铁路行车公寓叫班员，被司乘人员亲切地称为“活闹钟”，春运开始后，随着临客车次增加，叫班员需要熟练掌握列车运行时刻表，并及时将叫班信息准确录入叫班系统，保证司乘人员安全正点出乘。
遇到停电、叫班设备故障，他们就会联系楼层服务员进行人工叫班，为叫班安全拴上“双保险”。
记者：李爱斌
报道员：易前炎、唐娜、张登科
新华社音视频部制作
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