How do I change a port number on a Component?
Geometry Elements - Components
Port numbers only appear on a the component ports of a Ports Only type component. To change a port number on a Ports Only type component, do the following:
Double-click on the desired component
port.
The Component
Port Properties dialog box appears on your display.

Enter the desired port number in the Port Number text entry box.
Click
on the OK button to apply the changes and close the dialog box
The port number is updated in your project editor view. If you wish
to change more than one port number, you may use the Next Port buttons
to switch to another component Port.