Jump to content

Columbus II

From Wikipedia, the free encyclopedia

This is an old revision of this page, as edited by Citation bot (talk | contribs) at 21:57, 9 November 2020 (Alter: url. URLs might have been internationalized/anonymized. | You can use this bot yourself. Report bugs here. | Suggested by AManWithNoPlan | All pages linked from cached copy of User:AManWithNoPlan/sandbox2 | via #UCB_webform_linked 297/3786). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

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.[1] The system, along with the Americas cable, was the first to use the Erbium-doped fiber amplifier (EDFA) as its optical amplifier repeaters.[2]

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

See also

References

  1. ^ Juggerst, Patrick (July 1995). "AT&T's Undersea Fiber-Optic Cable Systems". Sea Technology. 36 (7). Arlington, VA: Compass Publications, Inc.: 29–30, 32–34.
  2. ^ Repeatered Fiber Optic Submarine Systems. IGI Consulting (Report). Boston, MA: IGI Consulting, Inc. 1998. p. 27. Retrieved 14 June 2020.


Stub icon

This article related to telecommunications is a stub. You can help Wikipedia by expanding it.

Retrieved from "https://en.wikipedia.org/w/index.php?title=Columbus_II&oldid=987897784"