Publication details
| Publication CODE |
Title |
| NBN EN IEC 61280-4-3:2022 (2022-09) |
FIBRE OPTIC COMMUNICATION SUBSYSTEM TEST PROCEDURES - PART 4-3: INSTALLED PASSIVE OPTICAL NETWORKS - ATTENUATION AND OPTICAL RETURN LOSS MEASUREMENTS |
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| Price Excl. VAT |
Total number of pages, tables and drawings |
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16.00 €
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4. |
Description
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.
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| Class |
C
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Available files
ATTENTION: Belgian registered standards (NBN EN or NBN HD) are generally
only available in English or French. Only the cover page is translated
and the document itself is in English or in French.
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Status
| Status |
IEC PUBLICATION |
| Situation |
Currently active
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Origin
| Committee |
CLC/SR 86C
Fibre optic systems and active devices
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Approval
| BEC Approval |
2022-09-02 |
| NBN Approval |
2022-09-21 |
| NBN Status |
New |
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| Date of ratification (d.o.r.) |
2022-09-02 |
| Date of announcement (d.o.a.) |
2022-12-02 |
| Date of publication (d.o.p.) |
2023-06-02 |
| Date of withdrawal former edition (d.o.w.) |
2025-09-02 |
| IEC file modification date |
2022-09-17 |
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