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'RS232 standard/non-standard handshaking Re: [EE'
2002\07\19@231645 by Dmitriy A. Kiryashov

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Hi Olin and guys.

Can you recommend paperwork for RS232 handshaking ?
Mostly things I found in the net just describing how to wire
different connectors to each other. TIA232 specs saying alot
about timing, voltage, propagation delays,etc.. but nothing
about different schemes of handshaking used.

I'm looking for different ways to control CTS/RTS/DCD/DSR/etc
signals to communicate with standard/non-standard equipment.
Is there any book of paper in internet I can find to read?

Probably it can be found inside some serial FIFO chip specs.

Any ideas very welcome.


WBR Dmitry.


Olin Lathrop wrote:
{Quote hidden}

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2002\07\20@114800 by Dennis Crawley

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Dimitry:
>Hi Olin and guys.
>Can you recommend paperwork for RS232 handshaking ?
....
>I'm looking for different ways to control CTS/RTS/DCD/DSR/etc
>signals to communicate with standard/non-standard equipment.
>Is there any book of paper in internet I can find to read?

>Probably it can be found inside some serial FIFO chip specs.

Try to find in:
http://www.cmlmicro.co.uk/products/wireless_data/CMX469A.htm

all documentation related to 16F877 RS232 link to P.C. and SPI interface to CMX6x4.
ef624010.asm!!!

Regards.

Dennis Crawley
Argentina.

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2002\07\20@142510 by Herbert Graf

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> Can you recommend paperwork for RS232 handshaking ?
> Mostly things I found in the net just describing how to wire
> different connectors to each other. TIA232 specs saying alot
> about timing, voltage, propagation delays,etc.. but nothing
> about different schemes of handshaking used.
>
> I'm looking for different ways to control CTS/RTS/DCD/DSR/etc
> signals to communicate with standard/non-standard equipment.
> Is there any book of paper in internet I can find to read?
>
> Probably it can be found inside some serial FIFO chip specs.
>
> Any ideas very welcome.

       That would be because the RS232 standard is purely a physical standard,
issues like handshaking and protocol are up to you. The control of these
signals depends on the hardware you are using. TTYL

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2002\07\20@181313 by Dmitriy A. Kiryashov

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Any hints about names/numbers for those side related protocols ?

For example full host-modem handshake utilizing hardware
CTS/RTS/DCD/DSR/etc wires.

Where can I find an info/examples with explanation how it's working?
Exactly scheme of handshaking itself not description of RS232 features.

WBR Dmitry.


Herbert Graf wrote:
>
>         That would be because the RS232 standard is purely a physical
> standard, issues like handshaking and protocol are up to you.
> The control of these signals depends on the hardware you are using.
> TTYL

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2002\07\20@181716 by Dmitriy A. Kiryashov

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Looks like this link is dead.

WBR Dmitry.


Dennis Crawley wrote:
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2002\07\21@012834 by Mike Singer

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Dmitriy A. Kiryashov wrote:
>
> Any hints about names/numbers for those side related protocols ?
>
> For example full host-modem handshake utilizing hardware
> CTS/RTS/DCD/DSR/etc wires.
>
> Where can I find an info/examples with explanation how it's working?
> Exactly scheme of handshaking itself not description of RS232
> features.

  Any modem with full line of LEDs on front panel
has doc with short description of all these DTR,DSR etc.
  Have look at your modem.
  There is a book in russian "Modems. User guide."
by Lagutenko 1997. Really fine book.

  Mike.

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