The NSM On-Premises Manager View has two sub tabs:
Home - The Home tab provides a user interface, where the administrator can manage and monitor the on-premises NSM solution. You use the commands associated with the Home option to configure and manage NSM, The tools supporting this task include:
System - The System tab provides a centralized user interface, where the administrator can manage and monitor the on-premises NSM solution. You use the commands associated with the System option to configure NSM, manage NSM performance, monitor activities, and manage upgrades and licensing. The tools supporting this task include:
Monitor multi-node NSM deployment
The detail fuctionalities of each option is described in this guide.