The Coral Sea Cable System (CS2) is a 4,700km long fibre optic submarine cable system linking Sydney, Australia, to Port Moresby, Papua New Guinea and Honiara, Solomon Islands. The state-owned wholesale operator says fibre infrastructure remains the main channel through which internet. Very full cable tank I5. 5m deep) containing CS2 cable on board the Ile de Brehat (Vocus). Better internet in Papua New Guinea is one step closer with installation of the new Coral Sea Cable system commencing today. This network facilitates both domestic and international connectivity. Islands to the major East Coast Internet Hub in Sydney, Australia.