AMP and Amphenol were different companies, officially.

--
Will

On Sat, Feb 1, 2025 at 2:40 PM Nigel Johnson Ham via cctalk
<cctalk@classiccmp.org> wrote:
>
> On 2025-02-01 13:25, Frank Leonhardt via cctalk wrote:
> > On 01/02/2025 17:33, Chuck Guzis via cctalk wrote:
> >> Another pet gripe of mine is calling the old 50-way SCSI/etc. connector
> >> a "Centronics" connector,regardless of application or number of
> >> connections.
> >>
> >> I prefer to refer to them as "blue ribbon" connectors, developed by
> >> Amphenol in 1950 and used extensively in commercial telephone systems
> >> long before Centronics or SCSI.
> >
> > I've always called them Amphenol connectors, although strictly
> > speaking Amphenol made more than one design.
> >
> > My #1 annoyances are IT types referring non-volatile RAM as CMOS and
> > motherboard configuration utilities as a BIOS.
> >
> >
> Actually, in 1971 they were originally marked A-MP, which stood for
> Aero-MarineProducts.
>
> And as far as the statement that Epson standarised the Centronics
> connector goes, I say 'hogwash' - it was being used by Centronics many
> years before Epson came on to the market.  I was servicing teh
> Centronics 101, 103 and 306 back in 1975, including making cables to
> hook them up to PDP11s.  I still remeember the connector part nuer, it
> was 57-10360 - the 36 meaning 36 pins, which is why I said there was
> never a 50-pin Centronics connector.  Centronics printers did sometimes
> ship with another parallel interface, it was Dataproducts printer comp
> and had a Winchester-style connector I believe, but I never worked on one.
>
> And yes, the 50-pin version was called a blue-ribbon, I saw enough of
> those while working for Bell!  Common on key sets in small businesses!
>
> cheers
>
> Nigel
>
>
> --
> Nigel Johnson, MSc., MIEEE, MCSE VE3ID/G4AJQ/VA3MCU
> Amateur Radio, the origin of the open-source concept!
> Skype:  TILBURY2591
>

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