Columbus III

COLUMBUS III is a 9900 km transatlantic telecommunications cable. It has 90 repeaters. In service since 1999, it is owned by over 30 carriers. It transfers 20 Gbit/s on each of the 2 fibre pairs.

It has landing points in:

References

ICPC Cable database

Transatlantic communications cables

TAT series	TAT-1 2 3 4 5 6 7 8 9 10 11 12/13 14 CANTAT-1 2 3 PTAT-1

Private non-TAT	Gemini Apollo AC-1 Yellow/AC-2 FLAG Atlantic VSNL Transatlantic Hibernia Atlantic

Other	SAT-2 SAT-3/WASC/SAFE Atlantis-2 Columbus III Eulalink

Telecommunications

History	Beacon Broadcasting Communications satellite Computer network Drums Electrical telegraph Fax Heliographs Hydraulic telegraph Internet Mass media Mobile phone Optical telecommunication Optical telegraphy Photophone Prepaid mobile phone Radio Radiotelephone Satellite communications Smoke signals Telecommunications history Telegraphy Telephone The Telephone Cases Television Timeline of communication technology Undersea telegraph line Videoconferencing Videophone Videotelephony

Pioneers	Edwin Howard Armstrong John Logie Baird Alexander Graham Bell Tim Berners-Lee Jagadish Chandra Bose Vint Cerf Claude Chappe Lee de Forest Philo Farnsworth Reginald Fessenden Elisha Gray Innocenzo Manzetti Guglielmo Marconi Antonio Meucci Alexander Stepanovich Popov Johann Philipp Reis Nikola Tesla Camille Papin Tissot Alfred Vail Charles Wheatstone Vladimir K. Zworykin

Transmission media	Coaxial cable Free-space optical Molecules (nanoscale networking) Optical fiber Radio waves Telephone lines Terrestrial microwave

Network topology and switching	Links Nodes Terminal node Network switching (circuit packet) Telephone exchange

Multiplexing	Space-division Frequency-division Time-division Polarization-division Orbital angular-momentum Code-division

Networks	ARPANET BITNET Cellular network Computer Ethernet FidoNet Internet ISDN LAN Mobile NGN Public Switched Telephone Radio Telecommunications equipment Television Telex WAN Wireless World Wide Web

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