Pulse or digital communications – Repeaters – Testing
Patent
1989-08-16
1991-01-08
Olms, Douglas W.
Pulse or digital communications
Repeaters
Testing
375107, 371 1, H04K 110
Patent
active
049842510
ABSTRACT:
A method and apparatus for synchronizing the cascaded, multi-channel transmission of a plurality of data characters is provided. Each sequence of data characters preceded by a start delimiter. Each transmission channel provides transmitted data frames to an associated elasticity buffer. As each channel detects a start delimiter, it asserts a begin-request signal that acknowledges detection of the start delimiter. When all channels have detected a start delimiter, a read-start signal is asserted to simultaneously advance the read pointer of each elasticity buffer. In this manner, each elasticity buffer initiates a sunchronized read for local use or retransmission of the multi-channel data.
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Hamstra James R.
Li Gabriel M.
Perloff Ronald S.
Yeung Louise Y. Y.
Chin Stephen
National Semiconductor Corporation
Olms Douglas W.
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