EN 50289-4-9:2001

• Abstract:

  This Part 4-9 of EN 50289 details the method of test to determine the pneumatic resistance used in analogue and digital communication systems. This test only applies to cables which are protected by gas pressurisation. It is to be read in conjunction with Part 4-1 of EN 50289, which contains essential provisions for its application.

• Status: Published
• Publication Date: 08-Oct-2001
• Withdrawal Date: 31-Mar-2004
• ICS: 33.120.10 - Coaxial cables. Waveguides
• Technical Committee: CLC/TC 46X - Communication cables
• Drafting Committee: IEC/TC 46 - IEC_TC_46
• Parallel Committee: IEC/TC 46 - IEC_TC_46
• Current Stage: 9093 - Decision to confirm - Review Enquiry
• Start Date: 08-Apr-2026
• Completion Date: 25-Aug-2026
• Mandate: M/212 - ICT - metallic and optical cables and cabling systems
• Ref Project: SIST EN 50289-4-9:2002 - Communication cables - Specifications for test methods -- Part 4-9: Environmental test methods - Pneumatic resistance

• Referred By: EN 50290-4-1:2014 - Communication cables - Part 4-1: General considerations for the use of cables - Environmental conditions and safety aspects
• Effective Date: 03-Feb-2026

Overview

EN 50289-4-9:2001 specifies a pneumatic resistance test method for communication cables protected by gas pressurisation. Published by CENELEC, this Part 4-9 is part of the EN 50289 series of test specifications and is intended to be read together with EN 50289-4-1 (general environmental test provisions). The standard defines how to measure steady-state airflow through a finished cable sample under a regulated pressure to determine its pneumatic resistance for use in analogue and digital communication systems.

Key topics and requirements

• Scope: Applies only to cables protected by gas pressurisation (coaxial and related communication cables, ICS 33.120.10).
• Equipment: Requires a pressure‑regulated pneumatic supply, calibrated flow‑meter (±10 %), barometer and thermometer.
• Test sample: Finished cable of sufficient length as specified in the detail specification.
• Test conditions:
  • Supply air dryness: 5 % RH or better at 20 °C.
  • Default applied pressure across the cable: 62 kPa ± 2 % (other pressures may be specified by the user).
  • Ambient temperature and barometric pressure must be recorded.
• Procedure highlights:
  • One cable end connected to steady flow of dry regulated air; the other end open to atmosphere.
  • Measure steady‑state flow; repeat with airflow direction reversed and record both results.
  • Only air paths that access the interior of the sheath are used for measurement.
• Calculation and acceptance:
  • Pneumatic resistance is derived from the measured flow and the sample length (flow expressed in m^3/s; length in metres). The detail specification provides the maximum permissible pneumatic resistance for conformance.
• Test report must include: test conditions, test temperature, measured pneumatic resistance and pass/fail result.

Applications and who uses this standard

• Cable manufacturers: to verify gas‑pressurised cable designs meet pneumatic integrity and leakage performance targets.
• Independent test laboratories: to perform standardized pneumatic resistance testing for product certification and quality control.
• Network operators and system integrators: to specify acceptance criteria for pressurised cable networks in analogue and digital communication systems.
• Procurement and QA teams: to include objective pass/fail criteria in contracts and technical specifications.

Related standards

• EN 50289-4-1 (Environmental test methods - General requirements) - essential provisions for applying Part 4-9.
• EN 50290-1-2 (Definitions) - terminology used in the EN 50289 series.

Keywords: EN 50289-4-9:2001, pneumatic resistance test, communication cables, gas pressurisation, pneumatic test method, 62 kPa, flow‑meter, CENELEC.

SLOVENSKI STANDARD
01-september-2002
Communication cables - Specifications for test methods - Part 4-9: Environmental
test methods - Pneumatic resistance
Communication cables - Specifications for test methods -- Part 4-9: Environmental test
methods - Pneumatic resistance
Kommunikationskabel - Spezifikationen für Prüfverfahren -- Teil 4-9:
Umweltprüfverfahren - Pneumatischer Widerstand
Câbles de communication - Spécifications des méthodes d'essai -- Partie 4-9: Méthodes
d'essais d'environnement - Résistance pneumatique
Ta slovenski standard je istoveten z: EN 50289-4-9:2001
ICS:
33.120.10 Koaksialni kabli. Valovodi Coaxial cables. Waveguides
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 50289-4-9
NORME EUROPÉENNE
EUROPÄISCHE NORM October 2001
ICS 33.120.10
English version
Communication cables -
Specifications for test methods
Part 4-9: Environmental test methods -
Pneumatic resistance
Câbles de communication - Kommunikationskabel -
Spécifications des méthodes d'essai Spezifikationen für Prüfverfahren
Partie 4-9: Méthodes d'essais Teil 4-9: Umweltprüfverfahren -
d'environnement - Pneumatischer Widerstand
Résistance pneumatique
This European Standard was approved by CENELEC on 2001-05-01. CENELEC members are bound to
comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on
application to the Central Secretariat or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any
other language made by translation under the responsibility of a CENELEC member into its own
language and notified to the Central Secretariat has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic,
Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands,
Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: rue de Stassart 35, B - 1050 Brussels
© 2001 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 50289-4-9:2001 E
Foreword
This European Standard was prepared by the Technical Committee CENELEC TC 46X,
Communication cables.
The text of the draft was submitted to the formal vote and was approved by CENELEC as
EN 50289-4-9 on 2001-05-01.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2002-04-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2004-04-01
This European Standard has been prepared under the European Mandate M/212 given to
CENELEC by the European Commission and the European Free Trade Association.

- 3 - EN 50289-4-9:2001
Contents
1 Scope. 4
2 Normative references. 4
3 Definitions.
...