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contact closures which can be configured to provide control and monitoring of various external equipment such as HVAC shutdown, gate control, perform handshaking, etc. www.AmericanSecurityToday.com May 2019 - Edition 44 Multiple activation sources can be assigned priorities that match system requirements. The UNI-ISU can also be configured to drive strobes where visual alerting is required. It is also an option to drive digital signs to provide text messages in addition to the voice alerts. Summary The increased intelligence and modularity of the UNI-ISU compared to the older units provides more options for meeting the customer’s needs in a flexible and efficient manner. This offers improved indoor MNS capability. Along with the HPSS for outdoor needs and the REACT5000 and MassAlert for control and monitoring, ATI can provide customers with complete indoor/outdoor wide area MNS solutions. es can cover a wide area to alert and direct a large number of people in a short time. 29