Optical ATM self-routing switching system with reduced routing h

Details Optical ATM self-routing switching system with reduced routing h Optical ATM self-routing switching system with reduced routing h

1994-12-27

1996-04-09

Pascal, Leslie

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359117, 370 601, 370 681, H04J 1408

Patent

active

055067140

ABSTRACT:
In an optical ATM switching system, an optical ATM cell is produced in response to an incoming ATM cell so that it contains an optical routing bit in a timeslot corresponding to the destination of the cell. A first switching stage is provided for routing the cell from one of its inlets to one of its outlets in accordance with the routing bit contained in the cell and generating a routing signal indicative of the position of the outlet to which the cell is routed. A second switching stage is connected to the outlets of the first switching stage for routing the cell to one of optical buffers in response to the routing signal from the first switching stage. Optical combiners are provided, each corresponding to a group of the optical buffers for combining outputs of the corresponding group of optical combiners.

REFERENCES:
patent: 5166926 (1992-11-01), Cisneros
patent: 5202885 (1993-04-01), Schrodi
patent: 5229991 (1993-07-01), Turner

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