Submarine communications cable 海底电缆

（重定向自Submarine telephone cable）

A cross section of the shore-end of a modern submarine communications cable.
1 – Polyethylene
2 – Mylar tape
3 – Stranded steel wires
4 – Aluminium water barrier
5 – Polycarbonate
6 – Copper or aluminium tube
7 – Petroleum jelly
8 – Optical fibers

Submarine cables are laid using special cable layer ships, such as the modern René Descartes, operated by Orange Marine.

A telegraph stamp of the British & Irish Magnetic Telegraph Co. Limited (c. 1862).

Eastern Telegraph Company network in 1901. Dotted lines across the Pacific indicate then-planned cables laid in 1902-03.

A submarine communications cable is a cable laid on the sea bed between land-based stations to carry telecommunication signals across stretches of ocean. The first submarine communications cables, laid in the 1850s, carried telegraphy traffic. Subsequent generations of cables carried telephone traffic, then data communications traffic. Modern cables use optical fiber technology to carry digital data, which includes telephone, Internet and private data traffic.

单词	Submarine telephone cable
释义	Submarine telephone cable 英语百科 Submarine communications cable 海底电缆（重定向自Submarine telephone cable） A submarine communications cable is a cable laid on the sea bed between land-based stations to carry telecommunication signals across stretches of ocean. The first submarine communications cables, laid in the 1850s, carried telegraphy traffic. Subsequent generations of cables carried telephone traffic, then data communications traffic. Modern cables use optical fiber technology to carry digital data, which includes telephone, Internet and private data traffic.
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