Kenosha Reuse Discussion Board > SOMERS, WI
> "twist" twisted pair video transmission system
"twist" twisted pair video transmission system
over twisted pair wires for distances up to 900 meters.
* Transmission of high resolution video signal over twisted pair wires for distances up to 900 meters
* Adjustment for disdance compensation by one switcher with discretion of 100 meters
* Built-in block of power supply with electronic protection
System TWIST includes the following devices:
* Transmitter TWIST-T , which converts signal from the source (video camera) into differential video signal. It is placed on transmitting end of video line.
When transmitter TWIST-T on transmitting end of video line and receiver TWIST-R on receiving end of video line are serially switched on black-white or color video signal is transmitted by twisted pair wires for distance up to 900 meters.
* Transmitter TWIST- T has coaxial 75 ohm BNC input connector and differential outputs, made in the form of contact connector with 3 contacts. Two contacts are intended for connection twisted pair wires with different phases, and third contact is for net ground wire.
* Receiver TWIST- R has differential input for twisted pairs in the form of contact connector with 3 contacts. Two contacts are intended for connection twisted pair wires with different phases, and third contact is for net ground wire. Coaxial 75 ohm BNC output connector is intended for output of standard video signal.
Devices are intended for work outdoors (category IP54) and are made exclusively on integral circuits of JSC RD ALFA MD . They are notable for small power consumption, reliability, simplicity of operation
