fiber to feeder 中文意思是什麼
fiber to feeder
解釋
光纖到支路-
In pon, the transmission of downlink signal from olt to onu is not complex. usually, the information destined for onus are combined into a multiframe at olt via tdm before reaching the feeder fiber, and then broadcast to each onu via the passive optical demultiplexor. upon receiving the downlink multiframe signal, each onu takes out the part of information for itself only
在無源光網路中, olt到onu的下行信號的傳輸過程較為簡單,一般在olt將需要發送到各onu的信息採用時分復用的方式組成復幀送到饋線光纖,通過無源光分路器以廣播的方式發送到每一個onu , onu收到下行復幀信號後分別取出屬于自己的那一部分信息。
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