CommPort is the data transmission channel between PC and the outside serial equipment.
串口是常用的计算机与外部串行设备之间的数据传输通道。
The data are loaded through simulating serial data transmission by I/O interface.
热敏打印头采用I/O口模拟串行数据传输实现数据加载。
The use of computer data transmission, the commonly used is the serial communication.
计算机进行数据传输时，常用的是串行通信方式。
On serial communication, function of real time transmission of failure instruction-code, for example, was realized;
串口通信上，实现了故障指令代码的实时发送等功能；
On serial communication, function of real time transmission of failure instruction-code, for example, was realized;
串口通信上，实现了故障指令代码的实时发送等功能；
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