AST May 2020 AST May 2020 | Page 25

ATI currently provides the Indoor Speaker Unit (ISU) which can drive MNS speakers in buildings which do not already have a voice capable system installed. www.AmericanSecurityToday.com May 2019 - Edition 44 It is also becoming more common to interface to 3rd party equipment such as PA systems and voice enabled Fire Alarm Control Panels when they already exist in a building. In either case the UNI-ISU offers a modular, intelligent solution which can be configured for a wide range of in-building MNS requirements. The UNI-ISU takes full advantage of ATI’s Intelligent Control Gateway (ICG). ATI Systems Indoor Speaker Unit Exceptional, Cost-effective Indoor Notification System The ICG provides a powerful control unit with a flexible set of interfaces including Ethernet, USB, serial ports and a variety of ATI specific interfaces. The 8-bit legacy CPU of older units is replaced by a 32-bit ARM based micro-controller with improved firmware including a modern IP stack for the Ethernet port as well as advanced encryption hardware. Modular Flexibility The base configuration of the UNI-ISU includes the ICG, a basic power sup- 25