IEC 61196-4:2015
(Main)Coaxial communication cables - Part 4: Sectional specification for radiating cables
Coaxial communication cables - Part 4: Sectional specification for radiating cables
IEC 61196-4:2015(E) applies to radiating coaxial communication cables. These cables are intended for use in wireless communication systems, such as tunnels, railways, highways, subways, elevators and other installations in which conventional antenna transmission is not satisfactory or even impossible. This third edition cancels and replaces the second edition published in 2004. This edition constitutes a technical revision. The main changes with respect to the previous edition are as follows:
- a definition for coupling loss was added,
- Clause 4 "Materials and cable construction" was added,
- rated temperature range, operating frequency and radiating characteristics as standard rating and characteristics were added,
- identification, marking and labeling was added,
- the tables of test procedures were revised,
- quality assessment and packaging was added,
- Annex C, "Coupling loss around circumferential orientation of radiating cable" was added,
- Annex D "Radiating intensity around circumferential orientation of radiating cable" was added.
This publication is to be read in conjunction with IEC 61196-1:2005.
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IEC 61196-4 ®
Edition 3.0 2015-09
INTERNATIONAL
STANDARD
colour
inside
Coaxial communication cables –
Part 4: Sectional specification for radiating cables
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IEC 61196-4 ®
Edition 3.0 2015-09
INTERNATIONAL
STANDARD
colour
inside
Coaxial communication cables –
Part 4: Sectional specification for radiating cables
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 33.120.10 ISBN 978-2-8322-2892-0
– 2 – IEC 61196-4:2015 © IEC 2015
CONTENTS
FOREWORD . 4
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 8
4 Materials and cable construction . 8
4.1 Cable construction . 8
4.2 Inner conductor . 8
4.2.1 Conductor material . 8
4.2.2 Conductor construction . 9
4.3 Dielectric . 9
4.4 Outer conductor . 9
4.5 Sheath . 9
5 Standard rating and characteristics . 10
5.1 Nominal characteristic impedance . 10
5.2 Rated temperature range . 10
5.3 Operating frequency . 10
6 Identification, marking and labeling . 10
6.1 Cable identification . 10
6.2 Cable marking . 10
6.3 Labelling . 10
7 Tests of finished cables . 10
7.1 General . 10
7.2 Electrical testing of the finished cable (see Table 1) . 11
7.3 Environmental testing (see Table 2) . 12
7.4 Mechanical testing (see Table 3) . 13
7.5 Fire performance testing (see Table 4). 14
8 Quality assessment . 14
9 Delivery and storage . 14
Annex A (normative) Attenuation constant . 15
A.1 Procedure . 15
A.1.1 General . 15
A.1.2 Ground-level method . 15
A.1.3 Free-space method . 15
A.2 Measurement (see Figures A.1 and A.2) . 15
A.3 Evaluation . 15
A.4 Requirement . 16
Annex B (normative) Coupling loss (far field) . 17
B.1 Procedure . 17
B.1.1 General . 17
B.1.2 Ground-level method . 17
B.1.3 Free-space method . 17
B.2 Measurement (see Figures B.3 and B.4) . 18
B.3 Evaluation . 18
B.4 Requirement . 19
B.5 Test report . 19
Annex C (informative) Coupling loss around circumferential orientation of radiating
cable. 21
C.1 General . 21
C.2 Definitions. 21
C.2.1 Coupling loss chart around circumferential orientation of radiating cable
(Y-Z) . 21
C.2.2 Out-of roundness of coupling loss chart around circumferential
orientation of radiating cable. 21
C.3 Test method . 21
C.4 Calculation . 22
C.5 Requirements . 22
C.6 Test report . 22
Annex D (under study) Radiating intensity around circumferential orientation of
radiating cable . 24
D.1 General . 24
D.2 Definitions. 24
D.2.1 Radiation intensity chart around circumferential orientation of radiating
cable (Y-Z) . 24
D.2.2 Out-of roundness of radiation intensity chart around circumferential
orientation of radiating cable. 24
D.3 Test method . 25
D.4 Calculation . 25
D.5 Requirements . 26
D.6 Test report . 27
Bibliography . 28
Figure A.1 – Attenuation constant with ground-level method . 16
Figure A.2 – Attenuation constant with free-space method . 16
Figure B.1 – Antenna orientations with ground-level method . 17
Figure B.2 – Antenna orientations with free-space method . 18
Figure B.3 – Coupling loss with ground-level method . 20
Figure B.4 – Coupling loss with free-space method . 20
Figure C.1 – Example of coupling loss chart around circumferential orientation of
radiating cable . 22
Figure D.1 – Example of testing arrangement of radiation intensity chart around
circumferential orientation of radiating cable . 25
Figure D.2 – Example of radiation intensity chart around circumferential orientation of
radiating cable . 26
Table 1 – Electrical testing . 11
Table 2 – Environmental testing . 12
Table 3 – Mechanical testing . 13
Table 4 – Fire performance testing . 14
– 4 – IEC 61196-4:2015 © IEC 2015
INTERNATIONAL ELECTROTECHNICAL COMMISSION
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COAXIAL COMMUNICATION CABLES –
Part 4: Sectional specification for radiating cables
FOREWORD
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