9. Outdoors: A school implementation typically employs high-speed, high-resolution, PTZ cameras encased in weather-resistant domes. Each camera can follow a pre-programmed guard tour, moving continuously from one pre-set position to another. Operators can zoom in on objects or areas at will.
Outdoor day/night cameras will switch automatically between a color mode for daytime and a more light sensitive monochrome for nighttime, providing 24-hour coverage in all light conditions. These two-in-one cameras not only cut in half the number of cameras needed, but also the number of domes required for the system. They also reduce the costs of other hardware and installation labor as well as future maintenance expenditures. By being able to produce clear images in low light conditions, school districts save the expense of installing additional lighting.
Consider a Networked System
Officials at larger districts, those with more than 75 buildings, will want to study the feasibility of networking their entire system, either via Ethernet or fiber optics. Their security consultant will be of great help in providing input. Onsite Ethernet hubs can be established in each building to create a district-wide network connected through the Internet. With fiber optics, cables can be connected from hundreds of remote sites to a central monitoring station.
Smaller districts will want to consider setting up a small-scale digital system that consists of multiple cameras, a multiplexer (which controls viewing and recording), and several monitors and recorders in each building. Such a system is relatively inexpensive. It can be duplicated in all buildings, allowing standardized training and eliminating any problems with compatibility.
Installer Must Have Experience
The system must be implemented by an installer with considerable experience in school security, using good design practices. Otherwise, there could be many call-backs. Schools need an integrator that can help them with pre- and post-sales support, troubleshooting, integration assistance, onsite training, firmware updates, system design and service/repair/replacement coordination.
Mark S. Wilson is vice president of marketing for Infinova.
