Patent ID: 8837943
Filing Date: 2014-09-16
Classification: H04J

Abstract:
1. A communication system, comprising: a plurality of nodes adapted to provide for a communication with one or more devices; a central node; a passive optical network comprising a multiplexer/demultiplexer device adapted to demultiplex a first optical signal from the central node to the plurality of nodes, and to multiplex second optical signals from one or more of the nodes, each node having allocated a wavelength for generating its optical signal; wherein for directly transmitting signals from one node to at least one of the other nodes, the one node is adapted to generate a third optical signal at a wavelength allocated to the at least one of the other nodes; and wherein the multiplexer/demultiplexer device of the passive optical network is adapted to combine the third optical signal from the one node with the first optical signal, wherein the multiplexer/demultiplexer device comprises: