Optical fiber transmission apparatus, in particular for...

Details Optical fiber transmission apparatus, in particular for... Optical fiber transmission apparatus, in particular for...

H - Electricity

04

J

363/1.9

H04J 14/08 (2006.01) H04B 10/16 (2006.01) H04J 3/06 (2006.01) H04J 3/08 (2006.01)

Patent

CA 1289276

A B S T R A C T An optical fiber cable transmission apparatus includes repeater-interchanger modules each of which includes at least one interchange module or pair of drop and insert switches. The module is such that a drop switch and an insert switch are provided between a line input and a line output with the second input of the insert switch coming from a buffer memory. Both switches are controlled by a common synchronizing circuit. A symmetrical arrangement is provided for the other drop and insert switch. Transmission takes place at a high data rate, and the interchange module serves to extract low data rate segments from each frame relating to a first stream and to replace them with same data rate frame segments relating to another stream. This arrangement makes it possible to distribute an "underwater multiplexing" function.

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