FANUC FOCAS has two types: FOCAS 1 and FOCAS 2.
FOCAS 2 is Ethernet and high-speed serial based and must be purchased from GE FANUC.
CNC Controls with FANUC FOCAS include series Oi, 15, 15i, 16, 16i, 18, 18i, 21, 21i, 30i, 31i, 32i and power mate i.