The root cause of this deviation is that the power cord between the cabinet and the wall socket in the weak electricity room is too short and spans between the cabinet and the wall. When IT staff Ma Zhenxu maintained the network in the weak electricity room of FDFQC floor, he accidentally stepped on the power cord between the cabinet and the wall socket, and the cabinet in the weak electricity room of the floor was cut off, which caused the restart of the network switch on the floor to be interrupted, resulting in the disconnection of the sequences running on different instruments connected with the industrial network and the office network at the same time. There are two reasons: negligence of personnel and short power cord of equipment.
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