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|1. (WO2018082463) DATA SENDING AND RECEIVING METHOD AND DEVICE, ONU, AND OLT|
|Title:||DATA SENDING AND RECEIVING METHOD AND DEVICE, ONU, AND OLT|
The embodiments of the present invention provide a data sending and receiving method and device, OLT, and ONU, said data sending method comprising: an ONU fragments to-be-sent data needing to be sent on a plurality of channels to which said ONU is bound to obtain a plurality of fragmented data; according to the OLT being an uplink bandwidth allocated on the plurality of channels, the ONU distributes the plurality of fragmented data to the plurality of channels; said uplink bandwidth is a bandwidth allocated to each of the plurality of channels by the OLT according to the total amount of data of the data to be sent by the ONU; by means of the plurality of channels, the ONU sends the plurality of fragmented data to the OLT.