甘肃省一级干线光缆传输设备-24V电源改造工程割接方案及实施

The Remodelling Project of-24V Power Supply of the Arterial Fiber-opticTransmission System in Gansu and Its Cut-over Scheme and Implement

介绍了北京—呼和浩特—银川—兰州(简称京呼银兰), 西安—兰州—乌鲁木齐(简称西兰乌)甘肃省一级干线光缆传输设备-24V改-48V电源。电源不中断负载工程割接方案的比较。施工前的准备工作,具体割接步骤和注意事项。

This article describes the power supply change-over from -24v to -48v of the arterial fiber-optic transmission system in Gansu, compares the cut-over schemes with uninterrupted power supply, introduces the preparative works before the remodelling, the specific working steps and notices.