First published as AS/NZS 2211.2:1997.Second edition 2006.Jointly revised and redesignated as AS/NZS IEC 60825.2:2011. Originated as AS/NZS 2211.2:1997. Previous edition AS/NZS 2211.2:2006. Jointly revised and redesignated as AS/NZS IEC 60825.2:2011.