It is possible to add new application packages and related add-on packages. Existing application or add-on packages can be removed but they are not refunded.
It is possible to change the existing communication protocol support to a different one. In this case, the original protocols are removed.
Note: Relay software delivered with a modification is the latest version including all improvements. No older versions included. It is not possible to downgrade the relay e.g. to earlier release software via a modification either.
Note: It is not possible to upgrade the relay from earlier released version to PCL5 via a modification either.