utp cable colors

[agentLX]

im trying to set up a 10/100baseT network, and i'll be using a switch and utp cable.

the utp cable have orange pair, green pair, blue pair, brown pair wires. What is the correct order of the color?

When do uplink ports should be used?
When do i use cross cabling?

Thanx for the response.

[Variable]

orangewhite, orange, greenwhite,blue, bluewhite, green, brownwhite, brown.

use uplink if your going from switch to switch or hub to hub.
Crossover from pc to pc or switch to switch

http://www.duxcw.com/faq/network/uplink.htm.

[agentLX]

thanx Variable!
just another one, what signals do each of these twisted pairs carry (i.e. recieve, send ????)

and is
orangewhite, orange, greenwhite,blue, bluewhite, green, brownwhite, brown
the standard order???

would it be different if somebody will use another combination

thanx

[Variable]

1 and 2 transmit 3 and 6 receive for a straight through cable.
Swap them for a crossover cable.

[agentLX]

is
orangewhite, orange, greenwhite,blue, bluewhite, green, brownwhite, brown
the standard order???

would it be different if somebody will use another combination

[PrntRhd]

would it be different if somebody will use another combination
The cables and the wiring order come directly from the AT&T phone system standards, these were standard issue switch cables that were adapted for use by the TCP/IP engineers.

[agentLX]

ok thanx for the info PRNTRHD

if 1 and 2 transmit 3 and 6 receive for a straight through cable. - thanx VARIABLE

how about the other wires 4 5 7 8 what do they carry.

[Variable]

They don't carry anything. They are unused.