
Nitek VB31M Video Balun With Pigtail Coax 9" RG59 Mini-Coax Pigtail
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→ Combiner Unit Power Pass Through: 250mA @ 1,000 feet on 24 AWG 1 Amp @ 100 feet on 24 AWG
→ Combiner Unit Video Input: 1 Vpp composite video Monochrome or Color
→ Combiner Unit Output: Balanced low voltage current loop
→ Combiner Unit Modular Jack: Standard RJ45
→ System: (2 combiners 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
→ System Wire Size: 26 to 18 AWG twisted pair
→ Wire DC Loop Resistance: 51 Ohms/1,000 ft (max)
→ Wire Nominal Capacitance: 17pF/ft
→ Wire Impedance: 100 Ohms +/- 20%
→ Category Wire: 2 or better
→ Temperature Range: -10°C to +85°C
→ Humidity Range: 0 to 98%, non-condensing
→ Twisted Pair Connection: RJ45 jack
→ Transient Immunity: Built-in
→ Shipping Weight: 1 lb
→ RJ45 jack connection for twisted pair
→ Quality video over ordinary twisted pair cable
→ Immunity to noise and interference
→ Passive devices - do not require power
→ Mini-coax pigtail for in-camera or dome mounting
→ Weather resistant design
→ Easier to install than coax
→ Compatible with all twisted pair equipped cameras, enclosures and domes
→ Intra-building CCTV installations (instead of coaxial cable)
→ Structured cabling (Cat wiring) environments
→ To eliminate requirement for Plenum Coax
→ Multi-camera applications through conduit (more cameras through a smaller diameter)
The Nitek Video Balun Combiner for Twisted Pair VB 31M is a video transmission device which
converts coaxial signal into twisted pair signals. The
unit provides a low cost means of sending live video
over twisted pair, point-to-point wiring for distances
up to 500 feet with other passive baluns, up to 1,500
feet with the TR515 and model 51 series hubs, and
up to 3,000 feet with the TR560 and model 56 series
hubs.
The VB-31M is compatible with all of the "up-the
-coax" control systems. A basic system uses (2)
video balun transceivers, one at each end of a
twisted pair of wires. These units are intended for use
over existing in-house wiring, category wiring or other
twisted pair cable runs to provide a convenient, costeffective alternative to coax. The VB31M is designed
to provide superior immunity from noise and
interference even when running next to line power!
The VB31M also provides a unique mounted tab and
strain relief.
Similar Models:
VB31PT: RJ45, 9" RG59 Mini-Coax Pigtail, Male BNC.










