\
Add Component - Ports Only
Tools => Add Component - Component Properties dialog box
You select Tools => Add Component => Ports Only in order to insert internal ports in your circuit which may be used later in a circuit design program. An assistant appears on your display which helps you set up your component. This dialog box is also opened when you select the command Modify => Component
Using Variables in this dialog box
All of the ports associated with this component will have a common ground and are simultaneously de-embedded during the electromagnetic analysis. This component type is functionally equivalent to using co-calibrated internal ports.
Number of Ports: Enter the desired number of ports for your component here. You may use an unlimited number of ports.
Reference Planes and Calibration Lengths
For a detailed discussion of Components, please refer to the "Components" chapter in the Sonnet User's Guide.