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Video Balun Transceiver For Twisted Pair

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The Nitek Video Balun Transceiver for Twisted Pair VB39M video balun transceiver is a video transmission device that provides a low cost means of sending live video over unshielded twisted pair, point-to-point wiring for distances up to 750 feet. The VB39M is compatible with all of the “up-the-coax” control systems. A basic system uses (2) VB37 or (2) VB39 units, one at each end of a twisted pair of wires. These units are intended for use over existing in-house telephone wiring, Category wiring or other twisted pair cable runs to provide a convenient, costeffective alternative to coax. The VB39M is designed to provide superior immunity from noise and interference even when running next to line power!
 

VB39M features include:

  • Quality video over ordinary twisted pair cable
  • Built-in surge suppression
  • Built-in ground loop isolation (When used with an active receiver)
  • 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
  • Easy to install and configure
  • Video can be run in the same cable with telephone, computer signals and power
  • Intra-building CCTV installations (instead of coaxial cable)
  • Structured cabling (Category 5) environments
  • To eliminate requirement for Plenum Coax
  • Multi-camera applications through conduit (more cameras through a smaller diameter)
Transceiver Unit Size 1.3” H x 2.0” W x .95” D
Transceiver Unit Input 1 Vpp composite video Monochrome or Color
Transceiver Unit Output Balanced low voltage current loop
System (2 transceivers required)
System Video Format PAL, SECAM, NTSC, RS170, CCIR (Color or B/W)
System Video Input 1 Vpp composite video Monochrome or Color
System Operating Frequency DC to 10 MHz
System Common Mode Rejection >60 dB
Wire Size 26 to 18 AWG twisted pair
Wire DC Loop Resistance 51 Ohms/1,000 ft (max)
Wire Nominal Capacitance 17 pF/ft
Wire Impedance 100 Ohms - 20%
Category Wire 2 or better
Temperature Range -40°C to 85°C
Humidity Range 0 to 98%, non-condensing
Transient Immunity 6000 V 1,2uS x 50 us Per ANSI / IEE 587 C62.41 B3 3000 A 8us x 20 us when ground screw terminal is connected to earth-ground
Enclosure Material Black, ABC flame retardant plastic
Twisted Pair Connection Screw terminals
Shipping Weight 1 lb

 

vb39m.pdfDatasheet


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Prices and specifications subject to change without notice.