Workshops hans detlef-leppert

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Dr. Hans-Detlef Leppert

Chairman CLC / TC 86A

Chairman IEC / SB 4 ACT

European Standardization Organisation ….. ESO

Fibre Optic Access to End-Users A Guideline to Building of FTTX Fibre Optic Networks

CLC/TR 50510 October 2007

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…. chance or obstacle …

…. for the

deployment of

FTTH networks ?

Standardization and FTTH ?


Page 3 Dr. HD R Leppert, 08.02.2011

Agenda

Standardization in Europe …. ESO

Standardization process

CENELEC structure

CLC / TC 86 A - Optical fibres and optical fibre cables

Scope

Targets of the TC work in the FTTH topic

Overview on the existing CENELEC Guideline

Structure

Examples

Timescale

Conclusions


European Standardization bodies

European Committee for Standardization

deals with all sectors except the electrotechnology

and telecommunication sector

European Committee for Electrotechnical

Standardization

deals with standards in the electrotechnical field

European Telecommunication Standards

Institute

covers the telecommunication field and some

aspects of broadcasting.


CENELEC members

Cenelec members and affiliates


direct …… Dresden Agreement

Standardization process

…. for European Standard ( EN )

Key stages of standardization process ( EN )

Proposal or request for standarization work

Technical Specification ( TS )

Technical Report ( TR )

Workshop Agreement ( CWA )

NWI New Work Item Proposal

prEN Committee Draft of an preliminary EN

final draft prEN … Committee draft on vote

EN Publication of EN after Ratification

Cooperation with IEC

Indirect .... participation of CENELEC members


European Standards

International / IEC

European / CENELEC

National / DKE

5666 CENELEC Standards

( EN / HD ) are valid

….. of which

http://www.iec.ch/index.htm


Technical work

Technical Committees (TC )

and their

Subcommittees ( SC )

Tasks Force ( TF )

Working Groups ( WG )

about 300 being active.

CLC / TC 218 ‘Qualification of electrical installation contractors,’

CLC / TC 1 ‘Criteria for conformity assessment bodies’


Technical work

CLC / TC 86 A

Optical fibres and optical fibre cables

IEC/SC 86A: fibres and cables

Scope To prepare and maintain specifications for optical fibres and

optical fibre cables, excluding image transmission types.

http://www.iec.ch/index.htm


FTTH - guideline

CLC / TC 86A work supporting

FTTH infrastructure deployment

TC86A WG 4 - FTTH

FTTH – guideline for infrastructure as Technical Report (TR)

Complete list of all standards involved

Target: guideline, list of standards, standards on one DVD

TR ( FTTH-guideline ) part of international co-operation (IEC)

… from the standardization point of view …


FTTx - guideline

Fibre Optic Access to End-Users

A Guideline to Building of FTTX Fibre Optic Networks CLC/TR 50510

October 2007

CONTENT

1 Introduction

2 Network Structure and Nodes - a guideline

3 System solutions for FTTX

4 Network design

5 Planning and installation - general advices and instructions

6 Measurements, documentation and operation

7 Quality

8 References

9 Abbreviations

NOTE: The ad hoc WG of CENELEC / TC86 A has prepared this guideline,

starting from a Swedish one created by SEK TK 215


FTTx - guideline

Contents

…..

Executive summary 6

1 Network Structure and Nodes – A guideline 8

1.1 Introduction 8

1.2 Levels 9

1.3 Network topology – Terminology 10

1.4 Node topology – Terminology 13

1.5 Examples of FTTX topologies 15

1.6 Access network 18

2 Passive network solutions 20

2.1 Choice of fibre type – Single-mode/multimode 20

2.2 Number of fibres for each end-user 22

2.3 Connectors in the FTTX-network 23

2.4 Fibre splicing 25

2.5 Link dimensioning 25

2.6 Calculation of an optical budget 25

2.7 Fibre optic cabling 26


FTTx - guideline

National network

Regional network

Municipality connecting network

Metropolitan or urban network

Access network

Figure 2 – The new infrastructure is based upon both

old and new network hierarchy


FTTx - guideline

Figure 8 – A comprehensive picture over a community network

The access network is here defined as FTTX


Ring deployment

FTTH - topologies

Point-to-Point deployment

PON deployment

48…60 SM Fibre Mini Ring

48…60 SM Fibre Mini Ring

48…60 SM Fibre Mini

Ring

100 / 200 SM Fibre Ring

48…144 fibres Trunk Cable

(Long distance)

PoP

PoP

PoP

32…44 (SM+MM) Fibre

Distribution Cable

2…24 MM Fibre Drop

Cable

Distribution Node

Mini PoP


FTTx - guideline

Contents

…….

2 Passive network solutions 20

………

2.8 Pulling, burying and blowing 28

2.9 Dimensions for microducts and multi ducts 29

2.10 Hybrid cables and ducts for blowing 30

2.11 Installation of FTTX 31

2.12 Right of Way (RoW) solution 31

2.13 Fibres for blowing 34

2.14 Microduct optical fibre cables for blowing 34

2.15 Cables for blowing 35

2.16 Pre-connectorised fibre 35

2.17 Optical splitters 35

2.18 Closures 36

2.19 Access and jointing chambers 38

2.20 Optical Distribution Frame (ODF) 38

2.21 Design of a room for an access node 39

2.22 Power feeding an access node 41

2.23 Earthing in an access node 41


FTTx - guideline

Figure 15 – Spectral attenuation curve for G.652B, C and D fibres

with water peak at 1 383 nm O-, E-, S-, C-, and L-bands

are defined in ITU-T

Spectral Attenuation Single Mode Fibre

0,00

0,10

0,20

0,30

0,40

0,50

0,60

0,70

0,80

1200 1300 1400 1500 1600 1700

Wavelength [nm]

Att

en

ua

tio

n

[dB

/km

]

G.652B

G.652C&D

O-band E-band S C L


FTTx - guideline

Adaptor Connector

Alignment sleeve

Ferrule

Cable

Figure 16 – Functional elements of a fibre optic connection

(two connectors aligned in the sleeve inside the adaptor)

SC

(ferrule diameter 2,5 mm)

LC

(ferrule diameter 1,25 mm)


FTTx - guideline

Figure 24 – Examples of RoW

Screwed-on flange

with cable entry port

Closure and spare

cable length in

branching point

Shut off valve or

rubber bubble seal

By-pass and customer

access point o.f. cable

Figure 26 – Laying procedure pipeline section

in a simplified sketch


FTTx - guideline

Contents …..

3 Network design 42

3.1 Areas with block(s) of flats (multi-tenants buildings) 42

3.2 Areas with detached and terraced houses 43

3.3 Sparsely built-up areas 44

3.4 Summary of network design 44

4 Planning and installation – General advice and instructions 45

4.1 Planning 45

4.2 Installation – General advice 47

4.3 Installation in node areas 48

4.4 Work with digging, installation of ducts and pulling of cables 48

and microduct optical fibre cables

4.5 Handing over finished installation, inspection 57

4.6 Safety, risks and risk elimination 57

5 Measurements, documentation and operation 59

5.1 Measurements 59

5.2 Labels and marking 59

5.3 Final documentation 60

5.4 Operation and maintenance 63


FTTx - guideline

Level of

influence

Service

and maintenance

Design

and planning Installation

Costs Influence

100 % 100 %

0 % 0 %

Time

Total

cost

Figure 42 – Curves illustrating influence and costs in a FTTX-project


FTTx - guideline

Figure 50 – Marking of fibre

installation

Outlet

Plinth or panel

Rack

Distribution point

Figure 51 – Example of documentation for an FTTX - in-

stallation with a principle sketch of wiring

AA 01 01 16


FTTx - guideline

Contents …..

6 Quality 63

7 Glossary 64

References 66

Annex A List of standards 67

Annex B Ducts and microducts 73

Annex C Block of flats 75

Annex D Areas with private detached or terraced houses 82

Annex E Aerial installation of FTTX 88


List of standards

Annex A

List of standards

Fibres & cables Generic & Product Specification Measurements Generic cabling

Optical fibre cables for access networks

Generic cabling systems

Product Specification

Optical fibre

Optical fibre cables for access networks / generic cabling systems

Measurements

Fire performance

Connectors & other passive components Generic & Product Specification Measurements Generic & Product Specification

Optical fibre connectors

Measurements


List of standards


Timetable

Introduction of Swedish FTTx handbook October 2004 Frankfurt

Decision on FFTH handbook 12.05.2005 Milano

First Draft as working document March 2006 Brussels

including first technical comments

Second Draft for Comments August 2006

Publication of the CLC/TR 50510 October 2007

NWIP on the maintenance / updating of TR 50510 October 2009 Brussels

- Peter Elisson / Sweden Convenor of CLC/TC 86 A WG4 December 2010 Frankfurt

- Kick-off meeting for maintenace work by CLC/TC 86A WG4 March, 31 2011 Brussels

……

……

Publication of updated CLC/TR 50510 April 2012 (?)


Conclusions

Standardization is driven by the industry

gives future proof and reliability

is giving more confidence to all involved

and ….

and last but not least ….

helps to safeguard investments

suppliers

customers

end-users

…. this we want to ensure with the FTTH guideline …..


Conclusions

Major work and achievements

What is intended to be done?

Opportunity for

supporting the deployment of new broadband access networks

supporting the marketing activities of the industry represented

by the FTTH Councils ( US, Europe, Asia Pacific)

completing the standards involved and needed

use this for marketing (see below)

Marketing of / for the standards and standardization bodies

themselves, and here especially the IEC, CENELEC and ITU

? One DVD with the complete list of standards for the major FTTH

topologies together with the standards involved

offered and sold by the IEC and its national committees

representing good marketing for the IEC.


…. is a chance and supports …

…. the

deployment of

FTTH networks !!!

Standardization and FTTH



Thank you !

Questions ?

Documents

Workshops hans detlef-leppert