The connectors on many cctv systems can be problematic. On this small install I have upgraded the BNC connectors and added an enclosure to tidy things up.
A great computer upgrade is adding a second monitor and mounting both screens above your work-space. One of the goals of this project was to declutter the desk and install a modified keyboard and tidy the wiring.
Brand new install of 4 telephone lines. I’ve ran the new lines though a single Cat6 cable to a metal under desk distribution box.