Sam Ismail wrote:
>
> On Sat, 23 May 1998, Charles A Davis wrote:
>
> > RS-232, was a well accepted 'Standard'. Any time that you saw a piece of
> > equipment with a DB-25 connector on it, it was almost certainly a RS-232
> > connection. Then along comes 'Big Brother' (IBM) wanting to save a few
> > pennies on 'printer connectors' (The Amphenol must have been _way_ more
> > expensieve. But all the printer manufacturers still seem to be able to
> > be able to afford it.)
> >
> > DB-25's that might be either a serial port, or maybe a parallel port, or
> > maybe something else.
>
> It's simple:
>
> DB-25 male: serial port
>
> DB-25 female: parallel port
>
> Sam Alternate e-mail: dastar_at_siconic.com
>
Yup!!! Does sound simple --- EXCEPT RS-232 uses BOTH the male and
female plugs. One for each of the TWO types of RS-232 euipment. You only
needed to stock M/F (extension type) cables to be able to hook up
anything. M/M and F/F were 'Null Modem' cables.
Chuck
--
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He, who will not reason, is a bigot; William Drumond,
he, who cannot, is a fool; Scottish writer
and he, who dares not, is a slave. (1585-1649)
While he that does, is a free man! Joseph P. 1955-
-----------------------------------------------------------
Chuck Davis / Sutherlin Industries FAX # (804) 799-0940
1973 Reeves Mill Road E-Mail -- cad_at_gamewood.net
Sutherlin, Virginia 24594 Voice # (804) 799-5803
Received on Sat May 23 1998 - 06:55:05 BST