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文章介绍了用一根信号线将发送节点和接收节点连接起来，通过硬件中断来同步两个节点的时钟，使用8254可编程计数器进行计时，计时精度达lPS；使用IPX协议接口来传输数据，在不同负载下以不同间隔传输不同大小数据包时，测试了100Base－T快速以太网的传输延迟的大小，并对测试结果进行了分析。
This paper describes the use of a signal line to send nodes and receiving nodes connected by hardware interrupts to synchronize the clock of two nodes, using 8254 programmable counter timing, timing accuracy of lPS; use IPX protocol interface to transmit data in the The transmission delay of 100Base-T Fast Ethernet was tested when different sizes of data packets were transmitted at different intervals under different loads. The test results were analyzed.