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  • Surveillance and Security

    Video Surveillance has accelerated in the post 9/11 world.  Key points of entry at nations' borders such as airports, shipping ports, and highway checkpoints as well as key infrastructure locations such as bridges and power utility substations have experienced unprecedented growth--as have corporate premises. Reasons for this growth include the increasing economy and ease-of-use for installing and using networked IP video cameras and data devices.

    New enabling technologies such as Power over Ethernet (PoE) have brought IP Video Surveillance to areas where it might not have otherwise been practical or economically feasible.  Sometimes, traditional power wiring for AC power is not available or easy to install.  Power over Ethernet (PoE) has emerged to allow devices such as networked cameras to receive power over the same cabling that carries the network data.  PoE simplifies the installation and operation, keeping the cabling secure while not interfering with the network operation.

    New MNS-6K Software Feature for
    IP Video Surveillance 

    Multicast for streaming data has become increasingly important because IP video surveillance is increasingly desired. A new GarrettCom technology enables multiple streams of data to be efficiently managed using only Layer 2 Ethernet switches.  This MNS-6K feature will simplify many large LANs that serve applications with streaming data such as video surveillance.  Previously, this capability was available only with LANs incorporating complex Layer 3 switches and routers with IGMP (Internet Group Management Protocol).

    Read technical brief of IGMP-L2


    Recently GarrettCom presented a webinar on Physical & Cyber Security for Industrial Applications. Click here to access slides from the webinar.

    Examples of applications include:

    Magnum 6K Switches Network Seminole State College (FL) Code Blue Security System

    Magnum 6K Switches Network Cargotec Port Security‘s Spreader Bar Radiation Verification System

    For a paper on networked (IP) Video versus analog, click here.

    Ethernet for Surveillance & Security
    Video surveillance cameras have also grown in popularity and use as an effective tool for traffic control and management. Video cameras can provide real time, full-motion feedback as traffic problems develop, whether at a city intersection or on a major freeway. New Power over Ethernet (PoE) models add simplicity and convenience.

    Traditionally, serial communications lines have been employed to transmit traffic control signals. However, live video, as part of an intelligent transportation system (ITS), requires a transmission bandwidth up to 100 times greater than the standard serial links.

    Furthermore, the video signal often must be transmitted over a distance of several miles, usually to a central traffic operations center (TOC). Fiber optic cabling is the preferred medium to carry the video signal, since fiber optic cabling has a very large bandwidth and is immune to magnetic interference.

    The combination of high bandwidth demand along with fiber cabling has resulted in the emergence of industrial grade Ethernet as the protocol of choice for video surveillance and traffic control systems. Ethernetís virtually unlimited bandwidth, ruggedness, scalability, and inexpensive systems components make it a natural for the new generation of video surveillance, Intelligent Transportation Systems and other outdoor applications.

    IP Video Surveillance requires hardened networking products that can be installed in temperature uncontrolled environments. A full range of rugged Magnum Ethernet products, including PoE, is available. See 1-Sheet Overview.

    Hardened IP Video Surveillance Products:

    Magnum PS14P PoE Switch
    Magnum 6K Managed Switch Family
    Magnum 6K PoE Modules
    Magnum DX Products
    Magnum P62F Hardened Switch
    Magnum ES42 Edge Switch  
    Magnum Converter Switch Family
    Magnum PES42P PoE Edge Switch