We have switched to Alma from Ex Libris and their z39.50.
To be able to search the consortia-database you should use these settings:
Server = eu01.alma.exlibrisgroup.com, Port = 210, base = 47BIBSYS_NETWORK
The Alma Z39.50 is decribed here: https://developers.exlibrisgroup.com/alma/integrations/Z39.50