C•CURE 800/8000 Software Configuration Guide - Tyco Security ...

Antipassbackantipassback data is synchronized across clusters. If the antipassback of thecard was reset during communications failure, the system designates theiSTAR with the most recent antipassback information as the owner.NOTEYou cannot have cross cluster configurations (global antipassback) with:• Carpool antipassback• Carpool timed antipassback• Occupancy restrictions• De-mustering• Passthrough violationAntipassback Configuration GuidelinesThis section describes guidelines and limitations for iSTAR configurationsthat enforce global antipassback.PerformanceAntipassback performance and reliability are impacted by the:• Size of the cluster• Number of access requests per minute• C•CURE 800/8000 card processing time• Network latencies - slower networks result in slower access time.• Performance within the cluster depends on the network performancebetween the master and members.• Performance across clusters depends on the network performancebetween the C•CURE 800/8000 host and the iSTAR masters.Faulty or excessively slow networks can cause communications failuresthat result in denial of access, and activation of antipassback failure mode.• Speed of the C•CURE 800/8000 host - impacts configurations that requirea significant amount of access between clusters.2–42 C•CURE 800/8000 Software Configuration Guide