Nitek passive UTP CCTV Hub

Video Balun UTP Hub -

8 Port Transceiver

Model Number: VH839M

  • Eight Passive Video Balun Transceivers for UTP
  • Up to 750 feet (225 meters) with Passive Transceivers
  • Up to 3,000 feet (900 meters) with Active Receivers
  • RJ45 Connector for connection to UTP cable
  • The VH389M is an eight port video Balun Hubs with built-in surge suppression. Systems operate with other Nitek UTP video equipment including, video balun hubs, standard video balun transceivers or active receivers. These units feature RJ45 jack connections for quick and reliable connections.

    The VH839M video balun hubs are multichannel video transmission devices that provide a low cost means of sending 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 VH83M9 can send video up to 750 feet (225 meters) when used with other products in the VB37 or VB39 family. When used with model TR515 or TR560 active receivers, distances of 1,500 feet (450 meters) and 3,000 feet (900 meters) respectively, can be attained. The VH839M is designed to provide superior immunity from noise and interference, such as RFI and EMI.

    • Quality video over ordinary twisted pair cable
    • Built-in protection from power surges and transients
    • High immunity to noise and interference
    • Passive units require no power
    • Video & P/T/Z over a single pair with “up-the-coax” systems when used with passive baluns
    • Highly compact, only one rack unit in height
    • Conveniently integrates with Nitek Modular systems
    • Video can be run in the same cable with telephone, computer signals and power

    Wire and Cable Recommendations

    Twisted Sender is recommended for use with unshielded twisted pair (UTP) wiring. The systems will operate over wire gauges from 26 AWG through 12 AWG but are optimized for 24 AWG. Category cabling may be used. Individually shielded pairs should be avoided as they drastically reduce the operating range of the systems. Multi-pair cable with an overall shield is acceptable. Video can be operated in the same communication cable coexistent with telephone, computer, control signals, power voltages and other video signals. While video may be routed through telephone punch-down block terminals, any bridge-taps, also called T-taps and any resistive, capacitive or inductive devices MUST BE removed from the pair.

    For more specific information regarding wire types, gauges and proper installation techniques, please call (800) 528-4343 for technical assistance.

     Transceiver Unit
    Size 1 RU x 6.0"D
    Power Requirements NONE REQUIRED
    Video Input Connection Standard BNC connector for
    1 Vpp composite video
    monochrome or color
    Video Format RS170, NTSC, PAL, SECAM,
    CCIR (Color or B/W)
    Twisted Pair Connection Screw terminals providing balanced low voltage current loop
    Common Mode Rejection >70dB
    Operating Frequency DC to 10 MHz
    Transmission Distance
    w/passive units - Up to 750 feet (225 meters)
    w/active units - Up to 3,000 feet (900 meters)
    Transient Immunity Built-in
    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

    Select a type of online documentation:

    VH839M Specification Sheet
    VB31PT Installation Manual
    VH839M Visio Drawing
    VH839M Autocad Drawing