NVT : NV-314A
Description
The NVT Passive Video/Audio Transceiver NV-314A Video/Audio Transceiver is a passive (non-amplified) device that allows transmission of real-time monochrome or color video and audio over Unshielded Twisted-Pair (UTP) telephone wire. Baseband (composite) signals of any type are supported. Applications include Security/Surveillance, Video Distribution, or Distance Learning.
The unparalleled interference rejection and low emissions of the Model NV-314A allow video signals to co-exist in the same wire bundle as telephone, datacom, or low-voltage power circuits. This allows the use of a shared or existing cable plant. “Up-the-coax” type signal may be sent over the same wire pair. The NV-314A comes with an RJ45 patch-cord. For rack-mounting, use the NV-418AR (which contains hardware equivalent to two NV-314As) with the NV-RM15 rack system.
Features
NV-314A features include:
→ Full-motion monochrome or color video and audio at distances up to = 750ft (225m) when used with another passive transceiver; 3,000ft (1km) when used with an active receiver such as the NV-518A
→ No power required
→ Built-in transient protection
→ Exceptional interference rejection
→ Supports "up-the-coax" type control signals
→ Frequency Response DC to 10 MHz
→ RJ45 and RCA jack connections
→ Limited lifetime warranty
Specifications
| Video Attenuation | DC to 5 MHz 0.5 dB typ |
| Video Common-mode rejection | 15 KHz to 5 MHz 60 dB typ |
| Video Impedance Coax, RCA jack | 75 ohms |
| Video Impedance UTP, RJ45 jack | 100 ohms |
| Audio Attenuation | 20 Hz to 20 KHz 1.5 dB typ |
| Audio Impedance | 600 ohms |
| Signal | Line level 4 dBm max |
| Network Wiring | Two Unshielded Twisted Pairs 24-16 AWG (0,5-1,31mm) |
| Category type | 2 or better |
| Impedance | 100 ± 20 ohms |
| DC loop resistance | 52 ohms per 1,000ft (18 ohms per 100m) |
| Differential capacitance | 19 pF/ft max (62 pF/m max) |
| Wire length | see below |
| Connector Interfaces Video, Audio | Female RCA jacks |
| Connector Interfaces Twisted pair interface | RJ45 non-keyed jack wired for two twisted-pairs |
| Power | No external power require |
| Ambient temperature | -20 to 75 °C |
| Humidity (non-condensing) | 0 to 95% |
| Transient Immunity | per ANSI / IEEE 587 C62.41 |
| Dimensions | 3.75 x 2.50 x 0.40in (95,2 x 63,5 x 10,1mm) |
| Weight | 4.0oz (113g) |
| Material | Gray ABS |
| Mounting | Two 3M Dual Lock adhesive strips |
Resources & Documents
| nv-314a.pdf | Datasheet |