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[单选题]
USN9810的OMU(Operation&MaintenanceUnit)单板作为操作维护处理单元,负责系统操作维护,一般固定插在哪些槽位()
A.0,2
B.0,1
C.1,3
D.7,8
查看答案
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A.0,2
B.0,1
C.1,3
D.7,8
According to Richard,what was the concept of health before the 1940s?
A.Mechanical operation of the body.
B.Absence of disease or illness.
C.Physical, mental and social well-being.
D.Clean water, improved sanitation and housing.
A.光波长转换单元(OTU)
B.光/电监控信道(OSC/ESC)
C.光放大器(BA/LA/PA)
D.波分复用器:分波/合波器(ODU/OMU)
A.通过网管软件进行SRM41单板芯片复位操作,业务中断后自动恢复
B.通过网管软件复位OSC单板,不影响业务,但监控通道会中断
C.硬件复位NCP单板面板的复位孔,不影响业务,但监控通道会中断
D.通过网管软件硬件复位OMU单板,不影响业务,但该单板监控会中断
A.测试值比实际数值高
B.不确定,有随机性
C.测试值比实际数值低
D.测试值与实际数值基本一致