随着铁路运输自动化程度的不断提高,网络设备、计算机服务器及其他通信设备的机房成为数据交换与存储的重要场所,需要特别的措施加以防护。同时,铁路部门众多、地点分散,现场环境复杂,成为日常维护工作的主要障碍。为保证计算机系统和通信设备的安全、稳定、可靠运行,就必须有 With the continuous improvement of railway automation, computer rooms of network equipment, computer servers and other communications equipment become important places for data exchange and storage and require special measures to be taken for protection. At the same time, there are many railway departments with scattered locations and complex site environments, which have become the major obstacle to routine maintenance. To ensure the security, stability and reliability of computer systems and communication equipment, it must be available