You need to connect an analog camera. What is better for this to use a 4-core twisted pair or two 8-core twisted pair with a screen and rg45 barrel?

Question

Cables and wires

The distance is about 15 steps.
Camera rvi-e125b
And is it possible to put food on two free pairs for the camera?

Answer 1

For analog cameras there is an excellent cable - KVK, it provides power supply and video signal through separate cores (price from ~ 40 rubles / meter [depending on the region])
, so it's better to use it.

spoiler

Answer 2

If you really have a 4-core twisted pair cable, and not an alarm cable, then it doesn’t matter. Correctly, matching devices are needed at both ends, but for a short distance you can get by with simple BNC connectors for the terminal. Catering for a separate couple.