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 4 doors and 4 cameras. It does not support additional partitions or LDAP integration.The AC Nio Small Business license can manage up to 8 doors and 8 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.