[nycbug-talk] null modem vendor...

alex at pilosoft.com alex
Fri Aug 27 13:04:17 EDT 2004

On Fri, 27 Aug 2004, Dave Steinberg wrote:

> > You can make whatever you need quite cheaply with this stuff:
> >
> > http://www.national-tech.com/catalog/modularadaptors.htm
> >
> > Great source if you're building a console server. :)
> Cheap, sure... but its so hard!  Assuming I've done my homework and I 
> know the pinouts on both sides, how do I map the cable colors to pin 
> locations?  I certainly can't see inside that little hood that encloses 
> the rj-45 adapter.  :-/
Just do it once to determine color-rj45 pin mapping. Or sometimes there's
a piece of paper that lists it.
> Any way I might be able to build a cable tester for this sort of thing? 
>   If the tester was $200, I'd still think it a bargain in the long run.
> Thanks for the resources so far!

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