CLC/TR 50510:2021

SLOVENSKI STANDARD
01-december-2021
Nadomešča:
SIST-TP CLC/TR 50510:2013
Dostop prek optičnih vlaken do končnega uporabnika - Napotki za gradnjo
optičnega omrežja FTTX
Fibre optic access to end-user - A guideline to building of FTTX fibre optic network
Lichtwellenleiterzugang zum Endkunden - Leitfaden für die Erstellung von FTTx-
Lichtwellenleiternetzen
Accès à lutilisateur par fibres optiques - Lignes directrices relatives à la construction dun
réseau en fibres optiques de type FttX
Ta slovenski standard je istoveten z: CLC/TR 50510:2021
ICS:
33.180.99 Druga oprema za optična Other fibre optic equipment
vlakna
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

TECHNICAL REPORT CLC/TR 50510

RAPPORT TECHNIQUE
TECHNISCHER BERICHT
October 2021
ICS 33.180.99 Supersedes CLC/TR 50510:2012
English Version
Fibre optic access to end-user - A guideline to building of FTTX
fibre optic network
Accès à l'utilisateur par fibres optiques - Lignes directrices Lichtwellenleiterzugang zum Endkunden - Leitfaden für die
relatives à la construction d'un réseau en fibres optiques de Erstellung von FTTx-Lichtwellenleiternetzen
type FttX
This Technical Report was approved by CENELEC on 2021-08-09.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2021 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.

Ref. No. CLC/TR 50510:2021 E
Contents Page
European foreword . 8
1 Scope . 9
2 Normative references . 9
3 Terms, definitions and abbreviations . 9
3.1 Terms and definitions . 9
3.2 Abbreviations . 10
4 Network structure and nodes . 13
4.1 General . 13
4.2 Access network . 13
5 FTTX communication system . 14
5.1 General . 14
5.2 PON technologies . 14
5.3 Optical budget classes and PON technologies . 15
5.4 Introduction of new PON technologies . 16
6 FTTX passive network products and system solutions . 17
6.1 General . 17
6.2 Optical fibres . 17
6.2.1 General . 17
6.2.2 Choice of optical fibre type . 18
6.2.3 Number of optical fibres provided to each end-user . 19
6.3 Cables and ducts. 19
6.3.1 General . 19
6.3.2 Construction specifications for fibre optical cables . 20
6.3.3 Cable constructions for various installation methods . 22
6.3.4 Hybrid cables . 30
6.3.5 Drop cables . 31
6.4 Connectivity products and solutions. 33
6.4.1 Connectors in the FTTX-network . 33
6.4.2 Optical fibre splicing . 35
6.4.3 Pre-connectorised fibre . 36
6.5 Optical splitters . 36
6.5.1 General . 36
6.5.2 Functional performance attributes . 36
6.6 Fibre organizers and closures . 36
6.6.1 Closures . 36
6.6.2 Optical Distribution Frame (ODF) . 37
6.7 System design . 38
6.7.1 Link dimensioning . 38
6.7.2 Calculation of an optical power budget . 39
7 Network design . 40
7.1 Overview . 40
7.2 Cabling implementation . 40
7.2.1 Optical fibre cabling . 40
7.2.2 Pulling, burying and blowing . 41
7.2.3 Trenching . 42
7.2.4 Right of Way (RoW) solution . 44
7.2.5 Access and jointing chambers . 48
7.3 Areas with Multi-Dwelling Units (MDUs) . 48
7.4 Areas with detached houses . 50
7.5 Rural areas . 51
7.6 General considerations when designing a network . 52
8 Planning. 52
8.1 General . 52
8.1.1 Outline planning . 52
8.1.2 Development of outline plans . 53
8.1.3 Detailed planning . 54
8.2 Installation – General advice . 55
8.2.1 Drilling . 55
8.2.2 Lift shaft . 55
8.2.3 Messages to residents . 55
8.2.4 Insurance and compensation for damage . 55
8.2.5 Certificate . 55
8.3 Installation in access nodes . 55
8.3.1 Access node . 55
8.3.2 Area for splice cabinet – Optical fibre concentration point (FCP) . 56
8.3.3 In a flat, a house or similar area (user node – subscriber node) . 57
9 Quality . 57
Annex A (Informative) List of standards . 58
Annex B (Informative) Examples of fibre optic cables – designs vs. application . 72
B.1 Direct buried fibre optic cables . 72
B.2 Fibre optic duct cables . 73
B.3 Fibre optic microduct cables . 75
B.4 All Dielectric Self Supporting aerial fibre optic cables . 75
B.5 Aerial fibre optic figure-8 cables . 76
B.6 OPGW aerial fibre optic cables . 77
B.7 Indoor extractable/pull back cable . 78
B.8 Indoor/outdoor drop cables . 79
Annex C (Informative) Examples of ducts and micro-ducts . 80
Annex D (Informative) Example of GPON access network in multi dwelling units (MDUs) with

pre-connectorised solution . 82
Annex E (Informative) Installation . 84
E.1 Introduction . 84
E.2 Underground work . 84
E.3 Aerial installation . 91
E.4 Indoor installation . 93
E.5 Commission and acceptance of completed networks . 93
E.6 Safety, risks and risk elimination .
...