ISO/IEC 24702:2006
Information technology — Generic cabling — Industrial premises
In the field of customer premises cabling this International Standard specifies a wide range of communications services including automation, process control and monitoring applications for use in industrial premises. This International Standard complements the requirements of ISO/IEC 11801.
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CONTENTS
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 Conformance
5 Structure
5.1 General
5.2 Functional elements
5.3 Cabling subsystem
5.3.1 General structure
5.3.2 Campus backbone cabling subsystem
5.3.3 Building backbone cabling subsystem
5.3.4 Floor cabling subsystem
5.3.5 Intermediate cabling subsystem
5.3.6 Centralized cabling architecture
5.3.7 Design objectives
5.4 Interconnection of subsystems
5.5 Accommodation of functional elements
5.6 Interfaces
5.6.1 Equipment interfaces and test interfaces
5.6.2 Channels and permanent links
5.6.3 External network interface
5.7 Dimensioning and configuring
5.7.1 General
5.7.2 Distributors
5.7.3 Cables
5.7.4 Apparatus attachment and equipment cords
5.7.5 Patch cords and jumpers
5.7.6 TO
5.7.7 Telecommunications rooms and equipment rooms
5.7.8 Industrial enclosures
5.7.9 Building entrance facilities
6 Channel performance
6.1 General
6.2 Environmental performance
6.2.1 General
6.2.2 Environmental classification
6.3 Transmission performance
6.3.1 General
6.3.2 Balanced cabling
6.3.3 Optical fibre cabling
7 Reference implementations
7.1 General
7.2 Balanced cabling
7.2.1 General
7.2.2 Intermediate cabling
7.2.3 Backbone cabling
7.3 Optical fibre cabling
7.3.1 General
7.3.2 Component choice
7.3.3 Maximum channel lengths
8 Cable requirements
8.1 Introduction
8.2 Operating environment
8.3 Balanced cables
8.4 Optical fibre cables
8.4.1 All-silica optical fibre cables
8.4.2 Plastic optical fibre cables
8.4.3 Plastic clad silica optical fibre cables
8.4.4 Propagation delay
9 Connecting hardware requirements
9.1 Introduction
9.2 General requirements
9.2.1 Location
9.2.2 Design
9.2.3 Mounting
9.2.4 Marking and colour coding
9.3 Operating environment
9.4 Connecting hardware for balanced cabling
9.4.1 General requirements
9.4.2 Performance marking
9.4.3 Operating environment
9.4.4 Mechanical and electrical characteristics of balanced connecting hardware
9.5 Connecting hardware for optical fibres
9.5.1 Operating environment
9.5.2 Connecting hardware for all-silica optical fibres
9.5.3 Connecting hardware for plastic optical fibres
9.5.4 Connecting hardware for plastic clad silica fibres
10 Cords
10.1 General
10.2 Operating environment
10.3 Balanced cords
10.3.1 General
10.3.2 Cable insertion loss
10.3.3 Identification
10.3.4 Operating environment
10.3.5 Electrical performance requirements for patch cords
10.4 Optical fibre cords
10.4.1 General
10.4.2 Identification
10.4.3 Performance requirements for patch cords
10.4.4 Operating environment
Annex A (normative) Permanent link performance limits
A.1 General
A.2 Balanced cabling
A.2.1 General
A.2.2 Additional requirements
A.2.3 Optical fibre cabling
Annex B (normative) Test methods
B.1 General
B.1.1 Visual inspection
B.1.2 Measurements
B.2 Test parameters for balanced cabling
B.2.1 General
B.2.2 Wire map
B.2.3 Length
B.2.4 Propagation delay
B.2.5 Delay skew
B.2.6 Attenuation (insertion loss)
B.2.7 Near end crosstalk loss (NEXT, pair-to-pair and power sum)
B.2.8 Equal level far end crosstalk loss (ELFEXT, pair-to-pair and power sum)
B.2.9 Attenuation to crosstalk ratio (ACR, pair-to-pair and power sum)
B.2.10 Return loss
B.2.11 Coupling attenuation
B.2.12 Direct current (d.c.) loop resistance
B.3 Test parameters for optical fibre cabling
B.3.1 General
B.3.2 All-silica optical fibre
B.3.3 Plastic optical fibre
B.3.4 Plastic clad silica optical fibre
Annex C (normative) Reference implementations (not conforming to clause 5)
C.1 Introduction
C.2 Connection-less channels
C.2.1 General
C.2.2 Channels with no connections
C.2.3 Channels with inter-connections
C.3 Channels using balanced cabling bulkhead connections
Annex D (informative) Reference implementations
D.1 Introduction
D.2 Channels using balanced cabling bulkhead connections with additional connections
Annex E (informative) Supported applications
E.1 Supported applications for balanced cabling
E.2 Supported applications for optical fibre cabling
Annex F (informative) Introduction to environmental classification in clause 6
F.1 General
F.2 Application of environmental classification
F.2.1 MICE
F.2.2 Channel environment
F.2.3 Component selection
F.3 The MICE system
F.4 Guidance with respect to environmental classification
Bibliographie
Figure 1 – Cabling specified by ISO/IEC 24702 and its relationship to OSI reference model layers
Figure 2 – Configuration of apparatus-based functional elements within industrial premises
Figure 3 – Structure of generic cabling for industrial environment
Figure 4 – Hierarchical structure of generic cabling for industrial premises
Figure 5 – Inter-relationship of functional elements in an installation with diversity for protection against failure
Figure 6 – Accommodation of functional elements
Figure 7 – Test and equipment interfaces
Figure 8 – Transmission performance of a channel
Figure 9 – Example of a system showing the location of cabling interfaces and extent of associated channels
Figure 10 – Eight position jack pin and pair grouping assignments (front view of connector)
Figure 11 – Four position jack pin and pair grouping assignments (front view of connector)
Figure A.1 – Permanent link options
Figure B.1 – Reference planes for link and channels (point-to-point)
Figure B.2 – The test system and the cabling under test
Figure C.1 – Balanced cabling channel configurations with no connections
Figure C.2 – Balanced cabling channel configurations of Figure C.1 with interconnection at distributor
Figure C.3 – Balanced cabling channel configurations with bulkhead connections
Figure D.1 – Channel configurations
Figure F.1 – Example of variation of the environment along a cabling channel
Figure F.2 – The local environment
Figure F.3 – Noise ranges of common industrial machine devices
Figure F.4 – Guidance on separation of cabling from noise sources
Table 1 – Channel environments
Table 2 – Details of environmental classification
Table 3 – Formulae for TCL limits for an unscreened cabling channel
Table 4 – Informative TCL limits for an unscreened cabling channel at key frequencies
Table 5 – Formulae for ELTCTL limits for an unscreened cabling channel
Table 6 – Informative ELTCTL limits for an unscreened cabling channel at key frequencies
Table 7 – Formulae for coupling attenuation limits for a screened cabling channel
Table 8 – Informative coupling attenuation limits for a screened cabling channel at key frequencies
Table 9 – Channel attenuation of optical fibre cabling channels
Table 10 – Optical fibre channel length equivalence for connecting hardware
Table 11 – Environmental performance specifications for balanced cables (in addition to IEC 61156-5-1 and IEC 61156-6-1)
Table 12 – Singlemode optical fibre cable (Category OS2) performance requirements
Table 13 – Environmental performance specifications for optical fibre cables (in addition to IEC 60794-2 and IEC 60794-3)
Table 14 – Optical fibre cable performance requirements
Table 15 – Environmental performance specifications for balanced cabling connecting hardware
Table 16 – Environmental performance specifications for optical fibre cabling connecting hardware
Table 17 – Environmental performance specifications for balanced cords (in addition to IEC/PAS 61935-2-20)
Table 18 – Environmental performance specifications for optical fibre cords (in addition to IEC 61753-X)
Table B.1 – Level of accuracy for balanced cabling tester
Table B.2 – Cabling characteristics of balanced cabling for acceptance, compliance, and reference testing
Table B.3 – Cabling characteristics of optical fibre cabling for acceptance, compliance, and reference testing
Table C.1 – Channel equations for balanced cabling
Table C.2 – Channel equations for bulkhead connections
Table D.1 – Channel equations
Table E.1 – Supported applications and maximum channel lengths with all-silica multimode optical fibres
Table E.2 – Supported applications and maximum channel lengths with all-silica singlemode optical fibres
Table E.3 – Supported applications and maximum channel lengths with plastic optical fibres
Table F.1 – Derivation of boundaries for mechanical criteria in Table 2
Table F.2 – Derivation of boundaries for ingress protection criteria in Table 2
Table F.3 – Derivation of boundaries for climatic criteria in Table 2
Table F.4 – Derivation of boundaries for chemical criteria in Table 2
Table F.5 – Derivation of boundaries for electromagnetic criteria in Table 2
Table F.6 – Guidance for the classification of electromagnetic environments
Table F.7 – Coupling mechanisms for common noise sources
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CONTENTS
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 Conformance
5 Structure
5.1 General
5.2 Functional elements
5.3 Cabling subsystem
5.3.1 General structure
5.3.2 Campus backbone cabling subsystem
5.3.3 Building backbone cabling subsystem
5.3.4 Floor cabling subsystem
5.3.5 Intermediate cabling subsystem
5.3.6 Centralized cabling architecture
5.3.7 Design objectives
5.4 Interconnection of subsystems
5.5 Accommodation of functional elements
5.6 Interfaces
5.6.1 Equipment interfaces and test interfaces
5.6.2 Channels and permanent links
5.6.3 External network interface
5.7 Dimensioning and configuring
5.7.1 General
5.7.2 Distributors
5.7.3 Cables
5.7.4 Apparatus attachment and equipment cords
5.7.5 Patch cords and jumpers
5.7.6 TO
5.7.7 Telecommunications rooms and equipment rooms
5.7.8 Industrial enclosures
5.7.9 Building entrance facilities
6 Channel performance
6.1 General
6.2 Environmental performance
6.2.1 General
6.2.2 Environmental classification
6.3 Transmission performance
6.3.1 General
6.3.2 Balanced cabling
6.3.3 Optical fibre cabling
7 Reference implementations
7.1 General
7.2 Balanced cabling
7.2.1 General
7.2.2 Intermediate cabling
7.2.3 Backbone cabling
7.3 Optical fibre cabling
7.3.1 General
7.3.2 Component choice
7.3.3 Maximum channel lengths
8 Cable requirements
8.1 Introduction
8.2 Operating environment
8.3 Balanced cables
8.4 Optical fibre cables
8.4.1 All-silica optical fibre cables
8.4.2 Plastic optical fibre cables
8.4.3 Plastic clad silica optical fibre cables
8.4.4 Propagation delay
9 Connecting hardware requirements
9.1 Introduction
9.2 General requirements
9.2.1 Location
9.2.2 Design
9.2.3 Mounting
9.2.4 Marking and colour coding
9.3 Operating environment
9.4 Connecting hardware for balanced cabling
9.4.1 General requirements
9.4.2 Performance marking
9.4.3 Operating environment
9.4.4 Mechanical and electrical characteristics of balanced connecting hardware
9.5 Connecting hardware for optical fibres
9.5.1 Operating environment
9.5.2 Connecting hardware for all-silica optical fibres
9.5.3 Connecting hardware for plastic optical fibres
9.5.4 Connecting hardware for plastic clad silica fibres
10 Cords
10.1 General
10.2 Operating environment
10.3 Balanced cords
10.3.1 General
10.3.2 Cable insertion loss
10.3.3 Identification
10.3.4 Operating environment
10.3.5 Electrical performance requirements for patch cords
10.4 Optical fibre cords
10.4.1 General
10.4.2 Identification
10.4.3 Performance requirements for patch cords
10.4.4 Operating environment
Annex A (normative) Permanent link performance limits
A.1 General
A.2 Balanced cabling
A.2.1 General
A.2.2 Additional requirements
A.2.3 Optical fibre cabling
Annex B (normative) Test methods
B.1 General
B.1.1 Visual inspection
B.1.2 Measurements
B.2 Test parameters for balanced cabling
B.2.1 General
B.2.2 Wire map
B.2.3 Length
B.2.4 Propagation delay
B.2.5 Delay skew
B.2.6 Attenuation (insertion loss)
B.2.7 Near end crosstalk loss (NEXT, pair-to-pair and power sum)
B.2.8 Equal level far end crosstalk loss (ELFEXT, pair-to-pair and power sum)
B.2.9 Attenuation to crosstalk ratio (ACR, pair-to-pair and power sum)
B.2.10 Return loss
B.2.11 Coupling attenuation
B.2.12 Direct current (d.c.) loop resistance
B.3 Test parameters for optical fibre cabling
B.3.1 General
B.3.2 All-silica optical fibre
B.3.3 Plastic optical fibre
B.3.4 Plastic clad silica optical fibre
Annex C (normative) Reference implementations (not conforming to clause 5)
C.1 Introduction
C.2 Connection-less channels
C.2.1 General
C.2.2 Channels with no connections
C.2.3 Channels with inter-connections
C.3 Channels using balanced cabling bulkhead connections
Annex D (informative) Reference implementations
D.1 Introduction
D.2 Channels using balanced cabling bulkhead connections with additional connections
Annex E (informative) Supported applications
E.1 Supported applications for balanced cabling
E.2 Supported applications for optical fibre cabling
Annex F (informative) Introduction to environmental classification in clause 6
F.1 General
F.2 Application of environmental classification
F.2.1 MICE
F.2.2 Channel environment
F.2.3 Component selection
F.3 The MICE system
F.4 Guidance with respect to environmental classification
Bibliographie
Figure 1 – Cabling specified by ISO/IEC 24702 and its relationship to OSI reference model layers
Figure 2 – Configuration of apparatus-based functional elements within industrial premises
Figure 3 – Structure of generic cabling for industrial environment
Figure 4 – Hierarchical structure of generic cabling for industrial premises
Figure 5 – Inter-relationship of functional elements in an installation with diversity for protection against failure
Figure 6 – Accommodation of functional elements
Figure 7 – Test and equipment interfaces
Figure 8 – Transmission performance of a channel
Figure 9 – Example of a system showing the location of cabling interfaces and extent of associated channels
Figure 10 – Eight position jack pin and pair grouping assignments (front view of connector)
Figure 11 – Four position jack pin and pair grouping assignments (front view of connector)
Figure A.1 – Permanent link options
Figure B.1 – Reference planes for link and channels (point-to-point)
Figure B.2 – The test system and the cabling under test
Figure C.1 – Balanced cabling channel configurations with no connections
Figure C.2 – Balanced cabling channel configurations of Figure C.1 with interconnection at distributor
Figure C.3 – Balanced cabling channel configurations with bulkhead connections
Figure D.1 – Channel configurations
Figure F.1 – Example of variation of the environment along a cabling channel
Figure F.2 – The local environment
Figure F.3 – Noise ranges of common industrial machine devices
Figure F.4 – Guidance on separation of cabling from noise sources
Table 1 – Channel environments
Table 2 – Details of environmental classification
Table 3 – Formulae for TCL limits for an unscreened cabling channel
Table 4 – Informative TCL limits for an unscreened cabling channel at key frequencies
Table 5 – Formulae for ELTCTL limits for an unscreened cabling channel
Table 6 – Informative ELTCTL limits for an unscreened cabling channel at key frequencies
Table 7 – Formulae for coupling attenuation limits for a screened cabling channel
Table 8 – Informative coupling attenuation limits for a screened cabling channel at key frequencies
Table 9 – Channel attenuation of optical fibre cabling channels
Table 10 – Optical fibre channel length equivalence for connecting hardware
Table 11 – Environmental performance specifications for balanced cables (in addition to IEC 61156-5-1 and IEC 61156-6-1)
Table 12 – Singlemode optical fibre cable (Category OS2) performance requirements
Table 13 – Environmental performance specifications for optical fibre cables (in addition to IEC 60794-2 and IEC 60794-3)
Table 14 – Optical fibre cable performance requirements
Table 15 – Environmental performance specifications for balanced cabling connecting hardware
Table 16 – Environmental performance specifications for optical fibre cabling connecting hardware
Table 17 – Environmental performance specifications for balanced cords (in addition to IEC/PAS 61935-2-20)
Table 18 – Environmental performance specifications for optical fibre cords (in addition to IEC 61753-X)
Table B.1 – Level of accuracy for balanced cabling tester
Table B.2 – Cabling characteristics of balanced cabling for acceptance, compliance, and reference testing
Table B.3 – Cabling characteristics of optical fibre cabling for acceptance, compliance, and reference testing
Table C.1 – Channel equations for balanced cabling
Table C.2 – Channel equations for bulkhead connections
Table D.1 – Channel equations
Table E.1 – Supported applications and maximum channel lengths with all-silica multimode optical fibres
Table E.2 – Supported applications and maximum channel lengths with all-silica singlemode optical fibres
Table E.3 – Supported applications and maximum channel lengths with plastic optical fibres
Table F.1 – Derivation of boundaries for mechanical criteria in Table 2
Table F.2 – Derivation of boundaries for ingress protection criteria in Table 2
Table F.3 – Derivation of boundaries for climatic criteria in Table 2
Table F.4 – Derivation of boundaries for chemical criteria in Table 2
Table F.5 – Derivation of boundaries for electromagnetic criteria in Table 2
Table F.6 – Guidance for the classification of electromagnetic environments
Table F.7 – Coupling mechanisms for common noise sources