Assuming that the Phase IV address prefix value is "49::", some examples of address towers are: Abbreviation Fully Specified ------------ --------------- 1.5 NSP/49::01:AA0004000504:20 1.5 NSP/49::01:AA0004000504:20 39:840:01:AA0004000504:20 NSP/39:840:01:AA0004000504:20 39:840:01:AA0004000504:21 TP4=DEC0/39:840:01:AA0004000504:21 TP4/39:840:01:AA0004000504:21 TP4=DEC0/39:840:01:AA0004000504:21 Examples of address towers using normal default values for both a DECnet Phase IV node and a DECnet-Plus node might be: TOWERS={1.5} TOWERS={2.54, 39:840:01:AA0004000504:20, 39:840:01:AA0004000504:21}