光缆的英文：
fibre optic cable
optical fiber cable

参考例句：

A fiber optic hub is used to make the connection between leveNT Server and clients.
一个光缆插孔把leveNT服务器与用户相连。

And it controlled all aspects of the robot's movement.
同时,主计算机也通过这根光缆对机器人进行全方位的控制。

During the exploration it was linked to a main computer by a fibre-optic cable that carried video signals.
在整个过程中,机器人通过一根光缆将视频信号传输给主计算机。

Goods that could once be produced only domestically can now be produced abroad and imported over fiber optic cable.
一些原来只可以以家庭式生产的商品现在也可以在外国生产和通过光缆输入。

fibre是什么意思：
n. 纤维；纤维制品

fibre flexure elastometer
纤维屈曲弹性试验仪

A tendon consists of parallel fibres.
腱由平行的纤维组成。

This is a source of dietary fibre.
这是膳食纤维的一种来源。

optic是什么意思：
adj. 眼睛的，视觉的；光学的

Optical brightener(Optical brightness agent): Synonymous with Optical bleaching agent.
光学增光剂:即光学漂白剂。

Optical depth and optical path are often confused in the literature.
文献中光学厚度和光程时常混淆。

A computer that is made of optical fiber and various optical elements
一种利用传递光信号的光纤与各种光学元件相结合而制成的计算机。

cable是什么意思：
n. 缆；索；电缆
v. 缚住

open link cable
开口链环锚链

anchor cable stopper
锚链制动器

clutch control cable
离合器控制电缆