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 >
