2005年内蒙古集通铁路扩能改造信号工程采用多信息移频站内电码化。其中带有到发线中间出岔的站场有15个,在调试过程中发现有掉码现象,造成机车错误停车,影响行车安全。1问题提出到发线出岔站内电码化发码电路的发码顺序为发送盒、防雷组合、CJ接点、受电隔离器、分线盘、电缆 In 2005, the signal engineering of Inner Mongolia Jitong Railway Expansion and Renovation Project adopted the multi-information frequency shift station codec. Among them, there are 15 stations in the middle of the departure line, which are found in the debugging process, which results in the wrong parking of the locomotive and the traffic safety. 1 issue to send a line out of the station code yard code sent to send the code sequence for the transmitter box, lightning protection combinations, CJ contacts, power isolators, sub-plate, cable