METHOD FOR DATA COMMUNICATION IN OPTICAL NETWORK SYSTEM, OPTICAL LINE TERMINAL, AND OPTICAL NETWORK SYSTEM
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United States of America Patent
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app pub date -
Jun 9, 2014
filing date -
Dec 9, 2011
priority date (Note) -
Abandoned
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Abstract
The present invention provides a method: sending a downlink message to an optical network terminal through a first port of an optical line terminal; receiving, from a second port of the optical line terminal, an uplink message returned by the optical network terminal; obtaining a second time of receiving the uplink message, and obtaining a first time when the uplink message reaches the first port; according to the first time and the second time, obtaining an equalized delay from the second port to the optical network terminal; and after the optical line terminal is switched from the first port to the second port, delivering, by the optical line terminal, the equalized delay from the second port, and performing data communication with the optical network terminal through the second port. In the present invention processing time is decreased to a maximum extent, and stability of the system is improved.
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