The NetNumen U31

system provides the following functions: topology management, alarm management,

performance management, system management, security management, maintenance

management and signaling tracing/failure observation:

• Topology management: manage each NE and displaying the key performance and
• Alarm management: alarm synchronization, alarm and notification message monitoring, alarm rules setting and alarm box management
• Performance management: performance statistics task management, KPI management, QoS monitoring and performance reporting
• System management: system data backup/restoration and link status monitoring
• Security management: user management, role management and log management

North interface: various north interfaces are provided, including CORBA, MML, FTP, SFTP and SNMP. The NetNumen U31 NE management system can be interconnected with the NMSes from different manufacturers of the upper-layer network management center