Patent ID: 6031838
Filing Date: 2000-02-29
Classification: H04L,H04Q

Abstract:
A line interface in a switching system for concentrating packet streams from respective ones of a plurality of line interfaces and entering a resulting packet stream into a switch unit, comprising:a first packet address converter for converting a connection identification included in a header of the packet to a packet address having a number of bits smaller than the number of bits of the connection identification;a second packet address converter for converting a packet address included in the header of a packet that enters from the switch side, to a connection identification; anda line accommodating unit for converting a frame signal which has entered from a corresponding incoming line and has a prescribed format to a packet stream, entering this packet stream into said first packet address converter, converting a packet stream which has entered from said second packet address converter to a frame signal having the prescribed format and sending this frame signal to a corresponding outgoing line.