交换网络的操作与维护系统──ＸＭ（续）二、网络的工程设计和管理使用ＴＭＯＳ／ＸＭ获得的经验清楚地表明，把相关的信息分配到不同级别操作机构的重要性。同样重要的是把工作站接到ＴＭＯＳ系统以便检索并处理这些信息。从网络单元（ＮＥ）－级的操作者到高级的管理层... Operation and Maintenance Systems for Switching Networks ──XM (continued) II. Engineering Design and Management of Networks The experience gained using TMOS / XM clearly shows the importance of assigning relevant information to different levels of operating agencies. It is also important to have a workstation connected to the TMOS system to retrieve and process this information. From Network Element (NE) - level operator to senior management ...