TR-16/DC-RACK is designed for video signal transmission and power supply via twisted pair cable (UTP, FTP)The device adjusts the impedance of the 75Ω coaxial cable to the impedance of the symmetrical cable, providing video signal transmission up to 400m (twisted pair of 5 categories) and eliminates unbalanced interferenceThe video signal uses one pair of twisted pair cables, the other three pairs are used to transmit the power supply voltageTR-16/DC-RACK can be powered from one or two external power supplies (A or B)
Each current path is protected by a polymer fuse and has a green LED informing about its operation (lack of lighting means power cut off)When one of the outputs is overloaded, the resistance and temperature of the polymer fuse increases (>100 ° C), and the LED goes outBy the heated fuse flows a small currentAfter the overload cause has ceased, the fuse automatically returns to its original state
In the device there is a voltage drop on polymer fuses depending on the current consumption: 160mV for I = 0.5A ; 300mV for I=0.7A ; 340mV for I=1A