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CCTV Connections

by msecadm4921

Network Video Technologies (NVT), has released two new passive transmitter and receiver (transceiver) models, and a new compact four-channel StubEQ UTP Active Receiver Hub.

The new NV-215J-M Single Channel Passive Transceiver features an RJ45 UTP terminal, in addition to a nine-inch mini-coax pigtail with a Male BNC connection. Whilst the NV-217J-M Single Channel Passive Transceiver features an RJ45 UTP terminal and Male BNC to allow direct connection to a camera or DVR.

Compatible with DVR and HDVR technology, the company’s NV-215J-M and NV-217J-M are capable of delivering a fully equalised signal at distances up to 1km (3,000ft), when combined with any NVT DigitalEQTM Active Receiver. They are also compatible with all of the company’s passive products for applications under 225m (750ft).

Both UTP transceivers incorporate improved transient protection, eliminating the need for a ground connection, while interference rejection and low emissions allow video signals to co-exist in the same cable infrastructure as telephone, datacom, or low-voltage power circuits. Further installation flexibility is achieved by the transceivers not requiring a dedicated power supply when used with NVT Power, Video & Data (PVDTM) technology.

Designed to bring StubEQ benefits to installations with smaller camera numbers, the new NV-442 StubEQ Active Receiver Hub transmits real-time camera video at distances up to 460 metres (1500 feet) over Cat5 UTP cable, or 600 metres (2,000 feet) when combined with a NV-653T Active Transmitter.

The new hub’s StubEQ two-band technology continuously and automatically compensates for cable attenuation and ground loops, independent of video signal image – meaning no video equalisation adjustments are necessary. Housed in an ultra-compact 1U x 2" deep enclosure, the diminutive four-channel hub supports RJ45 or screw-terminal connectivity, is UL and cUL listed, compliant with CE, RoHS and WEEE, and as with all NVT products, is covered by a limited lifetime warranty.

“The new NV-442 brings the advantages of NVT high-performance and cost-effective UTP video transmission to installations with smaller camera numbers,” says Steve Proctor, NVT’s Sales Director. “Complete with RG45 connectivity, the two new passive transceivers bring additional flexibility and choice of connectivity for installers and specifiers. All three new products can help to provide significant cost savings, whilst supplying superior image quality and consistency of interference free camera video within a wide variety of surveillance system applications.”

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