【多选题】
2500+设备XCS上报PS告警时，可能是发生了如下哪些情况（）___
A. 该网元发生了TPS保护倒换状态。
B. 该网元发生了复用段保护倒换；
C. 该网元发生了XCS主备倒换；
D. 该网元发生了通道保护倒换；
E.
F.
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答案
AB
解析
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B. B
C. C
D. D
