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 options available to accommodate different applications, Essential and Small Business licenses. The AC Nio Essential license is intended to manage a smaller system - up to 40 doors and 40 cameras. It does not support additional partitions or LDAP integration. The AC Nio Small Business license can manage up to 80 doors and 80 cameras, as well as elevators and unmanaged doors. It can be installed on a local server, PC, or on the AC-HOST embedded server. This license allows up to five partitions and supports Lightweight Directory Access Protocol (LDAP) integration.