Bandwidth allocation device and bandwidth allocation method
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United States of America Patent
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Jan 12, 2016
Grant Date -
Oct 2, 2014
app pub date -
Dec 18, 2012
filing date -
Dec 21, 2011
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Abstract
An OLT controller makes each optical transceiver transmit a search signal at a prescribed time so that the search signals reach all ONU connection ends of an optical transmission path. In the case where an ONU connected to the ONU connection end of the optical transmission path is unregistered, when the ONU controller receives the search signal, the ONU controller tunes a wavelength of an optical transmitter of the ONU to a wavelength corresponding to the search signal and makes the optical transmitter transmit a response signal to an OLT.
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