DHI-ARD2231-W2

"8-channel local alarm input (expandable to 72 channels); supports NO/NC detector, detector tamper, short circuit and mask alarm. 4-channel alarm output (expandable to 84 channels); supports forced start/shutdown, auto control, and alarm linkage. Multiple zone types, such as instant zone,"

"5 intuitive indicators, including zone status, fault, arming/disarming, network, and communication indicators to quickly identify the status of the system. ·Powerful search engine to find information on the zone status, system faults, program version, and communication parameters."