[Tfug] Harmless musing

erich erich1 at copper.net
Wed Nov 21 23:21:33 MST 2007


See:
                     
                                  http://en.wikipedia.org/wiki/TIA/EIA-568-B

       It explains that RJ45 is actually a misnomer.

                                                                                           
Erich


Bexley Hall wrote:

>Hi,
>
>After playing musical chairs with the CAT5 cables
>on my switch, I wondered (again) why there is any
>need for a "crossover" cable.
>
>I.e., *if* EVERY RJ45 was wired the same, then
>*every* cable would be a crossover cable, right?
>
>E.g., connect two computers together (point-to-point)
>with a crossover cable.
>
>E.g., connect a computer to a hub/switch (wired to
>LOOK like a "computer") with a crossover cable.
>
>So, what "little detail" am I missing that explains
>why The Powers That Be opted to wire hubs/switches
>one way and "computers" another?
>
>--don
>
>(BTW, Happy Turkey Day)
>
>
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