Select the Node Association and on the smart manipulator toolbar, click .
In the diagram pallet, click and select the Node Association on the diagram pane.
Specify the Operational Exchange, Conveyed Item, and Direction.
Click Next to specify Producing and Consuming Activities.
Click Finish when you are done.
An L1 Node Types diagram also allows you to show mappings among Capabilities and Nodes, Physical Location requirements, and Services provided or requested by Nodes.
The structure of each Node can be modeled using the Logical Scenario diagram or in a special structure compartment of this element shape.
Once the L1 diagram has been completed, you can proceed creating the L4 diagram.