AC Nio is management software for the AC Series access control system. It is used to program a system and manage everyday functionality. There are two license options available to accommodate different applications. The Essential license can manage a system of up to 4 doors and cameras. It can be installed on a local server PC or on the AC-HOST embedded server.The Small Business license can manage up to 8 doors and cameras, as well as elevators and unmanaged doors. This license allows up to five partitions and also supports Lightweight Directory Access Protocol (LDAP) integration.