The Gallagher Perimeter Security System HLI (High Level Interface) supports the configuration, control and monitoring of Gallagher security fence controllers, alarm keypads and fence zones. Gallagher security electric fence systems deliver multi-zoned, multi-site perimeter security. The Perimeter Security System HLI provides deterrence and fully monitored detection of potential intruders, and offers a scalable, networked perimeter security solution. It also allows the configuration of unlimited, uniquely identified fence zones to facilitate a fast, appropriate alarm response. Additionally, the system centralizes monitoring and control of multiple remote sites and provides a single management system for central or distributed alarms management across multiple sites.