ATM multiplex transmission system having test equipment

摘要

An ATM multiplex transmission system including an ATM adaptation layer (AAL) processing unit, an ATM cross connection processing unit having a switch and FIFO memories connected to the incoming and outgoing sides, and dummy load cell generating units which forcibly write dummy load cells in the incoming FIFO memories or outgoing FIFO memories, the writing of the dummy load cells being used to execute a load test on the FIFO memories.