A synchronization signal is transmitted over the powerline network. 一個同步信號在電力線網路上傳輸。
A set of consecutive digit time slots in which the position of each digit time slot can be identified by reference to a frame alignment signal. 一組連續的數字時間片段,每一數字時間片段在組內的位置可參考幀同步信號來標識。