Apparatus for line-concentrating and distributing PPP frame data
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United States of America Patent
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Issued Date -
Oct 3, 2002
app pub date -
Apr 3, 2001
filing date -
Apr 3, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An apparatus transmits bit-synchronized PPP frame data between N numbers of subhighways (SHWs), embodied in an access switch subsystem of a switch, and a message switch module (MSM), embodied in an Internet gateway unit implemented for switching between Internet and the switch. The apparatus comprises a line-concentrating unit for extracting and storing valid bit-synchronized PPP frame data based on the bit-synchronized PPP frame data provided thereto on time slot basis, sequentially reading out the stored valid bit-synchronized PPP frame data to thereby produce line-concentrated PPP frame data to the MSM, and a distributing unit for extracting valid PPP frame data from the line-concentrated PPP frame data, sequentially storing the extracted valid PPP frame data, concurrently reading out the stored valid PPP frame data on time slot basis and transferring the read-out valid PPP frame data through a corresponding time slot of a pertinent SHW.
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