1996ETSI ETS 300 672-1996 Transmission and Multiplexing (TM); Relevant Generic Characteristics of Optical Amplifier Devices and Sub-Systems
1995ETSI PRETS 300 672-1995 Transmission and Multiplexing (TM); Relevant Generic Characteristics of Optical Amplifier Devices and Sub-Systems
ETSI PRETS 300 672-1996 Transmission and Multiplexing (TM); Relevant Generic Characteristics of Optical Amplifier Devices and Sub-Systems was changed to ETSI ETS 300 672-1996 Transmission and Multiplexing (TM); Relevant Generic Characteristics of Optical Amplifier Devices and Sub-Systems.