加速北京光纤数字同步网建设 促进首都信息高速公路发展

Accelerating the Construction of Optical Fiber Digital Synchronous Network and the Development of Information Highway in Beijing

本文首先回顾了北京地区PDH光纤传输网的情况,然后结合信息高速公路的发展,介绍了北京地区光纤数字同步网的建设和目前的设备配置。

Following the revision of the condltions of opticai fibre PDH transmission netowrk in Beijing, the digital SDH network construction and system configuration are described in line with the development of information superhighway.