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  • Black Box Products
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Shop by Type

  • Cabinets & Racks
  • House and protect your networking equipment with a wide range of server, data, and specialty cabinets and accessories for cooling and cable management.
  •  
  • Cables
  • Build your structured cabling system
    from our large selection of guaranteed-
    for-life UTP, fiber, video, USB, and datacomm cables.
  •  
  • Cooling Solutions
  • Protect your mission-critical equipment with complete data center cooling solutions, including liquid, rack, and cabinet cooling.
  •  
  • Datacom
  • Extend data the last mile and share peripherals more efficiently with our modems, line drivers, CSUs, muxes, peripheral switches, and other connectivity products.
  •  
  • Digital Signage
  • Deliver the right message at the right
    time to increase sales and improve communications.
  •  
  • Industrial
  • Ensure reliable communications in harsh areas with hardened, heavy-duty, and DIN rail-mountable switching and extension equipment, as well as termination and testing tools.
  •  
  • Jacks, Panels, & Hardware
  • Complete your end-to-end structured cabling channel with our guaranteed-
    for-life patch panels, jacks, wallplates, and other connectivity hardware.
  •  
  • KVM
  • Enable control of multiple computers
    from a single KVM station, mix and
    control computers from different platforms, and even manage servers
    over IP.
  •  
  • Networking
  • Black Box has everything you need to build and maintain your network from legacy devices to high-speed Gigabit Ethernet.
  •  
  • Power
  • Protect your sensitive equipment from damage caused by electrical spikes and surges, and provide backup power
    when your power goes out.
  •  
  • Premises Security
  • Secure your building with access
    control equipment, intercoms, paging systems, CCTV cameras, and other security devices.
  •  
  • Testers & Tools
  • Find the best professional testing solutions here, whether you’re maintaining a small office or a large enterprise.
  •  
  • Video & Multimedia
  • Extend, split, switch, upconvert, and
    more with our AV infrastructure components.
  •  
  • Voice Communications
  • Find everything you need for smooth talking from headsets and conference phones to phone line management systems and accessories.
  •  




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Black Box Explains
  • NEMA ratings for enclosures.
  • Use one set of twisted-pair wires for both data and low-wattage appliances.
  • In addition to the applications noted above, PoE also works well for video surveillance, building management, retail video kiosks, smart signs, vending machines, and retail point-of-information systems.
  • Save money by eliminating the need to run electrical wiring.
  • Easily move an appliance with minimal disruption.
  • If your LAN is protected from power failure by a UPS, the PoE devices connected to your LAN are also protected from power failure.

  • Converters and Scalers Selector
    PoE Standards PoE
    IEEE 802.3 af
    PoE IEEE 802.3 at
    Power available at powered device 12.95 W 25.5
    Maximum power delivered 15.40 W 34.20
    Voltage range at powred source 44.0-57.0 V 50.0-57.0 V
    Voltage range at powred device 37.0-57.0 42.5-57.0 V
    Maximum current 350 mA 600 mA
    Maximum cable resistance 20 ohms 12.5 ohms
Power over Ethernet (PoE).
Pdf Drawing






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Black Box 1-877-877-2269 Black Box Network Services