TAT-7
Encyclopedia
TAT-7 was AT&T
's 7th transatlantic telephone cable
,
in operation from 1978 to 1994, initially carrying 4,000 telephone circuits (simultaneous calls) between New Jersey
and England.
Despite the fact that optical fiber
had been invented in 1970, this cable was still using coaxial cable
technology.
AT&T
AT&T Inc. is an American multinational telecommunications corporation headquartered in Whitacre Tower, Dallas, Texas, United States. It is the largest provider of mobile telephony and fixed telephony in the United States, and is also a provider of broadband and subscription television services...
's 7th transatlantic telephone cable
Transatlantic telephone cable
A transatlantic telecommunications cable is a submarine communications cable running under the Atlantic Ocean. All modern cables use fibre optic technology....
,
in operation from 1978 to 1994, initially carrying 4,000 telephone circuits (simultaneous calls) between New Jersey
New Jersey
New Jersey is a state in the Northeastern and Middle Atlantic regions of the United States. , its population was 8,791,894. It is bordered on the north and east by the state of New York, on the southeast and south by the Atlantic Ocean, on the west by Pennsylvania and on the southwest by Delaware...
and England.
Despite the fact that optical fiber
Optical fiber
An optical fiber is a flexible, transparent fiber made of a pure glass not much wider than a human hair. It functions as a waveguide, or "light pipe", to transmit light between the two ends of the fiber. The field of applied science and engineering concerned with the design and application of...
had been invented in 1970, this cable was still using coaxial cable
Coaxial cable
Coaxial cable, or coax, has an inner conductor surrounded by a flexible, tubular insulating layer, surrounded by a tubular conducting shield. The term coaxial comes from the inner conductor and the outer shield sharing the same geometric axis...
technology.