2021DS/IEC TR 62000:2021 Guidelines for combining different single-mode fibre sub-categories
2011DS/IEC/TR 62000:2011 Guidance for combining different single-mode fibres types
DS/IEC TR 62000:2021 Guidelines for combining different single-mode fibre sub-categories was changed to DS/IEC/TR 62000:2011 Guidance for combining different single-mode fibres types.