The Southern Cross Cable is a trans-Pacific network of telecommunications cables commissioned in 2000. The network is operated by the Bermuda-registered company Southern Cross Cables Limited. The network has 28,900 km of submarine and 1,600 km of terrestrial fiber optic cables, all which operate in a triple-ring configuration. Initially, each cable had a bandwidth capacity of 120 gigabit/s. In April 2008 this capacity was doubled, and was once again upgraded to 860 gigabit/s at the end of 2008. Southern Cross upgraded the existing system to 1.2 Tbit/s in May 2010. After successful trials of 40G technology the first 400G of a planned 800G upgrade has been completed in February 2012, and the remaining 400G was completed in December 2012. An additional 400G was deployed utilizing 100G coheren