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|1. (WO2018099270) PASSIVE OPTICAL NETWORK SYSTEM AND IMPLEMENTATION METHOD THEREOF|
|Title:||PASSIVE OPTICAL NETWORK SYSTEM AND IMPLEMENTATION METHOD THEREOF|
The invention discloses a passive optical network (PON) system and an implementation method thereof. A first transmission channel and a second transmission channel are provided between an optical line terminal (OLT) and an optical network unit (ONU) in the PON system. The method comprises: the OLT transmits data over the first transmission channel; the OLT transmits, over an uplink channel of the second transmission channel, all of uplink management information; or the OLT transmits, over the uplink channel of the second transmission channel, a part of the uplink management information, and transmits, over an uplink channel of the first transmission channel, the remaining uplink management information other than the part of the uplink management information transmitted over the uplink channel of the second transmission channel.