Telecommunications access systems and equipment
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United States of America Patent
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Jul 30, 2002
Grant Date -
N/A
app pub date -
Nov 14, 1997
filing date -
Nov 20, 1996
priority date (Note) -
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Abstract
A higher data rate signal such as ATM (Asinchronous Transfer Mode) fixed size data packets and lower data rate signals such as ISDN are transmitted along the same link by accommodating the ISDN in unused time slots in the overall frame structure. The cells also contain a fiel containing incremented numbers of modulo-n and, in the reverse direction along the link, frames are transmitted which acknowledge receipt of those sequence numbers. If the next expected number is not received, the sequence transmitted is restarted at the number.
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