We investigate a translation of SDL diagrams into the complete representation of Pictorial Janus (PJ) programs in
order to analyze th visual e specification by visual debugging and animation. We additionally introduce timing
concepts to PJ (Timed PJ) for a complete mapping. The concepts transforming SDL interaction and process
diagrams into Timed PJ are outlined by an example. The example finally sketches the transformation of an
Ethernet CSMA/CD protocol specification.