To configure AEM connection you need to specify following parameters:
Server/Alias(Required) - the network address of an AEM instance;
Port(Optional) - the servers network port;
Database(Optional) - language branch which will be used as master version, need to be specified if site has many language versions;
TablePrefix - not used;
User Id(Required) - AEM login which will be used for connection;
Password(Required) - password for specified AEM login;
Select Portal(Required) - AEM site which will be localized;