Pulse or digital communications – Repeaters
Patent
1993-06-24
1996-10-15
Coles, Sr., Edward L.
Pulse or digital communications
Repeaters
370 75, 370 97, H03H 730, H04J 110, H04B 336
Patent
active
055662030
ABSTRACT:
A physical layer (PHY) device which can operate as a conventional PHY or as an intelligent repeater in a communication system. The PHY device supports four optional modes which may be enabled by programming control register bits with a microcontroller. These optional modes are: pass all symbols, enable noise filter, pass violation symbols and pass line states. During operation as an intelligent repeater, the pass all symbols, pass violation symbols and pass line states modes are enabled. The intelligent repeater allows errors in a data stream to be encoded and repeated without filtering to a downstream station. The intelligent repeater also allows line states to be repeated without station management software. A single intelligent repeater may be used to couple two stations or multiple intelligent repeaters may be connected to form multi-port repeater boxes which can be connected to facilitate more reliable connections between stations.
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Brief David C.
DeJager Gregory L.
Hamstra James R.
Coles Sr. Edward L.
Hoffman E. Eric
National Semiconductor Corp.
Nguyen Madeleine Au
Shenker Michael
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