How to connect two twisted pairs of an analog camera?

Question

Cables and wires

The analog camera is connected to the recorder via utp5e using baluns. If you cut a twisted pair somewhere at half the length, is it possible to connect it through a conventional terminal pair without interference?

Answer 1

I understand that you must first cut the cable, then restore the cut. A twisted pair is insensitive to external interference due to its symmetry: the pickup on one of its wires is compensated by exactly the same pickup on the other, the current through which flows in the opposite direction.
Therefore, if you want to maintain noise immunity at the junction, then you must preserve the symmetry of the twist of the pair in this place. This means that it is undesirable to unwind and connect with screw terminals. It seems to me that it would be more correct to compress an ordinary RJ45 chip at one end, and the corresponding "mother" at the opposite end, and dock them. Even better - carefully solder the wires overlay, put thin heat-shrink tubing on the junctions, and then re-twist the sections of the junctions while maintaining the pitch and density of the twist, then no signal (even analog) will notice the inhomogeneity of the line.