BAS EN 29519:2011

IEC 62077:2010 applies to circulators used in the field of fibre optics bearing all of the following features: - they are non-reciprocal optical devices, in which each port is either an optical fibre or fibre optic connector; - they are passive devices in accordance with the categorization and definition provided in IEC 62538; and - they have three or more ports for directionally transmitting optical power. The changes with respect to the previous edition are: - having substantially increased the number of terms; - having added an informative annex for example of filtering technologies; - having deleted quality assessment procedures.