最近几年，上海铁路局在全局范围推广应用北京中铁公司引进的带灯显数控无线平面调车设备，在调车作业中已成为基本的生产工具。该设备的主机部分如机控器、区长台、调车人员的手持无线电台等主要部件都是从国外引进的，其大量采用计算机软、硬件技术、模拟数字电路来完成调车 In recent years, Shanghai Railway Bureau has promoted the use of the Beijing-based railway company in the global scope of the introduction of lighting with CNC wireless plane shunting equipment, shunting operations has become a basic production tool. The main part of the device, such as the machine controller, the district chief, shunting personnel handheld radio and other major components are imported from abroad, a large number of computer software and hardware technology, analog digital circuits to complete shunting