Patent ID: 6671271
Filing Date: 2003-12-30
Classification: H04J,H04L,H04Q,Y10S

Abstract:
A multiported integrated circuit, comprising:a first interface to receive an electrical composite signal representative of an optical signal from a synchronous optical ring; traffic extraction logic to extract synchronous traffic and asynchronous traffic from said received electrical composite signal; a second interface coupled to said extraction logic, for transmission of said extracted synchronous traffic, in combination with path selection control information, from said multiported integrated circuit, wherein said path selection control information is written into at least one overhead byte of said extracted synchronous traffic; a third interface coupled to said extraction logic for transmission of said extracted asynchronous traffic, in combination with said path selection control information within a serial data stream including said extracted asynchronous traffic, from said multiported integrated circuit; overhead extraction logic, coupled to said first interface, for extracting overhead information from said electrical composite signal; and a fourth interface, coupled to said overhead extraction logic, for transmission of at least a portion of said extracted overhead information from said multiported integrated circuit.