ISO/IEC 11801-2:2017
(Main)Information technology — Generic cabling for customer premises — Part 2: Office premises
Information technology — Generic cabling for customer premises — Part 2: Office premises
ISO/IEC 11801-2:2017(E) This document specifies generic cabling within and between the buildings of office premises, or office spaces within other types of building. Additionally those premises can include industrial spaces (for which generic cabling is specified in ISO/IEC 11801-3) or data centre spaces (for which generic cabling is specified in ISO/IEC 11801-5).
Technologies de l'information — Câblage générique des locaux d'utilisateurs — Partie 2: Titre manque
General Information
Relations
Buy Standard
Standards Content (Sample)
ISO/IEC 11801-2
Edition 1.0 2017-11
INTERNATIONAL
STANDARD
Information technology – Generic cabling for customer premises –
Part 2: Office premises
ISO/IEC 11801-2:2017-11(en)
---------------------- Page: 1 ----------------------
THIS PUBLICATION IS COPYRIGHT PROTECTED
Copyright © 2017 ISO/IEC, Geneva, Switzerland
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
either IEC or IEC's member National Committee in the country of the requester. If you have any questions about
ISO/IEC copyright or have an enquiry about obtaining additional rights to this publication, please contact the address
below or your local IEC member National Committee for further information.
IEC Central Office Tel.: +41 22 919 02 11
3, rue de Varembé Fax: +41 22 919 03 00
CH-1211 Geneva 20 info@iec.ch
Switzerland www.iec.ch
About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.
About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigenda or an amendment might have been published.
IEC Catalogue - webstore.iec.ch/catalogue Electropedia - www.electropedia.org
The stand-alone application for consulting the entire The world's leading online dictionary of electronic and
bibliographical information on IEC International Standards, electrical terms containing 20 000 terms and definitions in
Technical Specifications, Technical Reports and other English and French, with equivalent terms in 16 additional
documents. Available for PC, Mac OS, Android Tablets and languages. Also known as the International Electrotechnical
iPad. Vocabulary (IEV) online.
IEC publications search - www.iec.ch/searchpub IEC Glossary - std.iec.ch/glossary
The advanced search enables to find IEC publications by a 65 000 electrotechnical terminology entries in English and
variety of criteria (reference number, text, technical French extracted from the Terms and Definitions clause of
committee,…). It also gives information on projects, replaced IEC publications issued since 2002. Some entries have been
and withdrawn publications. collected from earlier publications of IEC TC 37, 77, 86 and
CISPR.
IEC Just Published - webstore.iec.ch/justpublished
Stay up to date on all new IEC publications. Just Published IEC Customer Service Centre - webstore.iec.ch/csc
details all new publications released. Available online and If you wish to give us your feedback on this publication or
also once a month by email. need further assistance, please contact the Customer Service
Centre: csc@iec.ch.
---------------------- Page: 2 ----------------------
ISO/IEC 11801-2
Edition 1.0 2017-11
INTERNATIONAL
STANDARD
Information technology – Generic cabling for customer premises –
Part 2: Office premises
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 35.200 ISBN 978-2-8322-5034-1
Warning! Make sure that you obtained this publication from an authorized distributor.
---------------------- Page: 3 ----------------------
– 2 – ISO/IEC 11801-2:2017 © ISO/IEC 2017
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 8
2 Normative references . 8
3 Terms, definitions and abbreviated terms . 8
3.1 Terms and definitions . 8
3.2 Abbreviated terms . 9
4 Conformance . 9
5 Structure of the generic cabling system . 10
5.1 General . 10
5.2 Functional elements . 10
5.3 General structure and hierarchy . 11
5.3.1 General . 11
5.3.2 Campus and building backbone cabling subsystem . 11
5.3.3 Horizontal cabling subsystem . 11
5.3.4 Design objectives . 11
5.4 Interconnection of subsystems . 12
5.4.1 General . 12
5.4.2 Centralized cabling architecture . 12
5.5 Accommodation of functional elements . 12
5.6 Dimensioning and configuring . 13
5.6.1 Distributors . 13
5.6.2 Connecting hardware . 15
5.6.3 Work area cords and equipment cords . 15
5.6.4 Patch cords and jumpers . 15
5.6.5 Telecommunications outlet . 15
5.6.6 Consolidation point . 16
5.6.7 Telecommunications rooms and equipment rooms . 17
5.6.8 External services cabling . 17
6 Channel performance requirements . 17
6.1 General . 17
6.2 Environmental performance . 18
6.3 Transmission performance . 18
6.3.1 General . 18
6.3.2 Balanced cabling . 19
6.3.3 Optical fibre cabling . 19
7 Link performance requirements . 19
7.1 General . 19
7.2 Balanced cabling . 19
7.3 Optical fibre cabling . 19
8 Reference implementations . 20
8.1 General . 20
8.2 Balanced cabling . 20
8.2.1 General . 20
8.2.2 Horizontal cabling . 20
8.2.3 Campus and building backbone cabling system . 23
---------------------- Page: 4 ----------------------
ISO/IEC 11801-2:2017 © ISO/IEC 2017 – 3 –
8.3 Optical fibre cabling . 23
8.3.1 General . 23
8.3.2 Component selection . 23
8.3.3 Dimensions . 23
9 Cable requirements . 25
9.1 General . 25
9.2 Balanced cables . 26
9.3 Optical fibre cables . 26
10 Connecting hardware requirements . 26
10.1 General requirements . 26
10.2 Connecting hardware for balanced cabling . 26
10.2.1 General requirements . 26
10.2.2 Electrical, mechanical and environmental performance . 26
10.3 Connecting hardware for optical fibre cabling . 27
10.3.1 General requirements . 27
10.3.2 Optical, mechanical and environmental performance . 27
11 Cord requirements . 27
11.1 Jumpers . 27
11.2 Balanced cords . 27
11.2.1 General . 27
11.2.2 Additional requirements for work area cords . 27
11.3 Optical fibre cords . 27
Bibliography . 28
Figure 1 – Relationships between the generic cabling documents produced by
ISO/IEC JTC 1/SC 25 . 6
Figure 2 – Structure of generic cabling . 11
Figure 3 – Hierarchical structure of generic cabling . 12
Figure 4 – Structures for centralized generic cabling . 12
Figure 5 – Accommodation of functional elements . 13
Figure 6 – Example of a generic cabling system with combined BD and FD . 14
Figure 7 – Inter-relationship of functional elements in an installation with redundancy . 15
Figure 8 –Channel, permanent link and CP link . 18
Figure 9 – Example of a system showing the location of cabling interfaces and extent
of associated channels . 18
Figure 10 – Horizontal cabling models . 21
Figure 11 – Combined backbone/horizontal channels. 25
Table 1 – Maximum channel lengths . 14
Table 2 – Length assumptions used in the mathematical modelling of balanced
horizontal cabling . 22
Table 3 – Horizontal link length equations . 22
---------------------- Page: 5 ----------------------
– 4 – ISO/IEC 11801-2:2017 © ISO/IEC 2017
INFORMATION TECHNOLOGY –
GENERIC CABLING FOR CUSTOMER PREMISES –
Part 2: Office premises
FOREWORD
1) ISO (the International Organization for Standardization) and IEC (the International Electrotechnical
Commission) form the specialized system for worldwide standardization. National bodies that are members of
ISO or IEC participate in the development of International Standards through technical committees established
by the respective organization to deal with particular fields of technical activity. ISO and IEC technical
committees collaborate in fields of mutual interest. Other international organizations, governmental and non-
governmental, in liaison with ISO and IEC, also take part in the work. In the field of information technology,
ISO and IEC have established a joint technical committee, ISO/IEC JTC 1.
2) The formal decisions or agreements of IEC and ISO on technical matters express, as nearly as possible, an
international consensus of opinion on the relevant subjects since each technical committee has representation
from all interested IEC National Committees and ISO member bodies.
3) IEC, ISO and ISO/IEC publications have the form of recommendations for international use and are accepted
by IEC National Committees and ISO member bodies in that sense. While all reasonable efforts are made to
ensure that the technical content of IEC, ISO and ISO/IEC publications is accurate, IEC or ISO cannot be held
responsible for the way in which they are used or for any misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees and ISO member bodies undertake to
apply IEC, ISO and ISO/IEC publications transparently to the maximum extent possible in their national and
regional publications. Any divergence between any ISO, IEC or ISO/IEC publication and the corresponding
national or regional publication should be clearly indicated in the latter.
5) ISO and IEC do not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. ISO or IEC are not responsible
for any services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or ISO or its directors, employees, servants or agents including individual
experts and members of their technical committees and IEC National Committees or ISO member bodies for
any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or
for costs (including legal fees) and expenses arising out of the publication of, use of, or reliance upon, this
ISO/IEC publication or any other IEC, ISO or ISO/IEC publications.
8) Attention is drawn to the normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this ISO/IEC publication may be the subject
of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights.
International Standard ISO/IEC 11801-2 was prepared by subcommittee 25: Interconnection
of information technology equipment, of ISO/IEC joint technical committee 1: Information
technology.
This first edition, together with ISO/IEC 11801-1, cancels and replaces ISO/IEC 11801:2002,
Amendment 1:2008 and Amendment 2:2010. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) standard re-structured to contain only those requirements that are specific for generic
cabling systems installed in offices,
b) alignment of functional element designations with the generic terminology of
ISO/IEC 11801-1,
c) reference to the campus and building backbone cabling system specification of
ISO/IEC 11801-1,
d) reference to the channel and link specifications of ISO/IEC 11801-1.
---------------------- Page: 6 ----------------------
ISO/IEC 11801-2:2017 © ISO/IEC 2017 – 5 –
ISO/IEC 11801-2 is to be read in conjunction with ISO/IEC 11801-1.
This International Standard has been approved by vote of the member bodies, and the voting
results may be obtained from the address given on the second title page.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.
A list of all parts in the ISO/IEC 11801 series, published under the general title Information
technology – Generic cabling for customer premises, can be found on the IEC website.
The contents of the corrigendum of April 2018 have been included in this copy.
---------------------- Page: 7 ----------------------
– 6 – ISO/IEC 11801-2:2017 © ISO/IEC 2017
INTRODUCTION
The importance of cabling infrastructure is similar to that of other fundamental utilities such as
water and energy supply and interruptions to the services provided over that infrastructure
can have a serious impact. A lack of design foresight, the use of inappropriate components,
incorrect installation, poor administration or inadequate support can threaten quality of service
and have commercial consequence for all types of users.
This document specifies generic cabling within and between the buildings of office premises,
or office spaces within other types of building.
Additionally those premises can include
• industrial spaces for which generic cabling is specified in ISO/IEC 11801-3,
• data centre spaces for which generic cabling is specified in ISO/IEC 11801-5.
Generic cabling for distributed building services in office spaces is specified in
ISO/IEC 11801-6, which addresses all of the above premises and spaces within them.
Figure 1 shows the schematic and contextual relationships between the standards relating to
information technology cabling produced by ISO/IEC JTC 1/SC 25, namely the ISO/IEC 11801
series of standards for generic cabling design, standards for the installation, operation and
administration of generic cabling and for testing of installed generic cabling.
Figure 1 – Relationships between the generic cabling
documents produced by ISO/IEC JTC 1/SC 25
---------------------- Page: 8 ----------------------
ISO/IEC 11801-2:2017 © ISO/IEC 2017 – 7 –
The generic cabling specified by this document provides users with
a) an application independent system capable of supporting a wide range of applications in a
range of installation and operating environments,
b) a flexible scheme such that modifications are both easy and economical,
c) a multi-vendor supply chain within an open market for cabling components.
In addition, this document provides
d) relevant industry professionals with guidance allowing the accommodation of cabling
before specific requirements are known, i.e. in the initial planning either for construction or
refurbishment and for further deployment as the requirements of areas are defined,
e) industry and standardization bodies with a cabling system which supports current products
and provides a basis for future product development and applications standardization.
Applications addressed in this document include those developed by the technical committees
of IEC (including the subcommittees of ISO/IEC JTC 1) and study groups of ITU-T.
Physical layer requirements for the applications listed in Annex E of ISO/IEC 11801-1:2017
have been analysed to determine their compatibility with the cabling performance specified in
this document and, together with statistics concerning premises geography from different
countries and the models described in Clause 6, have been used to develop the requirements
for cabling components and to stipulate their arrangement into cabling systems.
As a result, this document
1) specifies a structure for generic cabling supporting a wide variety of applications,
2) adopts balanced cabling channel and link Classes E, E , F, and F specified in
A A
ISO/IEC 11801-1,
3) adopts optical fibre cabling channel and link requirements specified in ISO/IEC 11801-1,
4) adopts component requirements, specified in ISO/IEC 11801-1, and specifies cabling
implementations that ensure performance of permanent links and of channels that meet or
exceed the requirements of a specified group (e.g. Class) of applications.
Life expectancy of generic cabling systems can vary depending on environmental conditions,
supporting applications, aging of materials used in cables, and other factors, such as access
to pathways (campus pathways are more difficult to access than building pathways). With
appropriate choice of components, generic cabling systems meeting the requirements of this
document are expected to have a life expectancy of at least ten years.
This document has taken into account requirements specified in application standards listed
in ISO/IEC 11801-1:2017, Annex E. It refers to International Standards for components and
test methods whenever appropriate International Standards are available.
---------------------- Page: 9 ----------------------
– 8 – ISO/IEC 11801-2:2017 © ISO/IEC 2017
INFORMATION TECHNOLOGY –
GENERIC CABLING FOR CUSTOMER PREMISES –
Part 2: Office premises
1 Scope
This part of ISO/IEC 11801 specifies generic cabling for use within office premises, which can
comprise single or multiple buildings on a campus. It covers balanced cabling and optical fibre
cabling.
This document is optimized for premises in which the maximum distance over which
telecommunications services can be distributed is 2 000 m. The principles of this document
can be applied to larger installations.
Cabling specified by this document supports a wide range of services including voice, data,
and video that can also incorporate the supply of power.
This document specifies directly or via reference to ISO/IEC 11801-1
a) the structure and minimum configuration for generic cabling within office premises,
b) the interfaces at the telecommunications outlet (TO),
c) the performance requirements for cabling links and channels,
d) the implementation requirements and options,
e) the performance requirements for cabling components,
f) the conformance requirements and verification procedures.
Safety (e.g. electrical safety and protection and fire) and electromagnetic compatibility (EMC)
requirements are outside the scope of this document, and are covered by other standards and
by regulations. However, information given by this document can be of assistance.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their
content constitutes requirements of this document. For dated references, only the edition
cited applies. For undated references, the latest edition of the referenced document (including
any amendments) applies.
IEC 61754-20 (all parts), Fibre optic interconnecting devices and passive components – Fibre
optic connector interfaces – Part 20: Type LC connector family
ISO/IEC 11801-1:2017, Information technology – Generic cabling for customer premises –
Part 1: General requirements
ISO/IEC 14763-2, Information technology – Implementation and operation of customer
premises cabling – Part 2: Planning and installation
ISO/IEC 30129, Information technology – Telecommunications bonding networks for buildings
and other structures
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO/IEC 11801-1,
ISO/IEC 14763-2 and the following apply.
---------------------- Page: 10 ----------------------
ISO/IEC 11801-2:2017 © ISO/IEC 2017 – 9 –
ISO and IEC maintain terminological databases for use in standardization at the following
addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
3.1.1
equipment room
room dedicated to housing distributors and application specific equipment
3.1.2
floor distributor
distributor used to connect between the horizontal cable and other cabling subsystems or
equipment
Note 1 to entry: See also telecommunications room.
3.1.3
horizontal cable
cable connecting the floor distributor to the consolidation point (CP) if a CP is present, or to
the telecommunications outlet if no CP is present
3.1.4
individual work area
minimum building space that would be reserved for an occupant
3.1.5
multi-user telecommunications outlet assembly
grouping in one location of several telecommunications outlets
3.1.6
telecommunications room
enclosed space for housing telecommunications equipment, cable terminations, interconnect
and cross-connect
3.1.7
work area
building space where the occupants interact with telecommunications terminal equipment
3.1.8
work area cord
cord connecting the telecommunications outlet to the terminal equipment
3.2 Abbreviated terms
For the purposes of this document, the abbreviated terms given in ISO/IEC 11801-1 and the
following apply.
FD floor distributor
MUTO multi-user telecommunications outlet
PBX private branch exchange
4 Conformance
For a cabling installation to conform to this document the following applies.
a) The configuration and structure shall conform to the requirements outlined in Clause 5.
b) Channels shall meet the requirements specified in Clause 6 when subjected to
environment conditions, local to the channels (see NOTE below), as defined by the
applicable environmental Class(es) of Clause 6.
This shall be achieved by one of the following:
---------------------- Page: 11 ----------------------
– 10 – ISO/IEC 11801-2:2017 © ISO/IEC 2017
1) a channel design and implementation ensuring that the prescribed channel
performance of Clause 6 is met;
2) attachment of appropriate components to a permanent link or CP link design meeting
the prescribed performance class of Clause 7. Channel performance shall be ensured
where a channel is created by adding more than one cord to either end of a link
meeting the requirements of Clause 7;
3) for E environments, using the reference implementations of Clause 8 and compatible
1
cabling components conforming to the requirements of Clauses 9, 10, and 11, that is
based upon a statistical approach of performance modelling.
c) The interfaces to the cabling at the TO shall conform to the requirements of Clause 10
with respect to mating interfaces and performance when subjected to environment
conditions, local to the connecting hardware (see NOTE below), as defined by the
applicable environmental Class(es) of Clause 6.
d) Connecting hardware at other places in the cabling structure shall meet the performance
requirements specified in Clause 10 when subjected to environment conditions, local to
the connecting hardware (see NOTE below), as defined by the applicable environmental
Class(es) of Clause 6.
e) The requirements of ISO/IEC 14763-2 and ISO/IEC 30219 shall be met.
This document does not specify which tests and sampling levels should be adopted. Test
methods to assess conformance with the channel and link requirements of Clause 6 and
Clause 7, respectively, are specified in ISO/IEC 11801-1. The test parameters to be
measured, the sampling levels and the treatment of measured results to be applied for
particular installations shall be defined in the installation specification and quality plan for that
installation, prepared in accordance with ISO/IEC 14763-2.
In the absence of the channel, the conformance of the link shall be used to verify
conformance to this document.
Specifications marked "ffs" are preliminary specifications, and are not required for
conformance to this document.
NOTE The applicable environmental cla
...
ISO/IEC 11801-2
Edition 1.0 2017-11
INTERNATIONAL
STANDARD
Information technology – Generic cabling for customer premises –
Part 2: Office premises
ISO/IEC 11801-2:2017-11(en)
---------------------- Page: 1 ----------------------
THIS PUBLICATION IS COPYRIGHT PROTECTED
Copyright © 2017 ISO/IEC, Geneva, Switzerland
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
either IEC or IEC's member National Committee in the country of the requester. If you have any questions about
ISO/IEC copyright or have an enquiry about obtaining additional rights to this publication, please contact the address
below or your local IEC member National Committee for further information.
IEC Central Office Tel.: +41 22 919 02 11
3, rue de Varembé Fax: +41 22 919 03 00
CH-1211 Geneva 20 info@iec.ch
Switzerland www.iec.ch
About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.
About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigenda or an amendment might have been published.
IEC Catalogue - webstore.iec.ch/catalogue Electropedia - www.electropedia.org
The stand-alone application for consulting the entire The world's leading online dictionary of electronic and
bibliographical information on IEC International Standards, electrical terms containing 20 000 terms and definitions in
Technical Specifications, Technical Reports and other English and French, with equivalent terms in 16 additional
documents. Available for PC, Mac OS, Android Tablets and languages. Also known as the International Electrotechnical
iPad. Vocabulary (IEV) online.
IEC publications search - www.iec.ch/searchpub IEC Glossary - std.iec.ch/glossary
The advanced search enables to find IEC publications by a 65 000 electrotechnical terminology entries in English and
variety of criteria (reference number, text, technical French extracted from the Terms and Definitions clause of
committee,…). It also gives information on projects, replaced IEC publications issued since 2002. Some entries have been
and withdrawn publications. collected from earlier publications of IEC TC 37, 77, 86 and
CISPR.
IEC Just Published - webstore.iec.ch/justpublished
Stay up to date on all new IEC publications. Just Published IEC Customer Service Centre - webstore.iec.ch/csc
details all new publications released. Available online and If you wish to give us your feedback on this publication or
also once a month by email. need further assistance, please contact the Customer Service
Centre: csc@iec.ch.
---------------------- Page: 2 ----------------------
ISO/IEC 11801-2
Edition 1.0 2017-11
INTERNATIONAL
STANDARD
Information technology – Generic cabling for customer premises –
Part 2: Office premises
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 35.200 ISBN 978-2-8322-5034-1
Warning! Make sure that you obtained this publication from an authorized distributor.
---------------------- Page: 3 ----------------------
– 2 – ISO/IEC 11801-2:2017 © ISO/IEC 2017
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 8
2 Normative references . 8
3 Terms, definitions and abbreviated terms . 8
3.1 Terms and definitions . 8
3.2 Abbreviated terms . 9
4 Conformance . 9
5 Structure of the generic cabling system . 10
5.1 General . 10
5.2 Functional elements . 10
5.3 General structure and hierarchy . 11
5.3.1 General . 11
5.3.2 Campus and building backbone cabling subsystem . 11
5.3.3 Horizontal cabling subsystem . 11
5.3.4 Design objectives . 11
5.4 Interconnection of subsystems . 12
5.4.1 General . 12
5.4.2 Centralized cabling architecture . 12
5.5 Accommodation of functional elements . 12
5.6 Dimensioning and configuring . 13
5.6.1 Distributors . 13
5.6.2 Connecting hardware . 15
5.6.3 Work area cords and equipment cords . 15
5.6.4 Patch cords and jumpers . 15
5.6.5 Telecommunications outlet . 15
5.6.6 Consolidation point . 16
5.6.7 Telecommunications rooms and equipment rooms . 17
5.6.8 External services cabling . 17
6 Channel performance requirements . 17
6.1 General . 17
6.2 Environmental performance . 18
6.3 Transmission performance . 18
6.3.1 General . 18
6.3.2 Balanced cabling . 19
6.3.3 Optical fibre cabling . 19
7 Link performance requirements . 19
7.1 General . 19
7.2 Balanced cabling . 19
7.3 Optical fibre cabling . 19
8 Reference implementations . 20
8.1 General . 20
8.2 Balanced cabling . 20
8.2.1 General . 20
8.2.2 Horizontal cabling . 20
8.2.3 Campus and building backbone cabling system . 23
---------------------- Page: 4 ----------------------
ISO/IEC 11801-2:2017 © ISO/IEC 2017 – 3 –
8.3 Optical fibre cabling . 23
8.3.1 General . 23
8.3.2 Component selection . 23
8.3.3 Dimensions . 23
9 Cable requirements . 25
9.1 General . 25
9.2 Balanced cables . 26
9.3 Optical fibre cables . 26
10 Connecting hardware requirements . 26
10.1 General requirements . 26
10.2 Connecting hardware for balanced cabling . 26
10.2.1 General requirements . 26
10.2.2 Electrical, mechanical and environmental performance . 26
10.3 Connecting hardware for optical fibre cabling . 27
10.3.1 General requirements . 27
10.3.2 Optical, mechanical and environmental performance . 27
11 Cord requirements . 27
11.1 Jumpers . 27
11.2 Balanced cords . 27
11.2.1 General . 27
11.2.2 Additional requirements for work area cords . 27
11.3 Optical fibre cords . 27
Bibliography . 28
Figure 1 – Relationships between the generic cabling documents produced by
ISO/IEC JTC 1/SC 25 . 6
Figure 2 – Structure of generic cabling . 11
Figure 3 – Hierarchical structure of generic cabling . 12
Figure 4 – Structures for centralized generic cabling . 12
Figure 5 – Accommodation of functional elements . 13
Figure 6 – Example of a generic cabling system with combined BD and FD . 14
Figure 7 – Inter-relationship of functional elements in an installation with redundancy . 15
Figure 8 –Channel, permanent link and CP link . 18
Figure 9 – Example of a system showing the location of cabling interfaces and extent
of associated channels . 18
Figure 10 – Horizontal cabling models . 21
Figure 11 – Combined backbone/horizontal channels. 25
Table 1 – Maximum channel lengths . 14
Table 2 – Length assumptions used in the mathematical modelling of balanced
horizontal cabling . 22
Table 3 – Horizontal link length equations . 22
---------------------- Page: 5 ----------------------
– 4 – ISO/IEC 11801-2:2017 © ISO/IEC 2017
INFORMATION TECHNOLOGY –
GENERIC CABLING FOR CUSTOMER PREMISES –
Part 2: Office premises
FOREWORD
1) ISO (the International Organization for Standardization) and IEC (the International Electrotechnical
Commission) form the specialized system for worldwide standardization. National bodies that are members of
ISO or IEC participate in the development of International Standards through technical committees established
by the respective organization to deal with particular fields of technical activity. ISO and IEC technical
committees collaborate in fields of mutual interest. Other international organizations, governmental and non-
governmental, in liaison with ISO and IEC, also take part in the work. In the field of information technology,
ISO and IEC have established a joint technical committee, ISO/IEC JTC 1.
2) The formal decisions or agreements of IEC and ISO on technical matters express, as nearly as possible, an
international consensus of opinion on the relevant subjects since each technical committee has representation
from all interested IEC National Committees and ISO member bodies.
3) IEC, ISO and ISO/IEC publications have the form of recommendations for international use and are accepted
by IEC National Committees and ISO member bodies in that sense. While all reasonable efforts are made to
ensure that the technical content of IEC, ISO and ISO/IEC publications is accurate, IEC or ISO cannot be held
responsible for the way in which they are used or for any misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees and ISO member bodies undertake to
apply IEC, ISO and ISO/IEC publications transparently to the maximum extent possible in their national and
regional publications. Any divergence between any ISO, IEC or ISO/IEC publication and the corresponding
national or regional publication should be clearly indicated in the latter.
5) ISO and IEC do not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. ISO or IEC are not responsible
for any services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or ISO or its directors, employees, servants or agents including individual
experts and members of their technical committees and IEC National Committees or ISO member bodies for
any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or
for costs (including legal fees) and expenses arising out of the publication of, use of, or reliance upon, this
ISO/IEC publication or any other IEC, ISO or ISO/IEC publications.
8) Attention is drawn to the normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this ISO/IEC publication may be the subject
of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights.
International Standard ISO/IEC 11801-2 was prepared by subcommittee 25: Interconnection
of information technology equipment, of ISO/IEC joint technical committee 1: Information
technology.
This first edition, together with ISO/IEC 11801-1, cancels and replaces ISO/IEC 11801:2002,
Amendment 1:2008 and Amendment 2:2010. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) standard re-structured to contain only those requirements that are specific for generic
cabling systems installed in offices,
b) alignment of functional element designations with the generic terminology of
ISO/IEC 11801-1,
c) reference to the campus and building backbone cabling system specification of
ISO/IEC 11801-1,
d) reference to the channel and link specifications of ISO/IEC 11801-1.
---------------------- Page: 6 ----------------------
ISO/IEC 11801-2:2017 © ISO/IEC 2017 – 5 –
ISO/IEC 11801-2 is to be read in conjunction with ISO/IEC 11801-1.
This International Standard has been approved by vote of the member bodies, and the voting
results may be obtained from the address given on the second title page.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.
A list of all parts in the ISO/IEC 11801 series, published under the general title Information
technology – Generic cabling for customer premises, can be found on the IEC website.
---------------------- Page: 7 ----------------------
– 6 – ISO/IEC 11801-2:2017 © ISO/IEC 2017
INTRODUCTION
The importance of cabling infrastructure is similar to that of other fundamental utilities such as
water and energy supply and interruptions to the services provided over that infrastructure
can have a serious impact. A lack of design foresight, the use of inappropriate components,
incorrect installation, poor administration or inadequate support can threaten quality of service
and have commercial consequence for all types of users.
This document specifies generic cabling within and between the buildings of office premises,
or office spaces within other types of building.
Additionally those premises can include
• industrial spaces for which generic cabling is specified in ISO/IEC 11801-3,
• data centre spaces for which generic cabling is specified in ISO/IEC 11801-5.
Generic cabling for distributed building services in office spaces is specified in
ISO/IEC 11801-6, which addresses all of the above premises and spaces within them.
Figure 1 shows the schematic and contextual relationships between the standards relating to
information technology cabling produced by ISO/IEC JTC 1/SC 25, namely the ISO/IEC 11801
series of standards for generic cabling design, standards for the installation, operation and
administration of generic cabling and for testing of installed generic cabling.
IEC
Figure 1 – Relationships between the generic cabling
documents produced by ISO/IEC JTC 1/SC 25
The generic cabling specified by this document provides users with
a) an application independent system capable of supporting a wide range of applications in a
range of installation and operating environments,
b) a flexible scheme such that modifications are both easy and economical,
---------------------- Page: 8 ----------------------
ISO/IEC 11801-2:2017 © ISO/IEC 2017 – 7 –
c) a multi-vendor supply chain within an open market for cabling components.
In addition, this document provides
d) relevant industry professionals with guidance allowing the accommodation of cabling
before specific requirements are known, i.e. in the initial planning either for construction or
refurbishment and for further deployment as the requirements of areas are defined,
e) industry and standardization bodies with a cabling system which supports current products
and provides a basis for future product development and applications standardization.
Applications addressed in this document include those developed by the technical committees
of IEC (including the subcommittees of ISO/IEC JTC 1) and study groups of ITU-T.
Physical layer requirements for the applications listed in Annex E of ISO/IEC 11801-1:2017
have been analysed to determine their compatibility with the cabling performance specified in
this document and, together with statistics concerning premises geography from different
countries and the models described in Clause 6, have been used to develop the requirements
for cabling components and to stipulate their arrangement into cabling systems.
As a result, this document
1) specifies a structure for generic cabling supporting a wide variety of applications,
2) adopts balanced cabling channel and link Classes E, E , F, and F specified in
A A
ISO/IEC 11801-1,
3) adopts optical fibre cabling channel and link requirements specified in ISO/IEC 11801-1,
4) adopts component requirements, specified in ISO/IEC 11801-1, and specifies cabling
implementations that ensure performance of permanent links and of channels that meet or
exceed the requirements of a specified group (e.g. Class) of applications.
Life expectancy of generic cabling systems can vary depending on environmental conditions,
supporting applications, aging of materials used in cables, and other factors, such as access
to pathways (campus pathways are more difficult to access than building pathways). With
appropriate choice of components, generic cabling systems meeting the requirements of this
document are expected to have a life expectancy of at least ten years.
This document has taken into account requirements specified in application standards listed
in ISO/IEC 11801-1:2017, Annex E. It refers to International Standards for components and
test methods whenever appropriate International Standards are available.
---------------------- Page: 9 ----------------------
– 8 – ISO/IEC 11801-2:2017 © ISO/IEC 2017
INFORMATION TECHNOLOGY –
GENERIC CABLING FOR CUSTOMER PREMISES –
Part 2: Office premises
1 Scope
This part of ISO/IEC 11801 specifies generic cabling for use within office premises, which can
comprise single or multiple buildings on a campus. It covers balanced cabling and optical fibre
cabling.
This document is optimized for premises in which the maximum distance over which
telecommunications services can be distributed is 2 000 m. The principles of this document
can be applied to larger installations.
Cabling specified by this document supports a wide range of services including voice, data,
and video that can also incorporate the supply of power.
This document specifies directly or via reference to ISO/IEC 11801-1
a) the structure and minimum configuration for generic cabling within office premises,
b) the interfaces at the telecommunications outlet (TO),
c) the performance requirements for cabling links and channels,
d) the implementation requirements and options,
e) the performance requirements for cabling components,
f) the conformance requirements and verification procedures.
Safety (e.g. electrical safety and protection and fire) and electromagnetic compatibility (EMC)
requirements are outside the scope of this document, and are covered by other standards and
by regulations. However, information given by this document can be of assistance.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their
content constitutes requirements of this document. For dated references, only the edition
cited applies. For undated references, the latest edition of the referenced document (including
any amendments) applies.
IEC 61754-20 (all parts), Fibre optic interconnecting devices and passive components – Fibre
optic connector interfaces – Part 20: Type LC connector family
ISO/IEC 11801-1:2017, Information technology – Generic cabling for customer premises –
Part 1: General requirements
ISO/IEC 14763-2, Information technology – Implementation and operation of customer
premises cabling – Part 2: Planning and installation
ISO/IEC 30129, Information technology – Telecommunications bonding networks for buildings
and other structures
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO/IEC 11801-1,
ISO/IEC 14763-2 and the following apply.
---------------------- Page: 10 ----------------------
ISO/IEC 11801-2:2017 © ISO/IEC 2017 – 9 –
ISO and IEC maintain terminological databases for use in standardization at the following
addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
3.1.1
equipment room
room dedicated to housing distributors and application specific equipment
3.1.2
floor distributor
distributor used to connect between the horizontal cable and other cabling subsystems or
equipment
Note 1 to entry: See also telecommunications room.
3.1.3
horizontal cable
cable connecting the floor distributor to the consolidation point (CP) if a CP is present, or to
the telecommunications outlet if no CP is present
3.1.4
individual work area
minimum building space that would be reserved for an occupant
3.1.5
multi-user telecommunications outlet assembly
grouping in one location of several telecommunications outlets
3.1.6
telecommunications room
enclosed space for housing telecommunications equipment, cable terminations, interconnect
and cross-connect
3.1.7
work area
building space where the occupants interact with telecommunications terminal equipment
3.1.8
work area cord
cord connecting the telecommunications outlet to the terminal equipment
3.2 Abbreviated terms
For the purposes of this document, the abbreviated terms given in ISO/IEC 11801-1 and the
following apply.
FD floor distributor
MUTO multi-user telecommunications outlet
PBX private branch exchange
4 Conformance
For a cabling installation to conform to this document the following applies.
a) The configuration and structure shall conform to the requirements outlined in Clause 5.
b) Channels shall meet the requirements specified in Clause 6 when subjected to
environment conditions, local to the channels (see NOTE below), as defined by the
applicable environmental Class(es) of Clause 6.
This shall be achieved by one of the following:
---------------------- Page: 11 ----------------------
– 10 – ISO/IEC 11801-2:2017 © ISO/IEC 2017
1) a channel design and implementation ensuring that the prescribed channel
performance of Clause 6 is met;
2) attachment of appropriate components to a permanent link or CP link design meeting
the prescribed performance class of Clause 7. Channel performance shall be ensured
where a channel is created by adding more than one cord to either end of a link
meeting the requirements of Clause 7;
3) for E environments, using the reference implementations of Clause 8 and compatible
1
cabling components conforming to the requirements of Clauses 9, 10, and 11, that is
based upon a statistical approach of performance modelling.
c) The interfaces to the cabling at the TO shall conform to the requirements of Clause 10
with respect to mating interfaces and performance when subjected to environment
conditions, local to the connecting hardware (see NOTE below), as defined by the
applicable environmental Class(es) of Clause 6.
d) Connecting hardware at other places in the cabling structure shall meet the performance
requirements specified in Clause 10 when subjected to environment conditions, local to
the connecting hardware (see NOTE below), as defined by the applicable environmental
Class(es) of Clause 6.
e) The requirements of ISO/IEC 14763-2 and ISO/IEC 30219 shall be met.
This document does not specify which tests and sampling levels should be adopted. Test
methods to assess conformance with the channel and link requirements of Clause 6 and
Clause 7, respectively, are specified in ISO/IEC 11801-1. The test parameters to be
measured, the sampling levels and the treatment of measured results to be applied for
particular installations shall be defined in the installation specification and quality plan for that
installation, prepared in accordance with ISO/IEC 14763-2.
In the absence of the channel, the conformance of the link shall be used to verify
conformance to this document.
Specifications marked "ffs" are preliminary specifications, and are not required for
conformance to this document.
NOTE The applicable environmental classification of ISO/IEC 11801-1:2017, 6.2, local to the cabling or cabling
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.