Once a node has an interface, you can connect to that node through the interface in several different ways. See Raritan's CommandCenter Secure Gateway User Guide.
To connect to a node:
Click the Nodes tab.
Select the node to which you want to connect and:
In the Interfaces table, click the name of the interface with which you want to connect.
or
In the Nodes tab, expand the list of interfaces underneath the node to which you want to connect. Double-click the name of the interface to which you want to connect, or right-click the interface and select Connect.