Hybrid communication cables - Part 3-10: Outdoor hybrid cables - Family specification for FTTA hybrid communication cables

IEC 62807-3-10:2023 is a family specification for FTTA (Fibre-To-The-Antenna) outdoor hybrid communication cables. It specifies the design and construction, rated values and characteristics, requirements and test methods, packaging and quality assurance, etc. The FTTA hybrid communication cables are typically but not only installed between the Base Band Unit (BBU) and Remote Radio Unit (RRU; or often called RRH – Remote Radio Head or AAU – Active Antenna Unit), and other scenario that supply electric current to optical communication equipment.

General Information

Status
Published
Publication Date
21-Feb-2023
Current Stage
PPUB - Publication issued
Start Date
24-Mar-2023
Completion Date
22-Feb-2023
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IEC 62807-3-10:2023 - Hybrid communication cables - Part 3-10: Outdoor hybrid cables - Family specification for FTTA hybrid communication cables Released:2/22/2023
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IEC 62807-3-10 ®
Edition 1.0 2023-02
INTERNATIONAL
STANDARD
Hybrid communication cables –
Part 3-10: Outdoor hybrid cables – Family specification for FTTA hybrid
communication cables
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IEC 62807-3-10 ®
Edition 1.0 2023-02
INTERNATIONAL
STANDARD
Hybrid communication cables –
Part 3-10: Outdoor hybrid cables – Family specification for FTTA hybrid

communication cables
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 33.120.20 ISBN 978-2-8322-6526-0

– 2 – IEC 62807-3-10:2023 © IEC 2023
CONTENTS
FOREWORD . 4
1 Scope . 6
2 Normative references . 6
3 Terms, definitions, symbols and abbreviated terms . 7
4 Design and construction . 8
4.1 General . 8
4.2 Optical fibre elements . 8
4.3 Current carrying elements . 8
4.4 Strength member . 9
4.5 Filler . 9
4.6 Yarn . 9
4.7 Tape . 9
4.8 Ripcord . 9
4.9 Screen and/or shield . 9
4.10 Moisture barrier . 10
4.11 Inner sheath . 10
4.12 Armouring . 10
4.13 Outer sheath . 10
4.14 Sheath marking . 10
5 Rated values and characteristics . 10
5.1 Minimum bending radius for installation . 10
5.2 Temperature range . 10
5.3 Rated voltages . 10
6 Requirements and test methods . 11
6.1 General . 11
6.2 Construction and length inspection . 11
6.2.1 Construction . 11
6.2.2 Cable length and marking accuracy . 11
6.3 Optical transmission requirements for cabled optical fibre . 11
6.4 Electrical requirements . 12
6.4.1 Conductor DC resistance . 12
6.4.2 Withstand voltage of dielectric . 12
6.4.3 Insulation resistance of current carrying elements . 13
6.5 Mechanical requirements . 13
6.5.1 General . 13
6.5.2 Tensile performance . 14
6.5.3 Crush . 15
6.5.4 Impact . 15
6.5.5 Repeated bending . 15
6.5.6 Torsion . 16
6.5.7 Bend . 16
6.5.8 Abrasion resistance of cable markings . 17
6.6 Environmental requirements . 17
6.6.1 Temperature cycling . 17
6.6.2 UV resistance . 17
7 Packaging . 17

8 Quality assurance . 17
Annex A (informative) MICE classification system and its use in this specification . 19
A.1 MICE classification system . 19
A.2 MICE classification and its application in this specification . 19
Annex B (informative) Some example structures of FTTA hybrid cables . 25
Annex C (informative) Blank detail specification and minimum requirements for FTTA
hybrid communication cables . 29
Annex D (informative) Conductor in hybrid cable . 32
D.1 Conductor type . 32
D.2 Insulation material . 32
Annex E (informative) Example of how to calculate the coverage factor formulae of
shield or screen . 33
E.1 Braiding . 33
E.2 Braid angle, β . 33
E.3 Lay factor, K . 33
L
E.4 Filling factor, q . 34
E.5 Coverage factor, K . 34
c
Bibliography . 35

Figure B.1 – Hybrid cable with two optical fibre elements, two current carrying
elements and metal shield (2F + 2 × 0,5 mm ) . 25
Figure B.2 – Hybrid cable with flexible metal tube armouring (2F + 2 × 1 mm ) . 25
Figure B.3 – Hybrid cable with three elements (2F + 2 × 0,5 mm ) . 25
Figure B.4 – Combinational hybrid cable (6 × (2F + 2 × 0,5 mm )) . 26
Figure B.5 – Hybrid cable with metal tape armouring (I) (2 × 2F + 4 × 1 mm ) . 26
Figure B.6 – Hybrid cable with metal tape armouring (II) (2 × 2F + 2 × 2 × 0,5 mm ) . 26
Figure B.7 – Hybrid cable with 2 current carrying elements and 1 optical fibre element . 27
Figure B.8 – Hybrid cable with 8 electrical elements and 6 optical fibre elements . 27
Figure B.9 – Hybrid cable with 16 electrical elements and 2 optical fibre elements . 27
2 2
Figure B.10 – Hybrid cable with shielding (1 × 24F + 12 × conductor 6 mm or 16 mm ) . 27
Figure B.11 – Hybrid cable with 8 electrical elements and 1 optical fibre cable . 28

Table 1 – Optical transmission requirements for cabled optical fibre elements . 12
Table 2 – Test voltages for different rated voltages . 13
Table A.1 – Installed cable environments . 19
Table A.2 – Details of environmental classification and its application in this
specification. 20
Table A.3 – Resistance to solar radiation . 22
Table A.4 – Liquid pollution . 23
Table A.5 – Gaseous pollution resistance . 23
Table A.6 – Gaseous pollution resistance . 24
Table C.1 – Blank detail specification . 29
Table D.1 – The type and code of insulation material and the maximum temperature of
conductor and short circuit temperature . 32
Table E.1 – Braiding formulae variables . 33

– 4 – IEC 62807-3-10:2023 © IEC 2023
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HYBRID COMMUNICATION CABLES –
Part 3-10: Outdoor hybrid cables –
Family specification for FTTA hybrid communication cables

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of 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, IEC publishes International Standards, Technical Specifications, Technical Reports,
Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their
preparation is entrusted
...

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