IEC 61156-4:1995/AMD1:1999
(Amendment)Amendment 1 - Multicore and symmetrical pair/quad cables for digital communications - Part 4: Riser cables - Sectional specification
Amendment 1 - Multicore and symmetrical pair/quad cables for digital communications - Part 4: Riser cables - Sectional specification
Amendement 1 - Câbles multiconducteurs à paires symétriques et quartes pour transmissions numériques - Partie 4: Câblage vertical - Spécification intermédiaire
General Information
- Status
- Published
- Publication Date
- 21-Dec-1999
- Technical Committee
- SC 46C - Wires and symmetric cables
- Drafting Committee
- WG 7 - TC 46/SC 46C/WG 7
- Current Stage
- DELPUB - Deleted Publication
- Start Date
- 29-Apr-2003
- Completion Date
- 13-Feb-2026
Relations
- Effective Date
- 05-Sep-2023
- Effective Date
- 05-Sep-2023
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Frequently Asked Questions
IEC 61156-4:1995/AMD1:1999 is a standard published by the International Electrotechnical Commission (IEC). Its full title is "Amendment 1 - Multicore and symmetrical pair/quad cables for digital communications - Part 4: Riser cables - Sectional specification". This standard covers: Amendment 1 - Multicore and symmetrical pair/quad cables for digital communications - Part 4: Riser cables - Sectional specification
Amendment 1 - Multicore and symmetrical pair/quad cables for digital communications - Part 4: Riser cables - Sectional specification
IEC 61156-4:1995/AMD1:1999 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 61156-4:1995/AMD1:1999 has the following relationships with other standards: It is inter standard links to IEC 61156-4:1995, IEC 61156-4:2003. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
IEC 61156-4:1995/AMD1:1999 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)
NORME CEI
INTERNATIONALE IEC
61156-4
INTERNATIONAL
STANDARD
AMENDEMENT 1
AMENDMENT 1
1999-12
Amendement 1
Câbles multiconducteurs à paires symétriques
et quartes pour transmissions numériques –
Partie 4:
Câblage vertical – Spécification intermédiaire
Amendment 1
Multicore and symmetrical pair/quad cables
for digital communications –
Part 4:
Riser cables – Sectional specification
IEC 1999 Droits de reproduction réservés Copyright - all rights reserved
International Electrotechnical Commission 3, rue de Varembé Geneva, Switzerland
Telefax: +41 22 919 0300 e-mail: inmail@iec.ch IEC web site http://www.iec.ch
CODE PRIX
Commission Electrotechnique Internationale
C
PRICE CODE
International Electrotechnical Commission
Pour prix, voir catalogue en vigueur
For price, see current catalogue
– 2 – 61156-4 amend. 1 CEI:1999
AVANT-PROPOS
Le présent amendement a été établi par le sous-comité 46C: Câbles symétriques et fils, du comité
d'études 46 de la CEI: Câbles, fils, guides d'ondes, connecteurs, et accessoires pour communications
et signalisation.
Le texte de cet amendement est issu des documents suivants:
FDIS Rapport de vote
46C/393/FDIS 46C/399/RVD
Le rapport de vote indiqué dans le tableau ci-dessus donne toute information sur le vote ayant abouti à
l'approbation de cet amendement.
___________
Page 18
Remplacer les paragraphes 3.3.4 et 3.3.5 existants par les nouveaux paragraphes suivants:
3.3.4 Paradiaphonie (NEXT)
Les pertes de couplage paradiaphonique (NEXT) entre des combinaisons quelconques de paires sont
mesurées dans la gamme de fréquence entre 1 MHz et la fréquence maximale pour la catégorie
spécifiée.
La somme des affaiblissements de paradiaphonie, telle que définie en 2.1.10 de la CEI 61156-1, doit
être égale ou supérieure aux valeurs ci-dessous (dB / 100 m).
Paradiaphonie
Fréquence
dB / 100 m
MHz
Catégorie 3 Catégorie 4 Catégorie 5
1 415662
4 324753
10 26 41 47
16 23 38 44
20 Non applicable 36 42
31,25 Non applicable Non applicable 40
62,5 Non applicable Non applicable 35
100 Non applicable Non applicable 32
61156-4 Amend. 1 IEC:1999 – 3 –
FOREWORD
This amendment has been prepared by subcommittee 46C: Wires and symmetric cables, of
IEC technical committee 46: Cables, wires, waveguides, r.f. connectors and accessories for
communication and signalling.
The text of this amendment is based on the following documents:
FDIS Report on voting
46C/393/FDIS 46C/399/RVD
Full information on the voting for the approval of this amendment can be found in the report on
voting indicated in the above table.
___________
Page 19
Replace the existing subclauses 3.3.4 and 3.3.5 by the following new subclauses:
3.3.4 Near-end crosstalk (NEXT)
The NEXT coupling loss between any pair combination is measured in the range from 1 MHz to
the highest referenced frequency for the cable category specified.
The
...




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