Carrierless Amplitude/Phase Modulation with 16 constellation points: The modulation technique used in the 51.84 Mb Mid-Range Physical Layer Specification for Category 3 Unshielded Twisted-Pair (UTP-3).
16-CAP
Meaning of 16-CAP in English
ATM Forum English vocabulary. Английский словарь организации Форум ATM. 2012