解决跨数调主系统的数字闭塞电话问题

Solution of Digital Block Telephone Between Inter-station Digital Dispatching Systems

数字调度系统站间闭塞电话是通过数调系统的数字闭塞电话和模拟闭塞电话互为备份来确保安全的,但是数调主系统间只能通过电缆连接构成模拟闭塞电话回路,通话质量较差且没有保护,严重影响站间行车通信安全。为此,对模拟闭塞电话通道进行改造,达到与数字闭塞电话同样的效果,确保铁路站间行车通信安全。

The telephone for inter-station block of digital dispatching system ensures the safety through mutual backup of digital block and analog block of the digital dispatching system.However,digital block can be obtained only through the cable connection between the main systems of two stations＇ digital dispatching system with poor communication quality and lack of protection,seriously affecting communication safety for train operation between stations.Thus,it is suggested that the channel of analog block be renovated to achieve the same effects as digital block so as to ensure communication safety for train operation between stations.