A.WO-RE B.BL-RE C.SP-UP D.SP-RE
A.WO-EX B.WO-RE C.BL-EX
A.RNC的硬件支持热插拔 B.换硬件前,先要把单元状态改成SE-NH C.硬件换好后,需要对单元进行诊断 D.对新换的硬件要检查告警,确认运行正常