US Patent 7092592 Optical cross connect

An optical cross-connect system (30) for interconnecting optical pathways of a horizontal node with each vertical node, the system comprising a three dimensional array of optical pathways in which one end of each optical pathway is presented on a first face (31), and the other end of each optical pathway is presented on a second face (32) such that the first and second faces (31 and 32) present rows and columns of optical pathway groupings, and wherein the horizontal nodes are defined along the rows of the first face (31) and the vertical nodes are defined along the columns of the second face (32).