Columbus II
Transatlantic commincations cable
COLUMBUS II is an optical, repeatered, transatlantic telephone cable. It is approximately 12,102 km (7,520 mi; 6,535 nmi) 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:
- Columbus II - A (1121 km) - 560 MB/s
1. Cancún, Mexico
2. West Palm Beach, Florida, United States
- Columbus II - B (2068 km) - 2500 MB/s
2. West Palm Beach, Florida, United States
3. Magens Bay, St. Thomas, U.S. Virgin Islands
- Columbus II - C (9116 km) - 560 MB/s
3. Magens Bay, St. Thomas, U.S. Virgin Islands
4. Funchal, Madeira, Portugal
5. Sardina, Gran Canaria, Spain
6. Palermo, Sicily, Italy
Sources and credits
This article is adapted from the Wikipedia article “Columbus II”, written by its contributors and licensed under CC BY-SA 4.0. Fathomly has changed the layout, removed citation markers, navigation and maintenance notices, and adjusted punctuation. This adapted version is shared under the same license. For references, see the original article.
Images, from Wikimedia Commons:
- COLUMBUS-II-route.png by J.P.Lon (talk) (Uploads), CC BY-SA 3.0
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