it's called a crossover cable. google it you'll see what i mean.
by sitching the wires on one end....the xmit wire on first device now goes to the receive wire on the other device... etc.
/e
See, here is the normal pin out for an ethernet cable...

...and here is a crossover cable pin out. Notice how the ends are reversed. All the xmits on one end, now go to the rcv's on the other end and visa versa.
This post was edited by Ghot on Oct 18 2017 06:24pm