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Small rectangular passive video transceiver with short mini-coax pigtail

Computar Ganz

Computar Ganz NV-214A-M Passive Video Transceiver 9-inch Mini-Coax Lead Surveillance Accessory

SKU CH-099Y-5T1E2 MPN NV-214A-M

Single-channel passive video transceiver transmits composite video over UTP wire up to 750 ft and includes a 9-inch mini-coax lead for flexible camera-enclosure mounting

  • Passive transmission eliminates power-supply needs at the camera
  • 9-inch mini-coax lead fits inside most dome-camera enclosures
  • Real-time colour or monochrome video over standard UTP telephone wire
  • Transient protection built in, no separate ground screw required
  • Compatible with active NVT receivers up to 750 ft (225 m)

Single-Channel Passive Video Transceiver

The Computar Ganz NV-214A-M is a passive video transceiver designed for CCTV installers who need to send baseband composite video over unshielded twisted-pair telephone wire. It supports real-time monochrome or colour signals without amplification and works with active NVT receivers for fully equalised delivery or with other passive NVT units for shorter runs. The 9-inch mini-coax lead allows direct mounting inside most dome camera enclosures.

Simple Two-Wire Installation

Installation requires only a single twisted pair with no power supply or grounding screw, because improved transient protection is built into the unit. The short mini-coax lead fits tight enclosures but leaves little slack, so installers must plan the routing carefully to avoid strain on the connector. Polarity reversal on the pair is the most common wiring error and will result in no video until corrected.

Verify Cable Type And Distance

Before ordering, confirm that the existing cable plant is unshielded twisted-pair telephone wire and not coaxial or shielded data cable, as the transceiver is designed for UTP only. Passive-to-passive links are limited to 750 ft (225 m), so measure the total run length to ensure it falls within that range; longer distances require an active receiver at the DVR end. The unit replaces the earlier NV-213A model and is compatible with other NVT passive products.

Highlights

  • Passive transmission eliminates power-supply needs at the camera
  • 9-inch mini-coax lead fits inside most dome-camera enclosures
  • Real-time colour or monochrome video over standard UTP telephone wire
  • Transient protection built in, no separate ground screw required
  • Compatible with active NVT receivers up to 750 ft (225 m)

Specifications

BrandComputar Ganz
ModelNV-214A-M

Questions about this item

How can I verify the NV-214A-M is transmitting video correctly after installation?

Connect the 9-inch mini-coax lead to the camera and UTP wire to an active NVT receiver; a stable, full-motion monochrome or colour picture on the DVR confirms the passive transceiver is working as intended.

What comes with the NV-214A-M and what must I source separately?

The box contains the single-channel passive transceiver with its integrated 9-inch mini-coax lead; you must supply the Unshielded Twisted-Pair cable and an active NVT receiver or compatible passive unit for the far end.

Should I choose the NV-214A-M or the older NV-213A for my dome-camera installation?

Choose the NV-214A-M; its 9-inch mini-coax lead fits inside most dome enclosures and it adds improved transient protection that removes the need for a ground screw, unlike the NV-213A.

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