edition, July 1990First published as BS 6701 November 1994Second edition, May 2004Third edition, March 2010Fourth (present) edition, July 2016Amendments issued since publicationDate Text affectedBS 6701:2016 BRITISH STANDARDContentsForeword 11 Scope 32 Normative r

4、eferences 33 Terms, definitions and abbreviations 44 Requirements for owners of premises housing telecommunicationssystems 55 Requirements for installers of telecommunications equipment andtelecommunications cabling 7AnnexesAnnex A (informative) Remote powering 12Bibliography 13Summary of pagesThis

5、document comprises a front cover, an inside front cover, pages i to ii,pages 1 to 14, an inside back cover and a back cover.BRITISH STANDARD BS 6701:2016 The British Standards Institution 2016 iBRITISH STANDARDBS 6701:2016ii The British Standards Institution 2016ForewordPublishing informationThis Br

6、itish Standard is published by BSI Standards Limited, under licence fromThe British Standards Institution, and came into effect on 31 July 2016. It wasprepared by Subcommittee TCT/7/2, Telecommunications; Installationrequirements: Cabling installation and UK implementation, under the authorityof Tec

7、hnical Committee TCT/7, Telecommunications Installation requirements.A list of organizations represented on these committees can be obtained onrequest to their secretary.SupersessionThis British Standard supersedes BS 6701:2010, which is withdrawn.Information about this documentThis is a full revisi

8、on of BS 6701 and has been published to supportBS EN 50174-1:2009+A2:2014, BS EN 50174-2:2009+A2:2014 andBS EN 50174-3:2013 which contain text that was previously in BS 6701:2010. Itshould be read in conjunction with the BS EN 50174 series of standards. It alsocontains information regarding the use

9、of telecommunications cabling for thepowering of telecommunications and other equipment.Unless otherwise stated in this standard, voltages and currents are r.m.s. with anominal frequency of 50 Hz.Hazard warningsWARNING. This British Standard calls for the use of substances and/or proceduresthat can

10、be injurious to health if adequate precautions are not taken. It refersonly to technical suitability and does not absolve the user from legal obligationsrelating to health and safety at any stage.Use of this documentIt has been assumed in the preparation of this British Standard that theexecution of

11、 its provisions will be entrusted to appropriately qualified andexperienced people, for whose use it has been produced.The requirements contained within Clause 4 are primarily for owners of premiseshousing telecommunications systems, who may delegate selected responsibilitiesto designers, specifiers

12、, operators and maintainers of installedtelecommunications equipment and telecommunications cabling.The requirements contained within Clause 5 are primarily for the installers oftelecommunications equipment and telecommunications cabling.Users of this British Standard should ensure that they are rea

13、ding the clauseappropriate to their responsibilities.Presentational conventionsThe provisions of this standard are presented in roman (i.e. upright) type. Itsrequirements are expressed in sentences in which the principal auxiliary verb is“shall”.Commentary, explanation and general informative materi

14、al is presented insmaller italic type, and does not constitute a normative element.Contractual and legal considerationsThis publication does not purport to include all the necessary provisions of acontract. Users are responsible for its correct application.Compliance with a British Standard cannot c

15、onfer immunity from legalobligations.BRITISH STANDARD BS 6701:2016 The British Standards Institution 2016 1In particular, attention is drawn to the following statutory regulations.Electromagnetic Compatibility Regulations 2006 1Electrical Equipment (Safety) Regulations 1994 2Provision and Use of Wor

16、k Equipment Regulations 1998 3Work at Height Regulations 2005, as amended 4BRITISH STANDARDBS 6701:20162 The British Standards Institution 20161 ScopeThis British Standard specifies requirements for the installation, operation,administration and maintenance of telecommunications equipment andtelecom

17、munications cabling, other than cabling specified in BS EN 50174. It alsospecifies requirements beyond the scope of the BS EN 50174 series of standardsfor telecommunications equipment.It does not cover those aspects of installation that are associated with thetransmission of signals in free space be

18、tween transmitters, receivers or theirassociated antenna systems (e.g. radio, microwave or satellite).2 Normative referencesThe following referenced documents are indispensable for the application ofthis document. For dated references, only the edition cited applies. For undatedreferences, the lates

19、t edition of the referenced document (including anyamendments) applies.BS 5306 (all parts), Code of practice for fire extinguishing installations andequipment on premisesBS 7671:2008+A3:2015, Requirements for electrical installations IET WiringRegulations Seventeenth editionBS EN 50174-1:2009+A2:201

20、4, Information technology Cabling installation Part 1: Installation specification and quality assuranceBS EN 50174-2:2009+A2:2014, Information technology Cabling installation Part 2: Installation planning and practices inside buildingsBS EN 50174-3, Information technology Cabling installation Part 3

21、:Installation planning and practices outside buildingsBS EN 50310, Application of equipotential bonding and earthing in buildingswith information technology equipmentBS EN 60079-14, Explosive atmospheres Part 14: Electrical installations design,selection and erectionBS EN 60079-17, Explosive atmosph

22、eres Part 17: Electrical installationsinspection and maintenanceBS EN 60446, Basic and safety principles for man-machine interface, marking andidentification Identification of conductors by colours or alphanumericsBS EN 60825-2, Safety of laser products Part 2: Safety of optical fibrecommunication s

23、ystems (OFCS)BS EN 61241-14, Electrical apparatus for use in the presence of combustible dust Part 14: Selection and installationBS EN 61241-17, Electrical apparatus for use in the presence of combustible dust Part 17: Inspection and maintenance of electrical installations in hazardousareas (other t

24、han mines)BS EN 61340-5-1, Electrostatics Part 5-1: Protection of electronic devices fromelectrostatic phenomena General requirementsHD 60364-5-54:2007, Low voltage electrical installations Part 5-54: Selectionand erection of electrical equipment Earthing arrangement, protectiveconductors and protec

25、tive bonding conductorsPD CLC/TR 50404, Electrostatics Code of practice for the avoidance of hazardsdue to static electricityBRITISH STANDARD BS 6701:2016 The British Standards Institution 2016 3PD CLC/TR 50426, Assessment of inadvertent initiation of bridge wireelectro-explosive devices by radio-fr

26、equency radiation GuidePD CLC/TR 50427, Assessment of inadvertent ignition of flammable atmospheresby radio-frequency radiation Guide3 Terms, definitions and abbreviations3.1 Terms and definitionsFor the purposes of this British Standard, the definitions given in BS EN 50174(all parts) and the follo

27、wing apply.3.1.1 electricity supply cablingsystem of cables and connecting hardware intended to provide an electricitysupply whether or not connected to an electricity supply at the time ofinstallation of any telecommunications equipment and/or cabling3.1.2 extra-low voltagevoltage not exceeding 50

28、V a.c. or 120 V ripple-free d.c., whether betweenconductors or to earth3.1.3 low voltagevoltage exceeding extra-low voltage but not exceeding 1 000 V a.c. or 1 500 Vd.c. between conductors, or 600 V a.c. or 900 V d.c. between conductors andearth3.1.4 telecommunications cablingsystem of cables, cords

29、 and connecting hardware intended to support theoperation of information technology equipment as, or as part of, atelecommunications system3.1.5 telecommunications equipmentmeans of delivering a specific telecommunications application and its associatedtransmission method over telecommunications cab

30、ling3.1.6 telecommunications systemcombination of telecommunications equipment and telecommunications cablingproviding distribution of telecommunications applications within and/orbetween premisesNOTE 1 Examples of telecommunications applications are those which performactions such as processing, di

31、splaying or transferring information including numericaldata, text, audio, still or moving images together with any combination of these.Telecommunications applications are also used to control machinery, buildingfacilities or other non-telecommunications equipment.NOTE 2 In addition to telecommunic

32、ations cabling, telecommunications systemsalso use waveguides (including optical waveguides) and radio transmission.3.2 AbbreviationsFor the purposes of this British Standard, the abbreviations given in BS EN 50174(all parts) and the following apply.LV low voltageMET main earthing terminalFE functio

33、nal earthPE protective earthBRITISH STANDARDBS 6701:20164 The British Standards Institution 20164 Requirements for owners of premises housingtelecommunications systemsNOTE The owners of premises housing telecommunications systems may delegatethe responsibilities specified in this clause to authorize

34、d persons such as designers,specifiers, operators and maintainers of the telecommunications systems.4.1 General4.1.1 Compliance with the BS EN 50174 series of standardsAll telecommunications cabling and telecommunications equipment shall meetall the requirements of the BS EN 50174 series of standard

35、s.4.1.2 Documentation and administrationNOTE Attention is drawn to the Construction (Design and Management)Regulations 2015 5 in respect of the identification, classification and recording ofhazards on the premises.The documentation requirements of BS EN 50174-1:2009+A2:2014, Clause 4 shallbe applie

36、d to telecommunications equipment.The location of the MET shall be documented and the information shall beavailable for inspection.4.1.3 Power suppliesAn electricity supply that meets the power consumption requirements of thetelecommunications equipment shall be provided.4.1.4 Fire extinguishing sys

37、temsWhere a gaseous flooding system is installed within a telecommunications space: safety information relating to the gaseous flooding system shall bedisplayed in accordance with the BS 5306 series of standards; and facilities for manually disabling the flooding system shall be provided.NOTE 1 Gase

38、ous flooding systems using carbon dioxide are specified in ISO 6183.NOTE 2 Gaseous flooding systems other than those using carbon dioxide arespecified in the BS EN 15004 series.4.1.5 Remote powering4.1.5.1 GeneralThe specification and planning of telecommunications cabling intended toprovide power t

39、o remote devices shall meet the requirements given in 4.1.5.2and 4.1.5.3.4.1.5.2 Requirements for owners of premises housing telecommunicationssystemsThe premises owner shall define their objectives with respect to remotepowering within the installation specification.4.1.5.3 PlanningThe designer of

40、the cabling system shall take appropriate actions from thefollowing list to ensure that the impact (see A.2) of the defined objectives forremote powering (see 5.1.4.4) is compatible with the products used and thetransmission performance specified for the cabling.BRITISH STANDARD BS 6701:2016 The Bri

41、tish Standards Institution 2016 5a) the use of larger conductor/lower resistance cables to minimize heatingeffects and lower the operating cost of the cabling system;b) the effect of bundle size and/or the ventilation of pathways and spaces tominimize the impact of heating effects;c) the assessment

42、of global heating to ensure insertion loss requirements aremet;d) the need for sacrificial connections and appropriate labelling of connectionpoints - to protect against the possibility of repeated de-mating under load;e) specific labelling to ensure that any remote powering loading limits are notex

43、ceeded.4.2 Operating proceduresTelecommunications equipment and telecommunications cabling shall beoperated in accordance with the instructions provided by the installer.The premises owner shall operate the cabling system in accordance with theremote powering parameters defined in the operating inst

44、ructions (see 5.1.4.4).The selection and operation of optical fibre telecommunications equipment, testequipment and optical fibre telecommunications cabling shall be in accordancewith BS EN 60825-2.The operation of telecommunications equipment and telecommunicationscabling in situations where explos

45、ive or flammable materials are generated,prepared, processed, handled, stored or otherwise encountered shall be carriedout in accordance with BS EN 60079-14.4.3 Maintenance4.3.1 GeneralThe telecommunications equipment and telecommunications cabling shall bemaintained in accordance with the instructi

46、ons provided by the installer.All relevant personnel shall be made aware of all policies required to maintainproper operation of the telecommunications system.NOTE 1 Attention is drawn to the Electricity at Work Regulations 1989 6 inrespect of the maintenance of cabling and associated equipment.NOTE

47、 2 Maintenance plans in accordance with BS EN 50174-1 should be consideredfor telecommunications equipment.4.3.2 Overhead telecommunications cabling (including drop wires)The specification and planning of overhead cabling installations shall conform tothe requirements of BS EN 50174-3. When subject

48、to pole bending bymaintenance personnel and/or processes, telecommunications cables crossingmaintainable highways, other than motorways or designated high load routes,shall be maintained at a height of not less than 4.95 m.NOTE The terms “motorway” and “main roads” used in BS EN 50174-3 areinterpret

49、ed in the UK as “motorway (blue sign)” and designated “high load routes”.4.4 RepairIndependent of the configuration of installed telecommunications equipmentand telecommunications cabling, there shall be a documented policy for use inthe event of faults and breakdowns.NOTE 1 This policy should include contingency planning, fault analysis and repairprocedures.BRITISH STANDARDBS 6701:20166 The British Standards Institution 2016NOTE 2 Repair plans in accordance with BS EN 50174-1 should be considered forte