Method and apparatus for interfacing between a twisted pair and an intelligent cell
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United States of America Patent
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Sep 13, 1994
Grant Date -
N/A
app pub date -
Apr 20, 1993
filing date -
Apr 20, 1993
priority date (Note) -
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Abstract
A transceiver module for coupling between cells in a distributed intelligence network and a twisted pair line. The module receives power from the line and provides power to its respective cell. At the end of transmitting a packet, the transceiver transmits a code violation (pulse), then an anti-code violation (pulse of opposite polarity) to dissipate energy in the line. This is followed by clamping the line for the dead time between packets. N transceivers may be connected (without a cell) to form a repeater. The transceiver module may be used in a network having free topology; that is, an ideal transmission line, with terminators is not needed.
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