"What is synonym name for this node?" The node synonym is an alphanumeric character string between 1 and 6 characters long that contains at least one alphabetic character. If this system had previously been running DECnet Phase IV software, then the old node name should be used as the synonym. If this system is joining a DECnet network for the first time, any name can be used for the synonym, as long as it meets the criteria listed above, and is unique within the network. Enter the node synonym you want to use.