I suggest you can go for Cat6 cables for this requirement. The other query which you have asked is putting 48 port switch for 6 floors.... Just keep the distance in mind to finalize it. Because UTP cables coverage is limited. It will not work when the distance is long. Cat 6 covers only up to 100 Mts. You should not consider only the height of the building also you consider the distance from IO port to Wall terminator --> Wire Closet which will have lots of up's and downs which leads a more distant...
You can keep 4 No's of 24 port switches and cover the 12 floors.... as far as i suggest.... Say in floors 1 4 7 10 which will cover 1 floor down and 1 floor up....
MM fiber for cascading the switches.... eventhough you can do it through UTP... But fober is the best option
It is the complete cumulative length. The only case in which the length can be extended is when an active component (like a switch or repeater) is installed.
Patchpanels are non-active components, so they do not influence the cable length in a positive way (but might in a negative way, depending on the quality of the installation).
So to calculate the cable length you should consider:
- Cable from switch to patchpanel
- Cable from patchpanel to walloutlet
- Cable from walloutlet to system
Beware that in many cases the cabling used is longer than necessary, you often see this in wiring closets where cables of 3m are used when 30cm would have been enough. So to be sure you could better go for a safer cable length like 80m, in which case you'll have about 20 meters of slack.
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