Hivatkozási szám

MSZ EN 60793-2-60:2008

Dokumentumazonosító

146552

Cím

Fényvezető szálak. 2-60. rész: Termékelőírások. C osztályú, belső összekötő, egymódusú szálak termékcsoport-előírása (IEC 60793-2-60:2008)

Angol cím

Optical fibres. Part 2-60: Product specifications. Sectional specification for category C single-mode intraconnection fibres (IEC 60793-2-60:2008)

Alkalmazási terület

This part of IEC 60793 is applicable to optical fibre types C1, C2, C3, C4, as described in Table 1. These fibres are used for the intraconnections within or between components or photonic systems or subsystems. While the fibres are sold in lengths on the scale of kilometres, they are normally cut into short lengths for use in these intraconnections. While the fibres could be overcoated or buffered for the purpose of making protected pigtails, they may be used without overcoating. They may, however, be colour-coded. The general requirements defined in IEC 60793-2 apply to these fibres. Specific requirements that are common to these fibres are found in the body of this text. Particular requirements for individual fibre types or applications are defined in Annexes A, B, C and D, which refer to normative family specifications. These family specifications are distinguished based on optimum transmission wavelengths and nominal Mode Field Diameter (MFD), which affects splice loss. For each family specification, there are two sub-categories that are distinguished on the basis of the cladding diameter and other related attributes. The conventional nominal cladding diameter of 125 µm is augmented with the reduced cladding type product with a nominal diameter of 80 µm. These are distinguished with the suffixes: “_125” or “_80”. For example C1 fibre can be selected as either C1_125 or C1_80. The transmission characteristics of the two cladding diameter choices should be the same. For each family specification except C1, there are two sub-categories that are distinguished on the basis of transmission characteristics that relate to MFD. To denote these subcategories, a "_a" or "_b" suffix is added, for lower or higher MFD. In general, the fibres can be optimised for either splice loss or macro-bend loss using MFD as a main variable. A C2 fibre with 80 µm cladding diameter and lower MFD is designated as C2_80_a. Fibres for the C1_125 family specification can be selected fom category B1.1 or B1.3 singlemode fibres and are suitable for use with any category B single-mode fibre at wavelengths from 1 280 nm to 1 625 nm. Fibres for the C2 and C3 family specifications are optimized at nominal wavelengths of 1 310 nm and 1 550 nm respectively for connection to any category B single-mode fibre. Fibres for the C4 family specification are optimized for transporting optical amplifier pump light at 980 nm or higher. Táblázat

ICS

33.180.10 Szálak és kábelek

Műszaki Bizottság

A szabvány nyelve

angol

Az érvényesség kezdete

2008-12-01

Forrás

idt EN 60793-2-60:2008; idt IEC 60793-2-60:2008

Előd

Utód

Módosítás

SZK-közlemények

Kapcsolódó európai jogszabály

A szabvány

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