The video transmission system over twisted pair consists in a transmitter and a receiver. The transmitter converts the composite video signal from a camera and transmit it over twisted pair, then the receiver converts again the signal in composite video. Both devices can be adjusted allowing amplification and equalisation of the signal then it is possible to cover long distances (up to 1500m for a colour video signal with UTP Cat.5 cable). A wide range of models is available satisfying any installation requirements. The transmitter is normally supplied in a IP56 enclosure for outdoor installation: available in two versions, 12Vdc/24Vac (TWT2) and 230Vac, 50Hz (TWT2A). A mini version (TWM2) is also available, fed in low voltage, for installation in the outdoor camera housing. The receivers are normally supplied in a IP56 enclosure for outdoor installation: low voltage version TWRB2 12Vdc/24Vac and high voltage TWRB2A 230Vac, 50Hz. The receiver is also available on Europe card TWRR1, fed in low voltage, for rack installation. The new TWPL1 can bring the video, the power supply and the telemetry in one cat. 5 cable.
TWRB2 Specifications PDF
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