When to use crossover cable

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28 Oct 2003
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in what situations would you use a crossover cable, i know you use one for comp to comp communications... but what else?
 
You would also use one to connect together two switches if they don't support automatic cable sensing and/or if they don't have uplink ports.
 
ignoring auto MDI/MDI-X ports the correct usages would be any 'end' device such as a pc, router, modem and printer require a crossover cable to connect to each other. A straight through cable is used when connecting one of the above to a switch. Although switch to switch connections use crossover cables also. so..

Pc/router/modem/printer -> Pc/router/modem/printer = crossover
switch -> switch = crossover
Pc/router/modem/printer -> switch = straight through
 
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