| 摘要 |
A networking device includes a plurality of network ports and a clock synchronizer. Each network port is configured to receive a respective signal over a respective physical medium. A selected network port is configured to recover a clock signal from the respective signal received by the selected network port. Each of the network ports is configured to be selectable as the selected network port. The clock synchronizer is configured to generate a transmit clock signal in response to the clock signal recovered by the selected network port. The selected network port is configured to transmit data over the respective physical medium according to a local clock signal generated by a clock signal generator local to the networking device. Each network port other than the selected network port is configured to transmit data over the respective physical medium according to the transmit clock signal generated by the clock synchronizer.
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