serial and crossover cable difference

[ckarthickjava]

what is the difference between
1) 2 routers connected using cross-over cable
and
2) 2 routers connected using serial cable

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also what is the difference between serial cable(DCE) and serial cable(DTE)

i know that DCE is for up[link and DTE is for downlink......

but how the other router will be able to communicate back if it has a DTE end
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do serial ports (on a router) for DCE and DTE are different or it is the canle ends that make the difference?

[anurag007]

http://cfs12.tistory.com/image/15/tistory/2009/02/03/20/36/49882c4084062

[anurag007]

Dce side wil give clock rate to DTE end router
example
int s0/0
clock rate 64000


and u can check which end is dte and which is dce by

sh controller s0/0

[ckarthickjava]

the explanation which u gave was clear..............
thanks a lot........

and what about the difference between two routers connected with serial cables / cross-over cables.........