Multicore and symmetrical pair/quad cables for digital communications - Part 5-2: Symmetrical pair/quad cables with transmission characteristics up to 600 MHz - Horizontal floor wiring - Capability approval - Sectional specification

Applies to Capability Approval requirements for cables for digital communications in horizontal floor wiring in accordance with generic specification IEC 61156-1-1 and Clause 4 of the sectional specification IEC 61156-5.

General Information

Status
Published
Publication Date
20-May-2002
Drafting Committee
WG 7 - TC 46/SC 46C/WG 7
Current Stage
PPUB - Publication issued
Start Date
21-May-2002
Completion Date
30-Jun-2002

Overview

IEC 61156-5-2:2002 is an international standard established by the International Electrotechnical Commission (IEC) that specifies capability approval requirements for symmetrical pair/quad multicore cables used in digital communications. Specifically, it covers horizontal floor wiring cables with transmission characteristics up to 600 MHz. This sectional specification provides comprehensive guidelines aligned with the generic specification IEC 61156-1-1 and sectional specification IEC 61156-5, ensuring consistent quality and performance for digital communication cables in horizontal installations.

This standard focuses on defining the manufacturing processes, quality management, and approval protocols necessary for producing reliable symmetrical pair/quad cables suited for high-frequency communications infrastructure.

Key Topics

  • Scope and Application
    IEC 61156-5-2 applies to cables used for digital communication in horizontal floor wiring environments, emphasizing capability approval based on detailed construction and manufacturing criteria.

  • Capability Manual Requirements
    Descriptions include cable families, construction details (conductor size, insulation type, sheath, screening), and additional characteristics unique to cable variants.

  • Manufacturing Process Identification
    Outlines the use of flow charts and process phase breakdowns such as extrusion, twisting, laying-up, screening, and sheathing, with clear process boundaries and quality control checkpoints.

  • Quality Plan Components
    Addresses process control, testing procedures, acceptance limits, sampling plans, and identification of Capability Qualifying Components (CQCs). It includes specifications for raw materials, design criteria referencing manufacturer documentation, and sampling methodologies to verify cable consistency.

  • Maintenance of Capability Approval
    Mandates continuous evaluation through documentation review, product testing, and manufacturing line inspections to ensure ongoing compliance with capability approval standards.

Applications

IEC 61156-5-2 cables are critical in environments requiring high-performance horizontal floor wiring for digital communications systems. Applications include:

  • Structured Cabling Systems for enterprise networking, ensuring signal integrity for high-frequency data transmission up to 600 MHz.
  • Office and Commercial Buildings where symmetrical pair/quad cables provide reliable horizontal cable runs connecting workstations and network equipment.
  • Data Centers requiring verified cable quality and performance to support high-speed, high-bandwidth digital communications.
  • Telecommunications Infrastructure that demands standardized cabling capable of maintaining consistent transmission characteristics.

By adhering to this standard, manufacturers and customers can ensure the delivery of cables that meet rigorous performance criteria, supporting modern digital communication needs with enhanced reliability and quality assurance.

Related Standards

IEC 61156-5-2 works in conjunction with several related IEC standards, including:

  • IEC 61156-1: Generic specification for multicore and symmetrical pair/quad cables used in digital communications.
  • IEC 61156-1-1: Capability approval - generic specification, which details the framework for cable capability certification.
  • IEC 61156-5: Sectional specification focusing on symmetrical pair/quad cables with transmission characteristics up to 600 MHz for horizontal floor wiring.

Together, these standards form a comprehensive suite for ensuring the design, manufacture, testing, and ongoing quality management of high-frequency digital communication cables used worldwide.


Keywords: IEC 61156-5-2, capability approval, symmetrical pair/quad cables, digital communications cables, horizontal floor wiring, multicore cables, cable manufacturing, quality plan, transmission characteristics, IEC standards, cable testing, digital communication infrastructure.

Standard

IEC 61156-5-2:2002 - Multicore and symmetrical pair/quad cables for digital communications - Part 5-2: Symmetrical pair/quad cables with transmission characteristics up to 600 MHz - Horizontal floor wiring - Capability approval - Sectional specification

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Frequently Asked Questions

IEC 61156-5-2:2002 is a standard published by the International Electrotechnical Commission (IEC). Its full title is "Multicore and symmetrical pair/quad cables for digital communications - Part 5-2: Symmetrical pair/quad cables with transmission characteristics up to 600 MHz - Horizontal floor wiring - Capability approval - Sectional specification". This standard covers: Applies to Capability Approval requirements for cables for digital communications in horizontal floor wiring in accordance with generic specification IEC 61156-1-1 and Clause 4 of the sectional specification IEC 61156-5.

Applies to Capability Approval requirements for cables for digital communications in horizontal floor wiring in accordance with generic specification IEC 61156-1-1 and Clause 4 of the sectional specification IEC 61156-5.

IEC 61156-5-2:2002 is classified under the following ICS (International Classification for Standards) categories: 33.120.20 - Wires and symmetrical cables. The ICS classification helps identify the subject area and facilitates finding related standards.

IEC 61156-5-2:2002 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.

Standards Content (Sample)


INTERNATIONAL IEC
STANDARD
61156-5-2
First edition
2002-05
Multicore and symmetrical pair/quad cables
for digital communications –
Part 5-2:
Symmetrical pair/quad cables with transmission
characteristics up to 600 MHz –
Horizontal floor wiring – Capability approval –
Sectional specification
Câbles multiconducteurs à paires symétriques et quartes
pour transmissions numériques –
Partie 5-2:
Câbles à paires symétriques et quartes avec caractéristiques
de transmission allant jusqu'à 600 MHz –
Câble capillaire – Agrément de savoir-faire
Spécification intermédiaire
Reference number
Publication numbering
As from 1 January 1997 all IEC publications are issued with a designation in the
60000 series. For example, IEC 34-1 is now referred to as IEC 60034-1.
Consolidated editions
The IEC is now publishing consolidated versions of its publications. For example,
edition numbers 1.0, 1.1 and 1.2 refer, respectively, to the base publication, the
base publication incorporating amendment 1 and the base publication incorporating
amendments 1 and 2.
Further information on IEC publications
The technical content of IEC publications is kept under constant review by the IEC,
thus ensuring that the content reflects current technology. Information relating to
this publication, including its validity, is available in the IEC Catalogue of
publications (see below) in addition to new editions, amendments and corrigenda.
Information on the subjects under consideration and work in progress undertaken
by the technical committee which has prepared this publication, as well as the list
of publications issued, is also available from the following:
• IEC Web Site (www.iec.ch)
• Catalogue of IEC publications
The on-line catalogue on the IEC web site (www.iec.ch/catlg-e.htm) enables
you to search by a variety of criteria including text searches, technical
committees and date of publication. On-line information is also available on
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This summary of recently issued publications (www.iec.ch/JP.htm) is also
available by email. Please contact the Customer Service Centre (see below) for
further information.
• Customer Service Centre
If you have any questions regarding this publication or need further assistance,
please contact the Customer Service Centre:
Email: custserv@iec.ch
Tel: +41 22 919 02 11
Fax: +41 22 919 03 00
INTERNATIONAL IEC
STANDARD
61156-5-2
First edition
2002-05
Multicore and symmetrical pair/quad cables
for digital communications –
Part 5-2:
Symmetrical pair/quad cables with transmission
characteristics up to 600 MHz –
Horizontal floor wiring – Capability approval –
Sectional specification
Câbles multiconducteurs à paires symétriques et quartes
pour transmissions numériques –
Partie 5-2:
Câbles à paires symétriques et quartes avec caractéristiques
de transmission allant jusqu'à 600 MHz –
Câble capillaire – Agrément de savoir-faire
Spécification intermédiaire
 IEC 2002  Copyright - all rights reserved
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 the publisher.
International Electrotechnical Commission, 3, rue de Varembé, PO Box 131, CH-1211 Geneva 20, Switzerland
Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: inmail@iec.ch  Web: www.iec.ch
PRICE CODE
Commission Electrotechnique Internationale
H
International Electrotechnical Commission
Международная Электротехническая Комиссия
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– 2 – 61156-5-2  IEC:2002(E)
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
MULTICORE AND SYMMETRICAL PAIR/QUAD CABLES
FOR DIGITAL COMMUNICATIONS –
Part 5-2: Symmetrical pair/quad cables
with transmission characteristics up to 600 MHz –
Horizontal floor wiring – Capability Approval –
Sectional specification
FOREWORD
1) The IEC (International Electrotechnical Commission) is a worldwide organization for standardization comprising all
national electrotechnical committees (IEC National Committees). The object of the IEC is to promote international
co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in
addition to other activities, the IEC publishes International Standards. Their preparation is entrusted to technical
committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work.
International, governmental and non-governmental organizations liaising with the IEC also participate in this
preparation. The IEC collaborates closely with the International Organization for Standardization (ISO) in accordance
with conditions determined by agreement between the two organizations.
2) The formal decisions or agreements of the IEC 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
National Committees.
3) The documents produced have the form of recommendations for international use and are published in the form of
standards, technical specifications, technical reports or guides and they are accepted by the National Committees
in that sense.
4) In order to promote international unification, IEC National Committees undertake to apply IEC International Standards
transparently to the maximum extent possible in their national and regional standards. Any divergence between the
IEC Standard and the corresponding national or regional standard shall be clearly indicated in the latter.
5) The IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with one of its standards.
6) Attention is drawn to the possibility that some of the elements of this International Standard may be the subject of
patent rights. The IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 61156-5-2 has been prepared by subcommittee 46C: Wires and
symmetric cables, of IEC technical committee 46: Cables, wires, waveguides, RF connectors and
accessories for communication and signalling.
The text of this standard is based on the following documents:
FDIS Report on voting
46C/506/FDIS 46C/521/RVD
Full information on the voting for the approval of this standard can be found in the report on voting
indicated in the above table.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
The committee has decided that the contents of this publication will remain unchanged until 2006.
At this date, the publication will be
• reconfirmed;
• withdrawn;
• replaced by a revised edition, or
• amended.
61156-5-2  IEC:2002(E) – 3 –
MULTICORE AND SYMMETRICAL PAIR/QUAD CABLES
FOR DIGITAL COMMUNICATIONS –
Part 5-2: Symmetrical pair/quad cables
with transmission characteristics up to 600 MHz –
Horizontal floor wiring – Capability Approval –
Sectional specification
1 General
1.1 Scope
This part of IEC 61156 applies to Capability Approval requirements for cables for digital
communications in horizontal floor wiring in accordance with generic specification IEC 61156-1-1
and Clause 4 of the sectional specification IEC 61156-5.
Clause 2 refers to the content of the Capability Manual.
Clause 3 refers to the Quality Plans.
Clause 4 is related to the maintenance of the Capability Approval.
NOTE Quality assessment belongs to the negotiation between customers and manufacturers. The following clauses
are intended to be a guide when there is a request for a t
...

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