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each point is wired as a single radial from the patch panel. each run must be less than 100m
The way networks use to work is A to A when going from Router to Computer A to B from Router to Router or computer to computer.they have 2 colour codes on the back, A and B. British use B
One other thing thats not been mentioned for smaller networks .You can do without a patch panel and just use the same jack at both ends .then use a small cat5 lead to go from the jack to the port on the router or switch whichever the case may be.
Many many small shops and offices are done this way .
72-van