Columbus II

COLUMBUS II is an optical, repeatered, transatlantic telephone cable. It is approximately 12102 km in length. It entered into commercial service in 1994. The system, along with the Americas cable, was the first to use the Erbium-doped fiber amplifier (EDFA) as its optical amplifier repeaters. In 2009, the transatlantic section was retired, and as of 2023, only the Columbus-II-B section remains in use and has been upgraded.

It is in 3 segments has landing points in: 1. Cancún, Mexico 2. West Palm Beach, Florida, United States 2. West Palm Beach, Florida, United States 3. Magens Bay, St. Thomas, U.S. Virgin Islands 3. Magens Bay, St. Thomas, U.S. Virgin Islands 4. Funchal, Madeira, Portugal 5. Sardina, Gran Canaria, Spain 6. Palermo, Sicily, Italy
 * Columbus II - A (1121 km) - 560 MB/s
 * Columbus II - B (2068 km) - 2500 MB/s
 * Columbus II - C (9116 km) - 560 MB/s