| 摘要 |
<p>PURPOSE:To enable data terminal equipment to be connected to another data line terminating device in tandem by comprising a data communication system of the data terminal equipment and a data line terminating device incorporating a bit buffer being operated synchronizing with a clock from the data terminal equipment positioned at an intermediate part. CONSTITUTION:The data line terminating device 1, after absorbing the jitter of a transmission clock ST1 from the data terminal equipment 2 by a built-in bit buffer, sends it to a data line. The data line terminating device 4 sends the clock RT extracted from reception data to the data terminating device 5 as the clock ST1 of a data terminal. The data terminating device 5, after absorbing the jitter of the clock ST1 of the data terminal by the built-in bit buffer, sends it to an opposite data line terminating device 3. Meanwhile, as for a data flow from the data terminal equipment 6 to the data terminal equipment 2, data is sent to the data line terminating device 5 synchronizing with a clock ST2 extracted from the reception data that is equivalent to the reception clock RT.</p> |
