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32 Port Active UTP Video Hub 100 Feet To 6,000 Feet

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The Nitek 32 port active video hub VH3256 with built-in surge suppression, ground loop isolation, gain and loss control, and video detection. Systems operate with other Nitek UTP video equipment including, video transceiver hubs, standard video balun transceivers, active transmitters, or any twisted pair equipped camera.

These active video hubs are multi-channel video receiver devices that provide a low cost means of receiving quality live video over Category UTP cabling. The systems can also adapt to existing communication and computer network spare pairs, or new cable installations. The VH3256 can be used on video runs up to 3,000 feet (900 meters) when used with passive transmitters, or distances of up to 6,000 feet (1,800 meters) with the Nitek TT560 active transmitter. These hubs provide superior immunity from noise and interference, even when run in common raceways with AC.

 

Available Configurations Include:

VH3256/110 Active Video Balun Receiver Hub - 32 Ports - Selectable 100 feet to 6,000 feet  - with 110 punchdown

VH3256 features include:

  • Quality video over ordinary twisted pair cable
  • Built-in surge suppression
  • Built-in ground loop isolation
  • Convenient access to DIP switches for accurate gain and loss control
  • High immunity to noise and interference
  • LEDs to indicate video detection
  • Highly compact, only one rack unit in height
  • Video can be run in the same cable with telephone, computer signals and power
Unit Transceiver
Size 1 RU x 9.5" (D)
Power Requirements 24 VAC @ 450mA (Wall transformer provided with unit)
Video Input Balanced low voltage current loop
Video Output 1 Vpp composite video monochrome or color
Common Mode Rejection >70dB
Video Format RS170, NTSC, PAL, SECAM, CCIR (Color or B/W)
Twisted Pair Connection Screw terminals providing balanced low voltage current loop
Operating Frequency DC to 10 MHz
Recommended Transmission Distance Up to 3,000 feet (900 meters) w/Passive Baluns Up to 6,000 feet (1,800 meters) w/Active Transmitters
Transient Immunity Built-in
Temperature Range -20 degrees C to 55 degrees C
Humidity Range 0 to 98% non-condensing
Enclosure Type Standard 19" rack 1 RU in height
Wire Spec 26 to 12 AWG Unshielded Twisted Pair (UTP)
DC Loop Resistance 51 Ohms/1,000 feet (max) (51 Ohms/300 meters)
Normal Capacitance 17pF/ft.
Impedance 100 Ohms /- 20%
UTP Category 2 or better

 



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Prices and specifications subject to change without notice.