In a CTCS-2 train control system,the balise is a basic vital device.This article focuses on the configuration and function implementation of active balise in the CTC-2 and points out some aspects of the configuration of active balise to be improved in the CTCS-2 for passenger dedicated line.And some suggestion on the related configuration and the corresponding norm conventions are given from a technical point of view.%在CTCS-2级列控系统中,应答器是重要的安全基础设备。重点阐述有源应答器在CTCS-2级列控中的配置以及实现的功能,同时指出客运专线CTCS-2级列控中有源应答器的配置有待完善的地方,从技术角度提出对相关配置和对应规范约定的建议。
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