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长期以来,铁路的地区通信均以纵横制为主。虽然已经进行了大量的改造,但仍有部分旧设备在运用。现对其出现的铃流串音问题进行分析。1 故障现象地区内的铁路通信传输线路,一般以电缆地埋的形式为主。在通话时,可听到线路里有铃流的串音干扰,尤其是会议电话和调度回线,因其受信
For a long time, the railway’s regional communications are based on vertical and horizontal system. Although a lot of transformation has been carried out, some old equipment is still in operation. Now it is the bell ring analysis of crosstalk. 1 fault phenomenon Railway communication transmission lines within the region, generally buried in the form of cable-based. During a call, you can hear the crosstalk of the ringing current in the line, especially the conference call and dispatch loop, because they are trusted