NVT NV-452R 4-Channel Video Active Receiver
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→ 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
→ One floating power supply may power multiple NV-452R receivers
→ 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
→ 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
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 NV452R 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.
