On each multiplex server, the SERVER logical server has implicit membership to that server only, allowing certain privileged users to connect to any node of the multiplex and execute server-level administrative tasks without knowing which logical servers include that node.
SERVER is the default logical server for dbbackup and dbstop commands.
When you connect using the SERVER logical server context, SAP Sybase IQ ignores the NodeType connection parameter.
You must have the ACCESS SERVER LS system privilege to connect to a multiplex with the SERVER logical server context: