OPTICAL COMMUNICATION DEVICE AND OPTICAL COMMUNICATION NETWORK SYSTEM
作者： Kimura Katsuhiko
DOI:
关键词:
摘要: PROBLEM TO BE SOLVED: To shorten clock extraction and synchronization times at the time of wavelength switching.SOLUTION: An OLT is connected with a plurality ONUs 14 via optical fiber uses signals different wavelengths to perform communication in least one direction uplink downlink directions. Each ONU comprises: an transmission/reception unit 50 that receives control signal including information on allocated its by OLT, communicates using basis received signal; 52 detects signal, extracts from data included detected re-extracts method corresponding discontinuous if it necessary re-extract clock; PON transmission processing 48 generates extracted 52.SELECTED DRAWING: Figure 3
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