Transparent timing of a stratum synchronized ethernet signal using standard optical transport network rates
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United States of America Patent
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Sep 22, 2015
Grant Date -
Jul 25, 2013
app pub date -
Jan 19, 2012
filing date -
Jan 19, 2012
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Abstract
A method and system for transparent timing of an Ethernet signal over an optical transport network are disclosed. In one embodiment, a transceiver includes a first clock recovery circuit, a first synchronizer and an asynchronous mapper. The first clock recovery circuit recovers a first clock from a first signal received from an Ethernet network. The first synchronizer multiplies the first clock by a ratio M/N to produce a second clock to time a second signal transmitted over the optical transport network. M and N are integers. The asynchronous mapper maps frames of the first signal to produce frames of the second signal.
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