A newly added Microzone II does not appear in the Node List in PSI. The ASD trunk contains existing controllers connected to a UNC-520. All existing ASD controllers appear in the Node List.
TAC I/A Series
The new ASD controller must be 'learned' into the R2 station in order for it to appear in the Node List in PSI.
Access the R2 station and use Device Manager to find and learn the new controller into the station.