| 摘要 |
<p>PURPOSE:To prevent increase of the delay of relaying in each node by relaying a synchronization data relayed to a succeeding node not though a synchronization buffer. CONSTITUTION:A reception data is relayed to a succeeding node equipment via a relay path 54 and a selector 53 in a node equipment and inputted simultaneously to a bufer 51 for independent synchronization. The buffer 51 outputs the reception data according to a network synchronization clock to a synchronization terminal equipment 6. A transmission data from the terminal equipment 6 is inputted to a network synchronization buffer 52, from which the data is outputted according to the independent synchroniation clock, fed to a frame processing section 32 via a selector 53, superimposed on a synchronization data area of an information frame and sent to a succeeding node equipment. Thus, the connection of a synchroniging terminal equipment 6 to the node equipment is attained and jitter caused accompanying the regeneration of the network synchronization clock is absorbed without increasing the delay of relaying.</p> |
