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河南省交通通信信息网络系统是以省交通厅为中心,通过运营商的SDH网络平台互联构成星型结构,连接河南省18个省辖市交通局和5个单列市(县)交通局。省交通通信信息网络系统广域网和财务专网通过运营商的SDH网络平台互联,构成星型结构,网络结构简单,方便管理和扩展。整个网络采用SDH专线连
Henan Province traffic information network system is based on the Provincial Department of Communications as the center, through the operator’s SDH network platform connected to form a star structure, connecting 18 provincial cities in Henan Province Transportation Bureau and five cities (cities) separately. Provincial traffic and communication information network system WAN and financial private network through the operator’s SDH network platform interconnection, constitute a star structure, the network structure is simple, easy to manage and expand. The entire network using SDH green even