The paper briefed on the situation of safety equipment at level crossings inside stations,expounded the necessity of applying micro computer automatic notification system,put forward basic requirement for the equipment,and demonstrated the feasibility and design essentials of hardware and software,as well as the composition,major functional index and application results.

Compared with common network management software and network management oriented security device, we get conclusion that it is important to design a new network management oriented security device.

Considering the management actualities of the nuclear safety equipment activities in our country,summarizing problems in identifying,classifying and controlling the non-conformance(items) found in the intendance and inspection of nuclear safety equipments activities,consulting some standards such as Safety Series No.