铁通黑龙江分公司通信业务网保护方案

利用省干传输网对铁路接入网实施复用段保护,对长途电话网、互联网骨干网和铁路业务网的保护,提高了各业务网的安全性和可靠性。

Provincial backbone transmission network was utilized to implement railway access network multiple segment protection for long distance telephone network, Internet backbone and railway operation network, enhancing the security and reliability of those networks.