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4-Channel Video Active Receiver

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The NVT 4-Channel Video Active Receiver NV-452R is an active (amplified) device that allows the transmission of real-time monochrome or color video on up to 1 mile (1,6km) using Category Unshielded Twisted-Pair (UTP) telephone wire. The NV-452R provides signal conditioning in the form of ground lifting, distance EQ and transient protection.

The unparalleled interference rejection and low emissions of the Model NV-452R allow long run video signals to co-exist in the same wire bundle as telephone, datacom, or low-voltage power circuits. This allows the use of shared or existing cable plant. Ground-lifting ensures no annoying “hum-bars” when ground potential differences exist. With built-in transient protection, damaging voltage spike problems are eliminated. The built-in sharpness and brightness controls compensate for cable loss.

NV-452R features include:

→ One floating power supply may power multiple NV-452R receivers
→ Two NV-452Rs can be mounted to an NV-RM 8/10 Rackmount Panel
→ Four active receiver channels in one product
→ Full-motion CCTV video at distances up to 3,000ft (1km) when used with any passive NVT transceiver; 1 mile (1,6km) when used with NV-653T transmitter
→ RJ45 or pluggable screw terminal connectivity
→ Exceptional interference rejection
→ Frequency Response DC to 10 MHz
→ Built-in transient protection and ground lifting
→ Built-in brightness and sharpness controls; blue power LED, green active LED
→ Compatible with qualified UTP cameras
→ Best choice for DVR and high resolution applications over 750ft (225m)
→ Two NV-452Rs may be rack mounted using the NV-RM8/10 Rack Panel Kit
→ Limited lifetime warranty

Video Frequency response DC to 10 MHz
Video Equalization 0.5 dB typ
Video Automatic (no adjustment) 0 to 3000ft (0 to 1km) for NTSC or PAL standards Automatic polarity detection and control Impedance
Video Common-mode / Differential-mode rejection 15 KHz to 5 MHz 60 dB typ
Video Impedance Coax, female BNC 75 ohms
Video Impedance UTP, Screw terminal block or RJ45 100 ohms
LED Indicator Blue “Power-On”; Green “Active” signal present
Network Wiring One Unshielded Twisted Pair (for each video signal) 24-16 AWG (0,5-1,31mm)
Wire Category Type 2 or better
Wire Impedance 100 ± 20 ohms
Wire DC Loop Resistance 52 ohms per 1,000ft (18 ohms per 100m)
Wire Differential Capacitance 19 pF/ft max (62 pF/m max)
Connectors Use either terminal or RJ45 (not both)
Power 24VAC / DC (transformer not included) 250 mA max
Ambient temperature 32 to 122 °F (0 to 50 °C)
Humidity (non-condensing) 0 to 95%
Transient Immunity per ANSI / IEEE 587 C62.41
Dimensions, excluding brackets and connectors 7.3 x 2.35 x 1.65in (184 x 60 x 41mm)
Packaged weight 0.7lbs (0,32kg)
Material Black ABS
Mounting Two 0.175 in (4,4mm) diameter holes 6.75in (171,5mm) apart

 

nv-452r.pdfDatasheet


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Prices and specifications subject to change without notice.