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Abstract

An optical connection between optical fibres of two optical cables includes a cassette in which is mounted a preformed component having a housing and discrete optical conductors which are so disposed in the housing that opposite end parts of each of the conductors, each of which end parts is formed of a length of optical fibre, protrude from the housing at an acute angle to one another lying in the range 0.degree. to 90.degree. and that at least a part of an optical signal entering any one of the discrete optical conductors along one of its protruding lengths of optical fibre will pass along a discrete optical path and the part of the optical signal will leave the optical conductor along another of its protruding lengths of optical fibre. Optical fibres of the the two optical cables protrude into the cassette, the optical fibres of one optical cable being spliced to protruding lengths of optical fibre of discrete optical conductors of the preformed component and the optical fibres of the other optical cable being spliced to other protruding lengths of optical fibre of the discrete optical conductors. The optical fibre splices are mechanically protected and are detachably mounted in the cassette at positions spaced from the preformed component so that, when required, the distance between the protected optical fibre splices and the preformed component can be reduced.

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First Claim