| 摘要 |
<p>An ATM communication monitor for monitoring using a monitoring timer, wherein in order to enhance the precision of the operating time of the monitoring timer and to lower the cost of the hardware, a connection ID generating unit generates a connection ID, and an OAM cell generating unit queues the connection information about an OAM cell corresponding to the connection ID and to be generated in predetermined cycles determined by counting fundamental period signals and generates the OAM; or a counter counts the fundamental period signals, and the OAM cell generating unit queues the connection information about an OAM cell corresponding to the connection ID in predetermined cycles according to the count value, and generates the OAM cell.</p> |
