Matrix Systems of Miamisburg, Ohio, offers Frontier Universe open architecture access control software, which is compatible with leading subsystem manufacturers including Mercury Security and HID. The feature-rich system accommodates legacy systems and offers options of Web-browser-based and server-based technologies. It can integrate with access control, time and attendance, alarm management, guard tour, visitor management, video surveillance, and other security technologies. It supports up to 128 card readers per processor, and is expandable to any number of doors, card readers, and cardholders. The company’s single-source responsibility guarantee backs the system.