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• W323203553 abstract "[ILLUSTRATION OMITTED] Melissa Tebbenkamp, director of technology for Raytown Quality Schools in Raytown, MO, learned firsthand that there is both good news and bad when it comes to video surveillance system implementations. The good news first: Her district superintendent recognized the need to upgrade older analog systems even in this era of ever-tightening budgets. He wasn't alone. In a 2010 survey by Campus Safety magazine, 42 percent of K-12 respondents expressed dissatisfaction with the quality and coverage of their current video surveillance systems. Among the limitations of analog CCTV systems: the cost of installing cable to support and power them, especially on large campuses; the difficulty of scaling up; the lack of interoperability with other security systems; and the inability to provide access to authorized users in the field. The better news is that internet protocol (IP) network-based cameras and digital video management software are maturing, and many issues that have surrounded them, including bandwidth, data storage, ease of use, and integration are starting to become clearer as the technology continues to evolve. Prices are going down and the number of features is going up. Three years ago people might have still looked at analog systems, but that is not an option anymore, says Robert Grossman, an electronic security consultant based in Egg Harbor Township, NJ. Everything is IP now. That's why, in the last two years, the 22-campus Raytown district has gone from an analog CCTV system of 56 cameras that did a poor job of monitoring a few parking lots to make sure teachers' car tires weren't stolen to an IP-based system involving 500 cameras. So what's the bad news? Even if putting cameras on your IP network makes sense now, many decisions still need to be made based on your school district's needs, including choices about network configuration, camera types, storage hardware, and video management software. Tebbenkamp agrees with that. She acknowledges her initial research in the subject took more time than she thought it was going to take. We really did our due diligence, Tebbenkamp says. On the project management side, we would definitely do it ourselves again, but it did take more of our internal resources than we initially thought. Educational institutions were among the early adopters of IP-based video surveillance solutions because their scalability is so attractive. With the goal of expanding coverage in crucial areas such as stairwells, parking lots, cafeterias, and hallways, administrators struggled with the previous generation of analog systems, mainly because adding new cameras would involve a potentially expensive cabling project. The initial price tag may be higher for IP-based systems than their analog counterparts, but IP systems can end up having a lower total cost of ownership than the older systems when you consider scalability, better image quality, longer life span, and lower maintenance costs. One classic mistake is to look at the cost of an analog camera at $300 and an IP camera at $450 and say you can't afford the IP camera, says Fredrik Nilsson, general manager of Axis Communications, a vendor of video surveillance systems. You have to look at the total cost of ownership when you're thinking about these kinds of things. The larger the system gets, the more savings you will get out of IP. Yet an existing system of analog cameras need not be abandoned. Many schools have older analog cameras tied to digital video recorders that can be incorporated into an IP network using encoders. The data is digitized and can be viewed alongside IP camera images. While you don't get the high resolution of IP cameras, the analog cameras should work fine in the new video management system. And additional cameras can easily be added to an IP network using Power over Ethernet (PoE)--the camera draws electricity through its Ethernet connection, thus eliminating the need for additional power outlets. …" @default.
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• W323203553 date "2011-11-01" @default.
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• W323203553 title "Surveillance Jumps on the Network: What Anybody Involved with Campus Security Needs to Know about the Analog-to-IP Transition" @default.
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