1　县级电力信息网现状分析( 1)　目前县级电力通信网现状 :县级电力信息网具有如下特点 :通信站点地域分布散 ;业务类型多 ,主要包括行政 /调度电话、远动信息、计算机数据等 ;单个通信站点业务量小 ;运行环境差 ,面临变电所中电源、磁场干扰、高温等恶劣环境。目前县级通信网 Current situation of county-level power information network (1) Current situation of county-level power communication network: County-level power information network has the following characteristics: geographical distribution of communication sites scattered; business types, including administrative / dispatching telephone, telematics, computer Data, etc .; a single communication site traffic is small; poor operating environment, the face of substation power, magnetic interference, high temperature and other harsh environments. The current county-level communications network