The protection switching in SDH networks is, in general, implemented using DXC and ADM equipment. Three methods, i.e. manual configuration, previously provisioned routing table and dynamic route calculation, are used for selecting the protection routes.是什么意思_The protection switching in SDH networks is, in general, implemented using DXC and ADM equipment. Three methods, i.e. manual configuration, previously provisioned routing table and dynamic route calculation, are used for selecting the protection routes.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句