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03-30-2011 04:22 PM

Null modem cable; was Re (2): Serial Connection -- shielding
 
Abbass,

> I migth need to check the cables but I think it's the standard Null modem.

Yes, check the cable wiring with an ohmeter. All the hope in the
world won't help. As Stephen said,
> You need to find out
> *exactly* how your cross-over cable or null modem is wired. There may
> be some asymmetry in the wiring that causes the cable to behave differently
> in opposite directions. The wiring should be symmetrical ...

Symmetrical from end to end. Study this article, check the cable
with an ohmeter and sketch the wiring to be sure.
"http://en.wikipedia.org/wiki/Null_modem"

Regards, ... Peter E.



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