# Computers doesnt see each other in localnet...

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#### kalach2002

##### Junior Member level 3
PLS help!!!

1. When I had 2 comps - there were no any problem, just one twisted pair.
2. No Ive got 4 comps & had to buy hub/switch, so when I connected RJ-45 with twistedPair and pluged it to Ethernet-card And to swith, the computers doesnt see each other & doesnt ping at all.

Whats the problem could be?

Maybe I connected RJ-45 with tw.p. incorrectly?

#### M!k

take care on the cables: for a direct connection it must be a cross-over-cable. But for a connection via hub it must be a 1:1-cable (not crossed). So you can't use the old cable anymore (except if connected to the uplink port - but that's too much for today ...)

Mik

#### kalach2002

##### Junior Member level 3
So I shoulnt cross pairs connected two 1&2 and 3&6 pins, yes?
Is there difference on choosing pairs of different color?

#### dainis

kalach2002 said:
So I shouln`t cross pairs connected two 1&2 and 3&6 pins, yes?
Is there difference on choosing pairs of different color?
One of standart:

and

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