cat 5 cable/twisted pair

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 Question by chris bender posted 29 Jun 2000
 cat 5 cable/twisted pair
I am working on the cabling in our server room and am confused about the cat 5 cable issue. i use cat 5 to go from the patch panel to the switch (i'm using switches instead of hubs). the switch has to be cabled to the other switch that is cabled to the router. do i use the same type of cat 5 cable to go from the switch to switch, or do i need to use a twisted pair cable? thank you.
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 Answer by Dmitri Abaimov posted 30 Jun 2000
Dear Chris,

To decide whether to use crossover cord between
switches or not, you have to look at the switch (or its documentation).

If the device is equipped with so-called 'uplink' port, it means that it's crossed inside, so you need regular patch cord to connect to another switch. If there is no such a special port, use crossover cord.

And do not confuse crossover cord whith twisted pair cable. Crossover (as well as regular cord) is made of twisted copper pairs, but pairs 2 and 3 are crossed (see this page at our Website for pins layout).

With best regards,
Dmitri Abaimov, RCDD

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