Method for switching master/slave timing in a 1000Base-T link without traffic disruption
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United States of America Patent
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Jul 28, 2020
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N/A
app pub date -
Dec 12, 2016
filing date -
Jan 12, 2010
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Abstract
A method switches master/slave timing in a communication network without traffic disruption. The method includes a master device informing a slave of timing loss. The master device additionally begins transmitting with timing from a local reference clock and begins receive timing recovery. The slave freezes its receive timing recovery and locks its transmit clock. The master device transitions its transmit timing to use the recovered receive clock. The slave gradually switches to transmitting using its local clock signal. The method may be used in synchronous Ethernet networks.
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