本刊讯 9月8日,青海联通连接省际业务的一干电路实现了成环保护。伴随着西部大开发步伐的加快,青海省的基础设施建设遍布全省。由于建设等原因,使青海联通的一干光缆线路常发生中断,从而造成出省电路阻塞,严重影响了网络质量和长途业务。鉴于以上情况,青海联通与上海缆信达成协 On September 8, Qinghai Unicom connected the inter-provincial business of a dry circuit to achieve a ring of protection. With the acceleration of the development of the western region, infrastructure construction in Qinghai Province has spread all over the province. Due to construction and other reasons, a dry cable line in Qinghai Unicom often interrupts, resulting in congestion in the provincial circuit, seriously affecting the network quality and long-distance business. In view of the above, Qinghai Unicom and Shanghai Cable reached a letter