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eLibrary >
BS EN 50173-1:2018 - TC Tracked Changes. Information technology. Generic cabling systems - General requirements >
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BS EN 50173-1:2018 - TC Tracked Changes. Information technology. Generic cabling systems - General requirements, 2020
- 30365908_new.pdf [Go to Page]
- undefined
- 1 Scope and conformance [Go to Page]
- 1.1 Scope
- 1.2 Conformance
- 2 Normative references
- 3 Terms, definitions and abbreviations [Go to Page]
- 3.1 Terms and definitions
- 3.2 Abbreviations
- 3.3 Symbols
- 4 Structure of generic backbone cabling [Go to Page]
- 4.1 General
- 4.2 Functional elements
- 4.3 Structure and hierarchy
- 4.4 Cabling subsystems [Go to Page]
- 4.4.1 Campus backbone cabling subsystem
- 4.4.2 Building backbone cabling subsystem
- 4.5 Design objectives [Go to Page]
- 4.5.1 General
- 4.5.2 Backbone cabling
- 4.6 Accommodation of functional elements [Go to Page]
- 4.6.1 Distributors
- 4.6.2 Cables
- 4.7 Interfaces [Go to Page]
- 4.7.1 Equipment interfaces and test interfaces
- 4.7.2 Channels and links [Go to Page]
- 4.7.2.1 Channels
- 4.7.2.2 Links
- 4.8 Dimensioning and configuring [Go to Page]
- 4.8.1 External network interface
- 4.8.2 Building entrance facilities
- 5 Channel performance [Go to Page]
- 5.1 Environmental performance [Go to Page]
- 5.1.1 General
- 5.1.2 Environmental classifications
- 5.2 Transmission performance [Go to Page]
- 5.2.1 General
- 5.2.2 Balanced cabling channel performance [Go to Page]
- 5.2.2.1 General
- 5.2.2.2 Return loss
- 5.2.2.3 Insertion loss
- 5.2.2.4 Near-end crosstalk loss
- 5.2.2.5 Attenuation to crosstalk ratio at the near-end
- 5.2.2.6 Attenuation to crosstalk ratio at the far-end
- 5.2.2.7 Direct current loop resistance
- 5.2.2.8 Direct current resistance unbalance
- 5.2.2.9 Direct current power feeding
- 5.2.2.10 Dielectric withstand
- 5.2.2.11 Propagation delay
- 5.2.2.12 Delay skew
- 5.2.2.13 Transverse conversion loss
- 5.2.2.14 Equal level transverse conversion transfer loss
- 5.2.2.15 Coupling attenuation
- 5.2.2.16 Alien near-end crosstalk loss
- 5.2.2.17 Alien attenuation to crosstalk ratio at the far-end
- 5.2.3 Coaxial cabling channel performance [Go to Page]
- 5.2.3.1 General
- 5.2.3.2 Return loss
- 5.2.3.3 Insertion loss
- 5.2.3.4 Direct current loop resistance
- 5.2.3.5 Direct current power feeding
- 5.2.3.6 Operating voltage
- 5.2.3.7 Screening attenuation
- 5.2.4 Optical fibre cabling channel performance [Go to Page]
- 5.2.4.1 General
- 5.2.4.2 Channel attenuation
- 5.2.4.3 Channel length and propagation delay
- 5.2.4.4 Delay skew
- 6 Reference implementations for backbone cabling [Go to Page]
- 6.1 General
- 6.2 Balanced cabling [Go to Page]
- 6.2.1 General
- 6.2.2 Component choice
- 6.2.3 Dimensions
- 6.3 Coaxial cabling
- 6.4 Optical fibre cabling [Go to Page]
- 6.4.1 General
- 6.4.2 Component choice
- 6.4.3 Dimensions
- 7 Cable requirements [Go to Page]
- 7.1 General
- 7.2 Operating environment
- 7.3 Balanced cables of Categories 5, 6, 6A, 7, 7A, BCT-B, 8.1 and 8.2 [Go to Page]
- 7.3.1 Basic performance requirements
- 7.3.2 Additional performance requirements [Go to Page]
- 7.3.2.1 Balanced cables of Categories 5, 6, 6A, 7, 7A, 8.1 and 8.2
- 7.3.2.2 Balanced cables of Category BCT-B
- 7.3.3 Hybrid and multi-unit cables
- 7.4 Coaxial cables
- 7.5 Optical fibre cables [Go to Page]
- 7.5.1 General
- 7.5.2 Cabled multimode optical fibres of Category OM3, OM4 and OM5
- 7.5.3 Cabled single-mode optical fibres of Categories OS1a and OS2
- 7.5.4 Propagation delay
- 7.5.5 Cord cables
- 8 Connecting hardware requirements [Go to Page]
- 8.1 General requirements [Go to Page]
- 8.1.1 Overview
- 8.1.2 Location
- 8.1.3 Design
- 8.1.4 Operating environment [Go to Page]
- 8.1.4.1 General
- 8.1.4.2 Connecting hardware for balanced cabling
- 8.1.4.3 Connecting hardware for coaxial cabling
- 8.1.4.4 Connecting hardware for optical fibre cabling
- 8.1.5 Mounting
- 8.1.6 Marking and colour coding
- 8.2 Category 5, 6, 6A, 7, 7A, BCT-B, 8.1 and 8.2 and connecting hardware for balanced cabling [Go to Page]
- 8.2.1 General requirements
- 8.2.2 Performance marking
- 8.2.3 Mechanical characteristics
- 8.2.4 Electrical characteristics
- 8.2.5 Connecting hardware in accordance with EN 60603-7 series
- 8.2.6 Connecting hardware in accordance with EN 61076-3-104
- 8.2.7 Connecting hardware in accordance with EN 61076-2-101 (Type D, 4 poles)
- 8.2.8 Connecting hardware in accordance with EN 61076-2-109 (Type X, 8 poles)
- 8.3 Category BCT-C connecting hardware for coaxial cabling [Go to Page]
- 8.3.1 General requirements
- 8.3.2 Electrical characteristics [Go to Page]
- 8.3.2.1 Return loss
- 8.3.2.2 Insertion loss
- 8.3.2.3 Current carrying capacity
- 8.3.2.4 Screening attenuation
- 8.3.3 Connecting hardware in accordance with EN 61169-2 (Type 9,52) and EN 61169-24 (Type F)
- 8.4 Optical fibre connecting hardware [Go to Page]
- 8.4.1 General requirements
- 8.4.2 Marking and colour coding
- 8.4.3 Mechanical and optical characteristics
- 8.4.4 Interface configuration for two optical fibres
- 8.4.5 Interface configuration for 12 and 24 optical fibres
- 9 Requirements for cords and jumpers [Go to Page]
- 9.1 General
- 9.2 Operating environment
- 9.3 Category 5, 6, 6A, 7, 7A, BCT-B, 8.1 and 8.2 cords for balanced cabling [Go to Page]
- 9.3.1 General
- 9.3.2 Cable insertion loss
- 9.3.3 Identification
- 9.3.4 Environmental performance requirements
- 9.3.5 Electrical performance requirements [Go to Page]
- 9.3.5.1 Return loss
- 9.3.5.2 Near-end crosstalk loss
- 9.4 Coaxial cords
- 9.5 Optical fibre cords [Go to Page]
- 9.5.1 General requirements
- 9.5.2 Identification
- 9.5.3 Environmental performance requirements
- Annex A (normative)Link performance limits [Go to Page]
- A.1 General
- A.2 Balanced cabling [Go to Page]
- A.2.1 General
- A.2.2 Return loss
- A.2.3 Insertion loss
- A.2.4 Near-end crosstalk loss [Go to Page]
- A.2.4.1 Pair-to-pair near-end crosstalk loss
- A.2.4.2 Power sum near-end crosstalk loss
- A.2.5 Attenuation to crosstalk loss ratio at the near-end [Go to Page]
- A.2.5.1 Pair-to-pair attenuation to crosstalk loss ratio at the near-end
- A.2.5.2 Power sum attenuation to crosstalk loss ratio at the near-end
- A.2.6 Attenuation to crosstalk loss ratio at the far-end [Go to Page]
- A.2.6.1 Pair-to-pair attenuation to crosstalk loss ratio at the far-end
- A.2.6.2 Power sum attenuation to crosstalk loss ratio at the far-end
- A.2.7 Direct current loop resistance
- A.2.8 Direct current resistance unbalance
- A.2.9 Propagation delay
- A.2.10 Delay skew
- A.2.11 Transverse conversion loss
- A.2.12 Equal level transverse conversion transfer loss (ELTCTL)
- A.2.13 Coupling attenuation
- A.2.14 Alien near-end crosstalk [Go to Page]
- A.2.14.1 Power sum alien near-end crosstalk loss
- A.2.14.2 Average power sum alien near-end crosstalk loss
- A.2.15 Alien attenuation to crosstalk ratio at the far end [Go to Page]
- A.2.15.1 Power sum alien attenuation to crosstalk ratio at the far end
- A.2.15.2 Average power sum alien attenuation to crosstalk ratio at the far end
- A.3 Coaxial cabling [Go to Page]
- A.3.1 Return loss
- A.3.2 Insertion loss
- A.3.3 Direct current loop resistance
- A.3.4 Direct current carrying capacity
- A.3.5 Operating voltage
- A.3.6 Screening attenuation
- A.4 Optical fibre cabling
- Annex B (informative)Permanent link performance limits for maximum implementations(balanced and coaxial cabling) [Go to Page]
- B.1 Balanced cabling [Go to Page]
- B.1.1 General
- B.1.2 Performance limits [Go to Page]
- B.1.2.1 Return loss
- B.1.2.2 Insertion loss
- B.1.2.3 Pair-to-pair near-end crosstalk loss
- B.1.2.4 Power sum near-end crosstalk loss
- B.1.2.5 Pair-to-pair attenuation to near-end crosstalk ratio
- B.1.2.6 Power sum attenuation to near-end crosstalk ratio
- B.1.2.7 Pair-to-pair attenuation to far-end crosstalk ratio
- B.1.2.8 Power sum attenuation to far-end crosstalk ratio
- B.1.2.9 Direct current loop resistance
- B.1.2.10 Direct current resistance unbalance
- B.1.2.11 Propagation delay
- B.1.2.12 Delay skew
- B.1.2.13 Transverse conversion loss
- B.1.2.14 Equal level transverse conversion transfer loss
- B.1.2.15 Coupling attenuation
- B.1.2.16 Power sum alien attenuation to near-end crosstalk ratio
- B.1.2.17 Average power sum attenuation to near-end crosstalk ratio
- B.1.2.18 Power sum alien attenuation to far-end crosstalk ratio
- B.1.2.19 Average power sum alien attenuation to far-end crosstalk ratio
- B.2 Coaxial cabling [Go to Page]
- B.2.1 General
- B.2.2 Insertion loss
- B.2.3 Direct current loop resistance
- Annex C (informative)Information on all-silica optical fibres in the previous edition [Go to Page]
- C.1 Cabled singlemode optical fibres of Category OS1
- C.2 Cabled multimode optical fibres of Category OM1 and OM2 [Go to Page]
- C.2.1 Cable specification
- C.2.2 Application support
- Annex D (normative)Electrical, mechanical and environmental requirements of balanced connecting hardware [Go to Page]
- D.1 General
- D.2 Electrical performance of Category 5, 6, 6A, 7, 7A, BCT-B, 8.1 and 8.2 connecting hardware [Go to Page]
- D.2.1 Return loss
- D.2.2 Insertion loss
- D.2.3 Near-end crosstalk loss
- D.2.4 Power sum near-end crosstalk loss
- D.2.5 Far-end crosstalk loss
- D.2.6 Power sum far-end crosstalk loss
- D.2.7 Input to output resistance
- D.2.8 Input to output resistance unbalance
- D.2.9 Current carrying capacity
- D.2.10 Propagation delay
- D.2.11 Delay skew
- D.2.12 Unbalance attenuation [Go to Page]
- D.2.12.1 Transverse conversion loss
- D.2.12.2 Transverse conversion transfer loss
- D.2.13 Transfer impedance
- D.2.14 Coupling attenuation
- D.2.15 Dielectric performance [Go to Page]
- D.2.15.1 Insulation resistance
- D.2.15.2 Voltage proof
- D.2.16 Power sum alien near-end crosstalk loss
- D.2.17 Power sum alien far-end crosstalk loss
- D.3 Mechanical and environmental performance [Go to Page]
- D.3.1 General
- D.3.2 Solderless connections
- D.3.3 Free and fixed connectors (modular plugs and jacks)
- D.3.4 Other connecting hardware
- Annex E (informative)Electromagnetic characteristics of balanced cabling
- Annex F (informative)Supported applications [Go to Page]
- F.1 Supported applications for balanced cabling
- F.2 Supported applications for coaxial cabling
- F.3 Supported applications for optical fibre cabling [Go to Page]
- F.3.1 Generic applications
- F.3.2 Data centre (computer room space) applications
- F.3.3 Industrial space applications
- Annex G (informative)Introduction to environmental classification [Go to Page]
- G.1 General
- G.2 The application of environmental classification [Go to Page]
- G.2.1 MICE
- G.2.2 The channel environment
- G.2.3 Component selection
- G.3 The MICE system
- G.4 Guidance with respect to environmental classification [Go to Page]
- G.4.1 Mechanical environment
- G.4.2 Ingress protection environment
- G.4.3 Climatic and chemical environment
- G.4.4 Electromagnetic environment
- Annex H (informative)Acronyms for balanced cables
- Annex I (normative)Testing procedures to assess conformance with EN 50173 standards [Go to Page]
- I.1 General
- I.2 Channel and link performance testing [Go to Page]
- I.2.1 General
- I.2.2 Testing balanced cabling channels and links
- I.2.3 Testing optical fibre cabling channels and links
- I.2.4 Channel and link test schedules [Go to Page]
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