Defining different Service-Types for different equipment for the same user

Hi, I have to install a Radius Server that is going to authenticate and autorize users in the CLI of a mix of router brands and switches. The server will have a bunch of users that will have defined the Service-Type Administrative or NAS-Prompt. My problem is that when a user logs in to an Enterasys SSR with the Service-Type = Administrative, it goes immediately to the configure mode, and I dont want that, just the enable mode. So for a user that has Serv.Type = Administrative I would like to specifically define for the SSRs the Service-Type as NAS-Prompt (which goes to enable mode, equivalent for Administrative for CISCO that goes as well to enable mode for example). Do you know the best way to implement this? Thanks, Nuno