论文首先介绍二期改造系统设计方案，包括系统的选型、计算机网络的连接和硬件的配置。
Firstly, the thesis finished the design of the second stage of technical improvement scheme, including selection of control system, connection of network and hardware configuration.
介绍了千兆教育城域网的方案设计、拓扑结构和设备选型，并给出中心节点和主节点网络互连的路由详细配置。
The paper gives design, network topology and network equipment selection of science and technology MAN, and gives detailed configuration of Internet route of center node and main node.
同时还可将经过试验路段修正过的优化方案添加到设备选型数据库中去，对自动配置系统进行补充和修正。
In addition, optimized schemes corrected by a test road can be added into equipment selection database to supplement and modify the automatic formation system.
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