DANSK DSF/PREN 61202-1 PDF

<p class="PARAGRAPH"> <span lang="EN-GB">IEC 61202-1:</span><span lang="EN-GB"> 2016(E) applies to isolators used in the field of fibre optics, all exhibiting the following features: – </span><span lang="EN-GB">they are non-reciprocal optical devices, in which each port is either an optical fibre or fibre optic connector; – they are passive </span><span lang="EN-GB">devi</span><span lang="EN-GB">c</span><span lang="EN-GB">es</span><span lang="EN-GB"> containing no opto-electronic or other transducing elements; – they have two optical ports for directionally transmitting optical power. This fourth edition cancels and replaces the third edition published in 2009. It constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: – the terms and definitions were reconsidered; – quality assessment level was deleted from classification; – the clause numbers of Annexes A and B have been rearranged.<o:p></o:p></span> <span lang="EN-GB">Keywords: </span><span lang="EN-GB">isolators used in the field of fibre optics<o:p></o:p></span>