Creates a DDCMP Link.  The Name of the DDCMP Link you wish to create is
    a required argument.  Select one of the Protocol modes to be used by the
    local station by single clicking on the associated radio button:

    Point      The local station is one end of a point-to-point link.
               This is the default and only supported value.

    Tributary  The local station acts as a tributary of a multipoint
               link.

    Press CONTINUE to create the DDCMP Link, or press CANCEL to cancel
    this operation.  In either case, you will be returned to the main window.