Cyprus-Israel Optical System (CIOS) is a submarine telecommunications cable system[1] in the Mediterranean Sea linking Cyprus and Israel.
CIOS has landing points in Ayia Napa (Greek: Αγία Νάπα), Cyprus and Nahariya (Hebrew: נַהֲרִיָּה), Israel].
It has a design transmission capacity of 622 Mbit/s and a total cable length of 250 km.[2]
Operations began on 11 April 1994.