A synchronous switch for a telecommunications node includes a switch interface, a switch controller, and a switch memory. The switch interface is operable to terminate a bus and to receive from the bus a frame having a plurality of time slots. The time slots are each operable to transport a traffic cell....http://www.google.com/patents/US6778529?utm_source=gb-gplus-sharePatent US6778529 - Synchronous switch and method for a telecommunications node
