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  • BSI
    BS EN IEC 61280-4-3:2022 Fibre optic communication subsystem test procedures - Installed passive optical networks. Attenuation and optical return loss measurements
    Edition: 2022
    $526.05
    / user per year

Description of BS EN IEC 61280-4-3:2022 2022

IEC 61280-4-3: 2022 describes the measurement of attenuation, optical return loss and optical power in installed passive optical networks (PONs) using single-mode fibre. This document specifies two methods for measuring the attenuation before activation of the PON:
  • method A: one-cord method using a light source and a power meter (LSPM);
  • method B: optical time-domain reflectometer (OTDR) method in upstream direction only, with reduction of uncertainties due to the variation of backscatter coefficient.
In addition, method C, which is described in informative Annex C, provides an estimate of the attenuation after partial activation of the PON by using a U band filtered optical time-domain reflectometer (FOTDR) in an upstream direction. This publication contains an attached file titled "Supplemental Data" in the form of an Excel spread sheet. This file is intended to be used as a complement and does not form an integral part of the standard.

Standard NumberBS EN IEC 61280-4-3:2022
TitleFibre optic communication subsystem test procedures - Installed passive optical networks. Attenuation and optical return loss measurements
StatusDefinitive
Publication Date2022-10-31
Identical National Standard OfEN 61280-4-3 Ed.1.0, IEC 61280-4-3 Ed.1.0
DescriptorsFibre optic cables, Fibre optic connectors, Fibre optics, Optical fibres, Testing
ICS33.180 Fibre optic communications, 33.180.01 Fibre optic systems in general
CommitteeGEL/86/3
ISBN978 0 580 51318 3
PublisherBSI
Pages64

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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