serial ports
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[font=arial,helvetica] Hello everyone!
I am looking for binouts of PC ·(DB-9) an Mac ( mini DIN8M) serial ports. I
need ·one of these adapter cables and I could never find one. I figured out
that instead of using a whole bunch of adapters I could make one on my own.
Can somebody please help me?[/font]
I am looking for binouts of PC ·(DB-9) an Mac ( mini DIN8M) serial ports. I
need ·one of these adapter cables and I could never find one. I figured out
that instead of using a whole bunch of adapters I could make one on my own.
Can somebody please help me?[/font]
Comments
different standards (RS-232 and RS-422).
--
Greg
--- In basicstamps@y..., parkan197@a... wrote:
> Hello everyone!
> I am looking for binouts of PC (DB-9) an Mac ( mini DIN8M) serial
ports. I
> need one of these adapter cables and I could never find one. I
figured out
> that instead of using a whole bunch of adapters I could make one on
my own.
> Can somebody please help me?
Dennis
Original Message
From: parkan197@aol.com [noparse][[/noparse]mailto[noparse]:p[/noparse]arkan197@aol.com]
Sent: Tuesday, June 12, 2001 2:26 PM
To: basicstamps@yahoogroups.com
Subject: [noparse][[/noparse]basicstamps] serial ports
[font=arial,helvetica]Hello everyone!
I am looking for binouts of PC ·(DB-9) an Mac ( mini DIN8M) serial ports. I
need ·one of these adapter cables and I could never find one. I figured out
that instead of using a whole bunch of adapters I could make one on my own.
Can somebody please help me?
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[/font]
has an adapter they call "Printer cable", page 180
latest online catalog part #181382 $3.95, it has 8-pin
mini DIN male to DE9 female. They might be a good
source for parts if the pin outs are not correct.
--- gregory-wagner@u... wrote:
> See URL <http://ftp.sunet.se/hwb/> but be aware
> these are two
> different standards (RS-232 and RS-422).
> --
> Greg
>
> --- In basicstamps@y..., parkan197@a... wrote:
> > Hello everyone!
> > I am looking for binouts of PC (DB-9) an Mac (
> mini DIN8M) serial
> ports. I
> > need one of these adapter cables and I could
> never find one. I
> figured out
> > that instead of using a whole bunch of adapters I
> could make one on
> my own.
> > Can somebody please help me?
>
>
> To UNSUBSCRIBE, just send mail to:
> basicstamps-unsubscribe@yahoogroups.com
> from the same email address that you subscribed
> with. Text in the Subject and Body of the message
> will be ignored.
>
>
> Your use of Yahoo! Groups is subject to
> http://docs.yahoo.com/info/terms/
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their catalog.
Original Message
> I don't know about the pin outs but Jameco(jameco.com)
> has an adapter they call "Printer cable", page 180
> latest online catalog part #181382 $3.95, it has 8-pin
> mini DIN male to DE9 female. They might be a good
> source for parts if the pin outs are not correct.
only data transfer protocol?
--- In basicstamps@y..., gregory-wagner@u... wrote:
> See URL <http://ftp.sunet.se/hwb/> but be aware these are two
> different standards (RS-232 and RS-422).
> --
> Greg
>
> --- In basicstamps@y..., parkan197@a... wrote:
> > Hello everyone!
> > I am looking for binouts of PC (DB-9) an Mac ( mini DIN8M)
serial
> ports. I
> > need one of these adapter cables and I could never find one. I
> figured out
> > that instead of using a whole bunch of adapters I could make one
on
> my own.
> > Can somebody please help me?
push-pull from 0 to 5V. They only specify the electrical operation. Data
protocol can be what ever you want though usually 7 or 8 bit ASCII with a
Start bit and Stop pause.
>
> What is the difference between RS-232 and RS-422? Is it voltage or
> only data transfer protocol?
although if I recall correctly, you are off with
voltages. I recommend B&B Electronics RS-422/485
Application Note at
http://www.bb-elec.com/tech_articles/rs422_485_app_note/table_of_contents.asp.
RS-422 is differential - instead of one each RXD and
TXD referenced to GND, 422 uses a positive and
negative of each transmit and receive (+7 VDC and -7
VDC, I think), so to convert to EIA/TIA-232c you must
combine the transmit signals together and the receive
signals together, and adjust the voltage; also,
possibly, handle handshaking, though not in the
Stamp's context.
B&B has some converters, I think some under $30, some
between $50 and $120. Black Box also has some, in a
slightly wider price range.
Bob Pence
--- Mike DeMetz <miked@t...> wrote:
> RS-232 is single ended, with a plus and minus
> voltage swing. RS-422 is
> push-pull from 0 to 5V. They only specify the
> electrical operation. Data
> protocol can be what ever you want though usually 7
> or 8 bit ASCII with a
> Start bit and Stop pause.
>
> >
> > What is the difference between RS-232 and RS-422?
> Is it voltage or
> > only data transfer protocol?
>
>
>
> To UNSUBSCRIBE, just send mail to:
> basicstamps-unsubscribe@yahoogroups.com
> from the same email address that you subscribed
> with. Text in the Subject and Body of the message
> will be ignored.
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>
> Your use of Yahoo! Groups is subject to
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