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VH1651M

The VH1651M is a 16 port active video hubs with dual outputs, built-in surge suppression, ground loop isolation, gain/loss control, and video detection.

Description 

The VH1651M is a 16 port active video hubs with dual outputs, built-in surge suppression, ground loop isolation, gain/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.
Multi-channel video receiver hubs provide excellent video quality through two video outputs per channel. Twisted pair installations are made with a choice of the standard screw terminal connections, or the modular jack connections featured on the M series. The VH1651M can receive video up to 1,500 feet (450 meters) when used with passive transmitters. These hubs provide superior immunity from noise and interference, even when run in common raceways with AC power.

Features 

• Quality video over ordinary twisted pair cable
• Built-in surge suppression
• Built-in ground loop isolation
• Dual BNC connector output
• RJ45 jack connector input
• 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

Technical Specs 
 Unit Specifications
Size 1 RU x 6.0″ (D)
Power Requirements 12-24 VAC/VDC @ 550mA
(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
RJ45 jack connectors
Output Connection Dual BNC connectors
Wire Size 26 to 12 AWG Unshielded Twisted Pair
Operating Frequency DC to 10 MHz
Recommended

Transmission Distance

Up to 1,500 feet (450 meters) w/passive baluns
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
Shipping Weight 8 lbs
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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