For PoC, IF you have a PoC XVR then you only need the coax cable - you wouldn’t need to use the power part of your existing RG59 shotgun cable at all.
For PoC this cable termination video is how I learned to do it. But I bought ALL the tools. I would suggest buying the special RG59 cable stripper though.
https://youtu.be/5fqfveFq9ME
If you don’t want to buy the crimp tool then for screw-on connectors see this video where he also shows you how to split out the power cables on the shotgun cable (he calls it a Siamese cable) https://youtu.be/k6P_m7itbC0
Most videos don’t show connecting up the power because supposedly it’s ‘trivial’ to expose the conductors and either screw into a terminal or just twist them together (and wrapped in tape) onto a Pre-made tail.
Thanks for clarifying, so I'm looking on the https://www.cop-eu.com/ website and searching for Pco XVR it only shows me with Dahua XVRs... dont Hikvision make them - esp as I want the cameras you mentioned:
https://www.cop-eu.com/hdcvi-cameras-dvrs/cameras/DS-2CE12UF3T-E(2.8MM)
I will then purchase 2 cameras which I can have mic with and hopefully connect them to the same XVR.... which I hope will be possible