问题 多项选择题

 完成A接口倒换后,BSC出现2992错误(BTS AND TC UNSYNCHRONIZATION CLEAR CALLS ON A INTERFACE alarm),说明A接口可能存在哪类问题()

A.A interface exist crossconnect circuit

B.inconsistent CCSPCM between BSC and MSC

C.A interface exist loop circuit

D.inconsistent circuit number in circuit group between BSC and MSC

答案

参考答案:B, C

解答题
单项选择题