Serial Terminal cables

[Entelin]

yeah sorry thats what I ment nine pin. Thanks :)

On Mon, 2002-11-11 at 03:41, Vaughn Treude wrote:
> On Saturday 09 November 2002 23:13, you wrote:
> > I have two old terminals with 2 25 pin connecters on the back, Port A
> > and B. Unfortunately I have no cables or adapters with these and so I am
> > trying to make a 25pin to cat5 to 8pin with two of those unassembled
> > connecters you can get from frys ammong other things. My main problem is
> > that I simply cant find what the pinouts are supposed to be for this
> > terminal, I cant even find the company who made them online. Its a Falco
> > Data Products INC. F5000 series serial terminal. So do these things have
> > any kind of standard or anything ? or some way I could hack it together?
> >
> > Thanks
> >
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> I notice you say "eight pin."  Are you trying to connect the 25-pin terminals 
> to a standard PC-type nine-pin serial connector?  If so, this would be the 
> pinout:
> 
> 25-pin		9-pin
> 1 - chassis ground	Shell, if it has one
> 2 - transmit data	3
> 3 - receive data	2
> 4 - request to send	7
> 5 - clear to send	8
> 6 - data set ready	6
> 7 - signal ground	5
> 8 - carrier detect	1
> 20- data term. rdy	4
> 22 - ring indicator	9
> 
> Of these signals, "ring indicator" is probably the best candidate for 
> omission, since it's obviously a telephone thing.  And of course if your 
> cable has no shield you don't have to worry about chassis ground.
> 
> These pinouts were taken from an ancient copy of "The Programmer's PC 
> Sourcebook" by Microsoft Press, though I'm sure this info is available via a 
> google search, if you just know the right terms.  (Like RS232, 9-to-25 pin, 
> etc.)
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