I'm runing cat5e with baluns, but no more than 120ft of cables, and power is shared from one 12V 5A PSU.
When 2 or more cameras, on the individual power supply, there's no picture scrolling bars and other interferences.. what to do?
You mentioned"Power is shared from one 12V5A PSU"
Then ,saying"When 2 or more cameras, on the individual power supply, there's no picture scrolling bars and other interferences."
What kind of power supply are you using actually?