1 Scope
This document is a revision of CLC/TR 50510 Ed2 published in 2012. At the time that Ed2 was published, no comprehensive document
on fibre access networks was available, and few FTTX networks had been deployed. Since then, massive deployments have occurred in most
European countries, even if a lot more remains to be rolled out, and guides are now
available from organizations such as FTTH council Europe.
This new edition of CLC/TR 50510 takes lessons from the experience gained all along those deployments and, and refers
to existing documents where relevant. It addresses the impacts of the new generation
of communication systems on the access networks and components. More specifically,
it provides guidelines towards the IEC and CLC standards relating to the access networks and their technologies.
Like the first and second edition, this one addresses FTTX networks in general and includes:
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FTTC = Fibre to the Curb, meaning to the street (to a cabinet);
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FTTB = Fibre to the Building, normally into the basement;
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FTTH/P = Fibre to the Home/Premise, meaning to a building in a residential area.
It is as well of relevance for:
This document is subdivided into five main clauses:
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Network Structure and Nodes: introduces the telecommunications infrastructures and provides an overview of the
basic structure for the FTTX network
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FTTX Communication System: introduces the next generation communication systems that will be run on the FTTX networks
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FTTX passive network products and system solutions: describes system implementations for FTTX including requirements on products and installation techniques
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Network design: provides guidance on how to create a network and gives an overview of applicable
network topologies.
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Planning: provides basic information in relation to various installation practises and the
planning relevant to those practises
Valuable information is also available in the annexes.