OmniVista 2500 NMS Extension license for 10 supplemental managed nodes - New installation - Release 3.5.License activation provides OmniVista 2500 NMS management extension for additional 10 nodes/IP mgt addresses. Extension licenses (Qty & Model) can be combined t o match the required number of nodes to manage. Activated Extension licenses are associated to a specific OV2500 NMS starter Pack li ce