Measurement and control of nuclear instruments in particular environment is not suitable for on - site direct operation. In addition, monitor of nuclear instruments should be multi - point binding and continuous monitoring. With those characteristics, the solution for remote control and nuclear instruments networking by multi - channel serial communication interface under ARM - Linux is proposed. On the basis of practical application, mode of hardware connection for multi -channel serial interface is analyzed. Moreover, the paper also describes in detail serial port initialization and multi - port serial programming. Finally experiments prove that multi - channel serial communication can improve data transmission rate of nuclear instruments , but also a-chieve remote monitor and centralized management of nuclear instruments networking.%针对核仪器在很多特殊场合其测量与控制不宜现场直接操作,或监控应实现多点绑定连续监测等特点,提出了在嵌入式ARM - Linux系统平台上利用多通道串行通信接口来解决核仪器联网并实现远程控制的设计方案.在实际应用基础上对多通道串行接口的硬件连接进行了分析,详细叙述了在ARM - Linux2.4.18操作系统中串口的初始化和多串口编程技术与技巧.实践并验证了多通道串口通信方式既可实现在核仪器测控中传输速率稳定可靠,又可方便实现核仪器联网远程监控和集中管理.
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