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国内首条满配置2．5G干线投入商用t由烽火通信科技股份有限公司承建的贵阳--兴义干线传输工程，日前通过中国电信验收。这标志着国内首次满配置32×2．5GDWDM系统工程正式投入商用。贵阳--兴义DWDM工程为中国电信一级干线工程，全长347公里，采用二芯G．652光纤。工程途经贵阳?
The first domestic full-configuration 2.5G trunk line was put into commercial use. The Guiyang-Xingyi Main Line Transmission Project constructed by Fiberhome Communications Technology Co., Ltd. was recently accepted by China Telecom. This marks the first commercial deployment of a 32×2.5 GDWDM system project in China for the first time. Guiyang-Xingyi DWDM Engineering is China Telecom’s first-class trunk line project. It has a total length of 347 kilometers and uses two-core G. 652 fiber. Project via Guiyang?