DXC设备及其在我国长途传输网中的应用前景

DXC Equipment and Its Application Prospectsto Long─distance Transmission Network in China

介绍了数字交叉连接（ＤＸＣ）设备的主要组成、设备类型及其主要功能；并结合我国目前长途传输网的现状，论述了在我国长途干线网中配置ＤＸＣ设备的必要性及其配置方案。

It introduces the main components, types and main functions of digital cross connection equipment. Combined with current situation of long─distance transmission network in China, it describes the necessity of configuring long─distance trunk network with DXC equipment and the configuration plan.