对余杭电力通信网中SDH网络的升级与改造

随着电网发展步伐的日益加快，县级供电企业面临着如何在现有电力通信网络的基础上，进行科学、经济、实效的网络升级和改造。文章以余杭电力通信SDH网络的升级改造为例，依次讨论了改造前网络结构、改造中的方案和实施手段，以及改造后期的进一步优化等问题。通过此次对SDH通信网的升级和改造，无论是在SDH网络的结构、性能，还是网络的安全保护等方面，都提高了一个档次，有了一个质的飞跃。

Upgrade and reconstruct of Yuhang electric power communication SDH network

Along with the quick development of electric power communication network, the county power supply corporation is confronted with a series of problems. The process of how a town level electric power enterprise changes its communication network to satisfy the new requirements on electric power communication networks is discussed in this paper, which is based on the upgrade and reconstruction on its old networks. Used the upgrade and reconstruction of Yuhang Electric power SDH communication network as an example, the network structure before upgrade, the upgrade scheme, the practice method and modified scheme are discussed orderly in this paper. Through this upgrade and reconstruct, SDH network configuration capability and security protection are improved on a new level.